3Com Router 3000 DSL Series, Command Reference Manual

Page 1: ...http www 3com com 3Com Router Command Reference Guide 3Com Router 3000 DSL Family 3Com Router 5000 Family 3Com Router 6000 Family Part No 10014369 Published June 2004 ...

Page 2: ...t 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFAR...

Page 3: ...ands 134 SSH Configuration Commands 136 3 INTERFACE MANAGEMENT COMMANDS Interface Management Commands 149 Fundamental Ethernet Interface Configuration Commands 154 Fundamental WAN Interface Configuration Commands 158 Fundamental CE1 PRI Interface Configuration Commands 165 Fundamental CT1 PRI Interface Configuration Commands 172 E1 F Interface Configuration Commands 178 T1 F Interface Configuratio...

Page 4: ... Commands 350 5 NETWORK PROTOCOL IP Address Configuration Commands 397 ARP Configuration Commands 401 Static Domain Name Resolution 404 DHCP Public Configuration Commands 405 DHCP Server Configuration Commands 408 DHCP Client Configuration Commands 433 DHCP Relay Configuration Commands 436 IP Performance Configuration Commands 440 NAT Configuration Commands 460 IP Unicast Policy Routing Configurat...

Page 5: ...ion Commands 740 Multicast Static Route Configuration Commands 753 8 MPLS BASIC CONFIGURATION COMMANDS Basic Configuration Commands 759 LDP Configuration Commands 769 BGP MPLS VPN Configuration Commands 780 MPLS L2VPN CCC Configuration Commands 802 SVC MPLS L2VPN Configuration Commands 807 Martini MPLS L2VPN Configuration Commands 808 Kompella MPLS L2VPN Configuration Commands 809 MPLS TE Configur...

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Page 7: ...entions that are used throughout this guide Table 1 Notice Icons Table 2 Text Conventions Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or potential damage to an application system or device Warning Information that alerts you to potential personal injury Convention Descripti...

Page 8: ...ns the latest information about your product If information in this guide differs from information in the release notes use the information in the Release Notes These documents are available in Adobe Acrobat Reader Portable Document Format PDF on the CD ROM that accompanies your router or on the 3Com World Wide Web site http www 3com com Words in italics Italics are used to Emphasize a point Denot...

Page 9: ... privilege display clipboard display clock display history command display version header3Com hotkey language mode lock quit Reboot return super super password sysname system view Basic Configuration Commands Clock Summer Times Syntax clock summer time zone_name absolute recurring HH MM SS YYYY MM DD HH MM SS YYYY MM DD HH MM SS undo clock summer time View User view ...

Page 10: ... zone and summer time has been made For related command see clock timezone Example Add one hour to the clock for the summer time z2 that starts at 06 00 00 on 2002 06 08 and ends at 06 00 00 on 2002 09 01 3Com clock summer time z2 absolute 06 00 00 2002 06 08 06 00 00 2002 09 01 01 00 00 Add one hour to the clock each year starting from 2002 for the summer time z2 that starts at 06 00 00 on 08 06 ...

Page 11: ...imezone to the default UTC timezone After the configuration takes effect you can view it by executing the display clock command The time applied to the log and debug information has been adjusted according to the involved timezone and summer time For related command see clock summer time Example Set the local timezone name to Z5 and set Z5 to be five hours faster than UTC time 3Com clock timezone ...

Page 12: ... manage that are identified with 0 to 3 The administrator can grant certain rights to a user on its demand so that the user can operate in the related view When the user logging in the system can set the command operation rights for it either according to the rights corresponding to the user name or based on the rights of the user interface If the two sets of rights conflict the minimum rights wil...

Page 13: ...e Display the current time 3Com display clock 19 22 03 UTC Sat 2054 03 07 display history command Syntax display history command View Any view Parameter None Description Using the display history command command you can browse the history commands The terminal will automatically save the history commands typed by the user that is completely record the user s input via keyboard separated by Enter F...

Page 14: ... 3Com R1760 router 3Com display version 3Com Versatile Routing Platform Software VRP tm software Version 3 30 Copyright c 2000 2002 3Com Corporation 3Com Serial Router R1760 System has kept running 0weeks 0days 0hours 15minutes CPU type Powerpc8241 166Mhz 64M bytes SDRAM 8M bytes Flash Memory Pcb Version 001 Logic Version 001 BootROM Version 0 0 Slot0 WAN pcb 001 software 000 logic 001 header3Com ...

Page 15: ...nteractive process automatically If you do not want to start the interactive process make sure that the first and last characters of the text are the same English character and press Enter directly Example Configure a session creation title 3Com header shell Enter TEXT message End with the character SHELL Hello Welcome use 3Com R1760 Test the configuration 3Com quit 3Com quit Press RETURN to get s...

Page 16: ...e CTRL_O undo debug all CTRL_T display tcp status Undefined hotkeys Hotkeys Command CTRL_U NULL System hotkeys Hotkeys Function CTRL_A Move the cursor to the beginning of the current line CTRL_B Move the cursor one character left CTRL_C Stop current command function CTRL_D Erase current character CTRL_E Move the cursor to the end of the current line CTRL_F Move the cursor one character right CTRL_...

Page 17: ... mode 3Com language mode chinese Change language mode confirm Y N y Switch to Chinese mode lock Syntax lock View User view Parameter None Description Using the lock command you can lock the active user interface to prevent unauthorized user from operating the interface A user interface includes CON port AUX port and VTY etc After inputting the lock command the user is prompted to enter the screens...

Page 18: ...stem view with user level as 3 Configuration view routing protocol view interface view VPDN group view etc For the related command see return Example Switch from Ethernet1 0 0 interface view to system view and then to user view 3Com Ethernet1 0 0 quit 3Com quit 3Com Reboot Syntax reboot View User view Parameter None Description Using the reboot command you can reboot the device This command produc...

Page 19: ...y other views The combination key Ctrl Z performs the same function as the return command For the related command see quit Example Return to user view from system view 3Com return 3Com super Syntax super level View User view Parameter Level User level ranging from 0 to 3 Description Using the super command you can switch from current user level to a specified level User level refers to the class o...

Page 20: ... management commands level setting commands system internal parameter setting commands not being provided in protocols or RFC documentation etc To prevent unauthorized users from intruding the system you must pass the authentication when you are trying to switch from current user to a higher level user This means that you must enter the password of the higher level user if the super password level...

Page 21: ...y default simple text password is adopted Example Execute the following command in system view 3Com super password level 3 simple zbr sysname Syntax sysname sysname View System view Parameter sysname Name of the router It is a character string containing 1 to 30 characters Description Using the sysname command you can set the name of a router By default a router is named 3Com Modification to a rou...

Page 22: ...ATION COMMANDS Description Using the system view command you can enter system view from current user view For the related command see quit return Example 3Com system view Enter system view return user view with Ctrl Z 3Com ...

Page 23: ...disables all the debugging switches The router system provides a variety of debugging functions mainly for the support technicians and senior maintenance engineers to perform network fault diagnosis Enabling debugging will generate a large amount of debugging information that can result in decrease in system efficiency This is especially the case when the command debugging all is executed to enabl...

Page 24: ...ches By default no parameters have been defined and all the enabled debugging switches are displayed For related command see debugging Example Display all the enabled debugging switches 3Com display debugging IP packet debugging switch is on display diagnostic information Syntax display diagnostic information View Any view Parameter None Description Using the display diagnostic information command...

Page 25: ...led Mar 24 2003 20 28 31 by zhaomin display running config sysname 3Com display history commands display diagnostic information display tasks ID Name Priority Status CPU Time 1 WEIL 10 Ready 10 20 2 SYST 180 Ready 0 7 3 XMON 140 Event Sem 0 0 4 VMON 140 Event Sem 41 41 5 INFO 100 Event Sem 1 6 6 co0 100 Ready 0 3178 7 LDP 100 Event Sem 1 299 8 LAGT 100 Queue Sem 0 1 9 Clon 100 Event Sem 0 0 10 ROU...

Page 26: ...Interface The Maximum Transmit Unit is 1500 Internet protocol processing disabled AAL enabled AAL5 Maximum VCs 32 Current VCs 0 0 on main interface 5 minutes input rate 0 00 bytes sec 0 00 packets sec 5 minutes output rate 0 00 bytes sec 0 00 packets sec 0 packets input 0 bytes 0 packets output 0 bytes 0 input errors 0 CRCs 0 giants 0 pads 0 aborts 0 overflows 0 output errors 0 underflows 0 overfl...

Page 27: ... of TTL_value which is ranging from 1 to 255 i Sets the interface for sending ICMP ECHO REQUEST packets interface type Interface type interface number Interface number n Directly uses the host parameter as IP address without domain name resolution p pattern The filling byte of ICMP ECHO REQUEST packet in hexadecimal format with the value ranging from 0 to FFFFFFFF For example if the parameter is s...

Page 28: ...The timeout time waiting for an ECHO RESPONSE packet is 2000ms The ICMP packets other than ECHO RESPONSE packets are not displayed The parameter vpn instance is not defined Following is the process of executing the ping command A host sends an ICMP ECHO REQUEST to a destination If the connection to the destination network is working normally the destination host will be able to receive the ICMP EC...

Page 29: ...ms Reply from 202 38 160 244 bytes 56 sequence 5 ttl 255 time 2ms 202 38 160 244 ping statistics 5 packets transmitted 5 packets received 0 packet loss round trip min avg max 1 2 3 ms reboot Syntax reboot View User view Parameter None Description Using the reboot command you can reboot the device This command produces the same effect as the power is turned off and then on but provides the user wit...

Page 30: ...ctness of the q switch with nqueries specifying the number of the query packets sent each time It can be any integer larger than 0 vpn instance vpn instance name Sets the vpn instance name of MPLS VPN to specify the VPN attribute configured in this tracert command that is name of the associated vpn instance created at the local w timeout Tests the correctness of the w switch with timeout specifyin...

Page 31: ...destination If some GW times out will be output Example 3Com tracert 18 26 0 115 tracert to allspice lcs mit edu 18 26 0 115 30 hops max 1 helios ee lbl gov 128 3 112 1 0 ms 0 ms 0 ms 2 lilac dmc Berkeley EDU 128 32 216 1 19 ms 19 ms 19 ms 3 lilac dmc Berkeley EDU 128 32 216 1 39 ms 19 ms 19 ms 4 ccngw ner cc Berkeley EDU 128 32 136 23 19 ms 39 ms 39 ms 5 ccn nerif22 Berkeley EDU 128 32 168 22 20 ...

Page 32: ...EVEL ENABLE DEBUG LEVEL ffff0000 all Y warning Y debugging Y debugging display info center Syntax display info center View Any view Parameter None Description Using the display info center command you can display all the information recorded in the info center For related commands see info center enable info center loghost info center logbuffer info center trapbuffer info center console channel an...

Page 33: ...gbuffer Syntax display logbuffer size size value summary level level number begin include exclude string View Any view Parameter size Displays the number of information entries in the logbuffer size value The number of displayed information entries summary A summary of the logbuffer level Displays only the count of information entries at a specified level level number The specified level in the ra...

Page 34: ...ges 0 current messages 96 8 28 2101 5 34 48 IC 7 SYS_RESTART System restarted 3Com Versatile Routing Platform Software Copyright c 2000 2002 by VRP Team Beijing Institute 3Com Tech Inc 9 9 2002 15 50 36 SHELL 5 CMD task CFM ip user command interface Ethernet 11 6 2002 22 18 52 SHELL 5 CMD task CFM ip user command interface Aux0 3 15 2003 15 50 36 SHELL 5 CMD task CFM ip user command controller E1 ...

Page 35: ...fer 3Com display trapbuffer size 23 Trapping Buffer Confiuration and contents enabled allowed max buffer size 1024 actual buffer size 256 channel number 3 channel name trapbuf dropped messages 0 overwrote messages 0 current messages 0 info center channel Syntax info center channel channel number name channel name undo info center channel channel number View System view Parameter channel number The...

Page 36: ...nsole channel command you can enable outputting information to the console and set the information output channel Using the undo info center console channel command you can disable the current settings By default no logging information is output to the console This command will not become valid unless the syslog function has been enabled For related commands see info center enable and display info...

Page 37: ... center logbuffer channel channel number channel name size buffersize undo info center logbuffer channel size View System view Parameter channel Sets the channel for information output to the logbuffer channel number Channel number ranging 0 to 9 That is the system has 10 channels channel name Channel name size Sets logbuffer size buffersize Size of the logbuffer the accommodated message entries D...

Page 38: ...ost channel Information channel for the loghost channel number Channel number ranging 0 to 9 That is the system has 10 channels channel name Channel name facility Sets the recording tool of the loghost local number Recording tool of the loghost which is ranging local0 to local7 language Sets the logging language chinese and english Logging language which can be Chinese or English Description Using...

Page 39: ... info center loghost source command is used to specify the source address for sending packets to the logging host while the undo inforcenter loghost source command is used to cancel the current configuration undo info center loghost source is for the canceling of the current configuration When a logging message is sent out from a router the default source address is the IP address of the interface...

Page 40: ...he undo info center monitor channel command you can cancel the current configuration By default no information is output to the user terminal Only when the info center has been enabled can this command become effective For related commands see info center enable and display info center Example Enable the router to output information to the user terminal and set the output channel 3Com info center ...

Page 41: ...erity undo info center source module name default channel channel number channel name View System view Parameter module name Module name default Sets the default information record channel number Information channel number to be set channel name Information channel name to be set log Log information trap Alarm information debug Debugging information on Enables outputting information off Disables o...

Page 42: ...tion They are Output directionInformation channel number Default information channel name Console 0 console Monitor terminal1 monitor Loghost 2 loghost Trapbuffer 3 trapbuffer Logbuffer 4 logbuffer snmp 5snmpagent In addition each information channel has a default record for which the module name and number are default and 0xffff0000 But for different channels the record may have different default...

Page 43: ...at the system experiences It is in the format of xxxxxx yyyyyy with xxxxxx being the 32 high bits and yyyyyy the 32 low bits of the passed milliseconds date Current system date and time in the form of yyyy mm dd hh mm ss in Chinese and mm dd yyyy hh mm ss in English none No time stamp Description Using the info center timestamp command you can set the time stamp format for the output debugging tra...

Page 44: ...info center trapbuffer command you can cancel the current configuration By default information output to trapbuffer is allowed and the trapbuffer size is 256 Only when the info center has been enabled can this command become effective By setting a trapbuffer size you can make the router output information to the trapbuffer For related commands see info center enable display info center and display...

Page 45: ...ffer service modem callback Syntax service modem callback undo service modem callback View System view Parameter None Description Using the service modem callback command you can enable user callback Using the undo service modem callback command you can disable user callback By default the callback function is disabled Example Enable the callback function 3Com service modem callback terminal debug...

Page 46: ...nable terminals to display the debugging information 3Com terminal debugging terminal logging Syntax terminal logging undo terminal logging View User view Parameter None Description Using the terminal logging command you can enable the log display function of terminals Using the undo terminal logging command you can disable log display function of terminals By default the log display function of t...

Page 47: ... undo terminal trapping commands that is all the debugging logging trapping information will not be displayed at the current terminal In the event that terminal monitor has been enabled the terminal debugging undo terminal debugging terminal logging undo terminal logging and terminal trapping undo terminal trapping commands can be used to enable disable the debugging logging trapping information E...

Page 48: ... can specify the system booting file Example Specify the file ibox bin stored in the flash as the default system booting file 3Com boot bootldr flash ibox bin display alarm urgent Syntax display alarm urgent time slot id View Any view Parameter time Displays the alarms in a latest time range id Displays the alarms of an ID slot Displays the alarms involved a slot Description Using the display alar...

Page 49: ...ng the display bootvar command you can display file name of the boot software package stored in the flash on RPU Example Display the program configuration information of RPU 3Com display bootvar Boot file on flash is flash ibox bin display environment Syntax display environment View Any view Parameter None Description Using the display environment command you can display the current values and the...

Page 50: ... card power module and fan module the operating state of interface card power module and fan module as well as the offline information of MPU and NPU Executing the command defined without parameters will display the essential information of all the devices in position Executing the command defined with the parameter slot number will display only the details on the defined slot including reset time...

Page 51: ...s remove slot Syntax remove slot slotnum undo remove slot slotnum View User view Parameter slotnum Slot number for the interface card Description Using the remove slot command you can run pre processing before removing an interface card You can also cancel a misoperation with the undo remove slot command if you change your mind to remove the card after executing the remove slot command The undo re...

Page 52: ...t Description Using the reset slot command you can reset the device in a specified slot Example Reset the device in slot 3 3Com reset slot 3 schedule reboot at Syntax schedule reboot at hh mm yyyy mm dd View User view Parameter hh mm Reboot time of the router in the format of hour minute The hh ranges from 0 to 23 and the mm ranges from 0 to 59 yyyy mm dd Reboot date of the router in the format of...

Page 53: ...after the command is configured the system will prompt you to input confirmation information Only after the Y or the y is entered can the configuration be valid If there is related configuration before it will be covered directly Moreover after the schedule reboot at command is configured and the system time is adjusted by the clock command the former configured schedule reboot at parameter will g...

Page 54: ...on before it will be covered directly Moreover after the schedule reboot at command is configured and the system time is adjusted by the clock command the original schedule reboot at parameter will become invalid For the related command see reboot schedule reboot at undo schedule reboot display schedule reboot Example Configure the router to be restarted after 88 minutes the current time is 21 32 ...

Page 55: ...f the schedule reboot terminal service For the related command see reboot schedule reboot at schedule reboot delay display schedule reboot Example Cancel the timing reboot router function 3Com undo schedule reboot File Management Commands File System Commands Syntax cd directory View User view Parameter directory Name of destination directory Description Using the cd command you can modify the cur...

Page 56: ...ove them from the recycle bin you must use the clear command Example Clear the recycle bin 3Com clear flash p1h_logic out clear flash plh_logic out Y N copy Syntax copy filename_source filename_dest View User view Parameter filename_source Name of the source file filename_dest Name of the destination file or directory Description Using the copy command you can copy a file If the name of the destin...

Page 57: ...flash backup vrpcfg txt Y N y Copied file flash vrpcfg txt to flash backup vrpcfg txt 3Com dir Directory of flash backup rwxrwxrwx 1 noone nogroup 625 Jan 02 2001 13 28 32 vrpcfg txt 7672832 bytes total 2295808 bytes free delete Syntax delete unreserved filename View User view Parameter unreserved Deletes the specified file unreservedly and the deleted file can never be restored filename Name of t...

Page 58: ...uter filename Name of the file or directory displayed Description Using the dir command you can display the information about the specified file or directory in the router storage device By default this command displays the file information under the current directory This command supports wildcard The dir all command can be used to display the information about all the files including the deleted...

Page 59: ...ould be no invisible character in the batch file If invisible characters are found the batch command will quit the current execution without back off operation The batch command does not guarantee the execution of each command nor does it perform hot backup itself The forms and contents of the commands are not restricted in the batch file Example Execute the batch file test bat in the directory of...

Page 60: ...t mode of file operation to quiet 3Com file prompt quiet Set the prompt mode of file operation to alert 3Com file prompt alert format Syntax format device name View User view Parameter device name Device name Description Using the format command you can format the storage device Formatting will result in loss of all files on a specified storage device and these files cannot be restored Example For...

Page 61: ...mand you can display content of a specified file By default the file system displays the file in the form of text that is the contents of the file Example Display the content of the file test txt 3Com more test txt AppWizard has created this test application for you This file contains a summary of what you will find in each of the files that make up your test application Test dsp This file the pro...

Page 62: ... 6477 KBytes total 2144 KBytes free 3Com dir flash test Directory of flash test 0 drw Jul 12 2001 20 23 37 subdir 1 rw 595 Jul 12 2001 20 13 19 vrpcfg txt 2 rw 50 Jul 12 2001 20 08 32 sample txt 6477 KBytes total 2144 KBytes free Move the file flash test sample txt to flash sample txt 3Com move flash test sample txt flash sample txt Move flash test sample txt to flash sample txt Y N y Moveded file...

Page 63: ...e execution will fail If the name of the destination file is the same with an existing file the operation will fail Example 3Com dir Directory of 0 rw 2145123 Jul 12 2001 12 28 08 ne bin 1 rw 595 Jul 12 2001 10 47 50 vrpcfg txt 2 drw Jul 12 2001 19 41 20 test 3 rw 50 Jul 12 2001 20 26 48 sample txt 6477 KBytes total 2144 KBytes free Rename the file sample txt to sample bak 3Com rename sample txt s...

Page 64: ...ntly use the reset recycle bin command Example Delete a file from the recycle bin 3Com reset recycle bin flash p1h_logic out reset flash plh_logic out Y N rmdir Syntax rmdir directory View User view Parameter directory Name of the directory Description Using the rmdir command you can delete a directory The directory to be deleted must be an empty one Example 3Com dir Directory of 0 drw Jul 12 2001...

Page 65: ...file is the same with that of an existing file the user will be prompted whether the existing file should be overwritten Example 3Com dir all Directory of 0 rw 595 Jul 12 2001 20 13 19 vrpcfg txt 1 rw 50 Jul 12 2001 20 09 23 sample bak 6477 KBytes total 2144 KBytes free Restore the deleted file sample bak 3Com undelete sample bak Undelete flash test sample bak Y N y Undeleted file flash test sampl...

Page 66: ...taneously and now there are two log on users and the timeout of an FTP user is 30 minutes display ftp user Syntax display ftp user View Any view Parameter None Description Using the display ftp user command you can display the parameters of the current FTP user Example Display the FTP user parameter configuration 3Com display ftp user usernamehost porttopdiridle 3Com 10 110 3 51074c 3Com2 The info...

Page 67: ...ameter minute Connection timeout in minutes in the range of 1 to 35791 By default the connection timeout is 30 minutes Description Using the ftp timeout command you can set the connection timeout Using the undo ftp timeout command you can restore the default connection timeout Once the user logs on the FTP server he establishes a connection with the FTP server If an abnormal disconnection occurs o...

Page 68: ...ormal and fast when receiving files transfered by the user using the FTP command PUT Each of two modes is demonstrated respectively as follows Fast mode The FTP server writes the data to the flash memory after the completion of the file transfer This can safeguard that the files in the flash memory of the Router will not be damaged even on abnormal occasions such as power failure Normal mode The F...

Page 69: ...ype to ASCII By default the data type is set to ASCII Example Set the transmission data type to ASCII ftp ascii 200 Type set to A binary Syntax binary View FTP client view Parameter None Description Using the binary command you can set file type to support binary files transmission Example Set file type to support binary files transmission ftp binary 200 Type set to B bye Syntax bye ...

Page 70: ...e connection with remote FTP server and exit to user view ftp bye 3Com cd Syntax cd pathname View FTP client view Parameter pathname Path name Description Using the cd command you can change the operating path on remote FTP server This command can be used to access another directory on FTP server Example Change the operating path to d temp ftp cd d temp cdup Syntax cdup View FTP client view Parame...

Page 71: ...e Syntax close View FTP client view Parameter None Description Using the close command you can terminate the connection with remote FTP server but remain in FTP client view This command will terminate both control connection and data connection with the remote FTP server simultaneously Example Terminate the connection with the remote FTP server and still keep in FTP client view ftp close ftp debug...

Page 72: ...g ftp debugging delete Syntax delete remotefile View FTP client view Parameter remotefile File name Description Using the delete command you can delete a specified file Example Delete temp c ftp delete temp c dir Syntax dir filename localfile View FTP client view Parameter filename File name queried localfile Local file name saved Description Using the dir command you can query a specified file Th...

Page 73: ...inate both control connection and data connection with the remote FTP server Example Terminate the connection with the remote FTP server and still keep in FTP client view ftp disconnect ftp ftp Syntax ftp host port View User view Parameter host IP address or hostname of the remote FTP server port Port number of the remote FTP server Description Using the ftp command you can establish control conne...

Page 74: ...d save them locally By default if the local file name is not specified this command will consider that it is the same with that of the file on the remote FTP server Example Download temp1 c and save it as temp c ftp get temp1 c temp c lcd Syntax lcd View FTP client view Parameter None Description Using the lcd command you can get the local operating path of FTP client Example Display local operati...

Page 75: ... displayed when there is no parameter Example Query temp c ftp ls temp c mkdir Syntax mkdir pathname View FTP client view Parameter pathname Directory name Description Using the mkdir command you can establish a directory at the remote FTP server Example Establish test directory at the remote FTP server ftp mkdir test open Syntax open ipaddr port View FTP client view Parameter ipaddr IP address of...

Page 76: ...1 passive Syntax passive undo passive View FTP client view Parameter None Description Using the passive command you can set data transmission mode to passive mode Using the undo passive command you can set data transmission mode to active mode By default the transmission mode is passive Example Set data transmission mode to passive mode ftp passive put Syntax put localfile remotefile View FTP clie...

Page 77: ...e remote FTP server and save it as temp1 c ftp put temp c temp1 c pwd Syntax pwd View FTP client view Parameter None Description Using the pwd command you can display the working directory on the remote FTP server Example Display the working directory on the remote FTP server ftp pwd d temp is current directory quit Syntax quit View FTP client view Parameter None Description Using the quit command...

Page 78: ...tion Using the remotehelp command you can display the help of FTP command Example Display the syntax of the command user ftp remotehelp user 214 Syntax USER sp username rmdir Syntax rmdir pathname View FTP client view Parameter pathname Directory name on the remote FTP server Description Using the rmdir command you can delete a specified directory on FTP server Example Delete d temp1 directory on ...

Page 79: ... ftp user tom bjhw verbose Syntax verbose undo verbose View FTP client view Parameter None Description Using the verbose command you can enable the verbose function to view information from FTP server Using the undo verbose command you can disable the verbose function By default it is disabled Example Enable the verbose function ftp verbose TFTP Configuration Commands tftp Syntax tftp ip_address g...

Page 80: ...ry of the TFTP server at 1 1 254 2 to the local hardware and save it as vrpcfg bak 3Com tftp 1 1 254 2 get vrpcfg txt flash vrpcfg bak Upload the file vrpcfg txt stored in the root directory of the flash onto the default directory on the TFTP server at 1 1 254 2 and save the file on the server as vrpcfg bak 3Com tftp 1 1 254 2 put flash vrpcfg txt vrpcfg bak tftp server acl Syntax tftp server acl ...

Page 81: ...ce interface type Interface type interface number Interface number configuration Displays the specified configurations rip Displays the RIP configuration ospf Displays the OSPF configuration bgp Displays the BGP configuration post system Displays the greeting message configuration system Displays the system configuration user interface Displays the user interface configuration Uses regular express...

Page 82: ...PP parameters on an interface encapsulated with X 25 at the link layer but he will not be able to see the PPP configuration information on the interface after executing the display current configuration command For related commands see save reset saved configuration and display saved configuration Example Display the currently effective configuration parameters of the router 3Com display current c...

Page 83: ...r will apply the next time it is booted For related commands see save reset saved configuration and display current configuration Example Display the router configuration file in the storage device 3Com display saved configuration sysname 3Com tcp window 8 undo multicast igmp all enable controller E1 3 0 0 interface Aux0 link protocol ppp interface Ethernet0 0 0 interface Serial0 0 link protocol p...

Page 84: ...r view Parameter None Description Using the reset saved configuration command you can erase the saved router configuration You are recommended to use this command only when necessary and under the guidance of the support technician This command is likely to be used when A used router is applied to a new application environment and the existing configuration file cannot meet the requirements of the...

Page 85: ... configuration information into the storage device After you finish a set of configurations and make their functions valid you should save the current configuration file into the storage device For related commands see reset saved configuration display current configuration and display saved configuration Example Save the current configuration information in the default storage device 3Com save up...

Page 86: ...romfull 3Com upgrade bootrom full User Interface Configuration Commands acl Syntax acl acl number inbound outbound undo acl inbound outbound View User interface view Parameter acl number Address access control list number inbound Restricts incoming calls of a user interface outbound Restricts outgoing calls of a user interface Description Using the acl command you can reference an ACL to restrict ...

Page 87: ... command you can set the mode that a user interface uses to authenticate the login users Using the authentication mode none command you can set the authentication mode to none that is the login users need not undergo authentication before they access the user interface By default the authentication mode is set to password for the VTY user interface and none for other user interfaces For related co...

Page 88: ... automatically be executed The user connection will be disconnected automatically once the execution of the command is finished A common approach is to configure the Telnet command using the auto execute command command on the terminal so that the user may automatically connect to the specified host You should use this command with cautions because it will probably make you unable to make the regu...

Page 89: ...ow mode Example Set data bit to 5 3Com ui aux0 databits 5 debugging vty Syntax debugging vty fsm negotiate undo debugging vty fsm negotiate View User view Parameter fsm Debugging of the Telnet state machine negotiate Debugging of the VTY negotiation Description Using the debugging vty command you can enable the debugging of the VTY Using the undo debugging vty command you can disable the debugging...

Page 90: ...nc mode Idx Absolute index of user interface Type Type and relative index of user interface Privi The privilege of user interface Auth The authentication mode of user interface A Authenticate use AAA L Authenticate use local database N Current user interface need not authentication P Authenticate use current UI s password display users Syntax display users all View Any view Parameter all Displays ...

Page 91: ...host flow control Syntax flow control hardware software none undo flow control View User interface view Parameter none No flow control software Software flow control hardware Hardware flow control only be effective to AUX port Description Using the flow control command you can configure flow control mode Using the undo flow control command you can restore the default flow control mode By default n...

Page 92: ...in the user interfaces of the type defined by type name Example Clear user interface 0 3Com free user interface 0 history command max size Syntax history command max size size value undo history command max size View User interface view Parameter size value History buffer size which is in the range of 0 to 256 and defaults to 10 that is up to ten history commands can be stored Description Using th...

Page 93: ...ults to ten minutes Setting the time value to 0 will disable the timed disconnection in which case a connection will not be cut off upon the expiration of preset time interval Example Set the time interval for timed disconnection to one minute and 30 seconds 3Com ui console0 idle timeout 1 30 modem Syntax modem call in both undo modem call in both View User interface view Parameter call in Allows ...

Page 94: ... modem auto answer View User interface view Parameter None Description Using the modem auto answer command you can set the answering mode to auto answer Using the undo modem auto answer command you can set the answering mode to manual answer By default the answering mode is manual answer This command is valid for the AUX interface and other asynchronous interfaces but not for the console interface...

Page 95: ...d for the AUX interface and other asynchronous interfaces but not for the console interface Example None parity Syntax parity none even odd mark space undo parity View User interface view Parameter none Implements no check even Implements even parity check odd Implements odd parity check mark Implements mark check space Implements space check Description Using the parity command you can set the ch...

Page 96: ...on function on the involved port By default the system does not support redirection This command is only valid for the AUX and the TTY user interfaces For example executing the redirect command on a TTY user interface will enable the redirection function of the user interface For related commands see telnet and display tcp status Example Enable the redirection function of user interface TTY7 3Com ...

Page 97: ...l user interfaces type name Name of user interface type number Absolute Relative user interface number Description Using the send command you can transfer messages between user interfaces Using the send all command you can send messages to all user interfaces Using the send number command you can send messages to the user interface defined by specifying its number Using the send type name number c...

Page 98: ...the password format is set to plain text or ciphertext a user must input plain text password during the authentication When configuring a password you must specify its format to simple or cipher If the former has been specified the password saved in the configuration file will be in plain text If the latter is specified however the password will be displayed in ciphertext regardless of whether the...

Page 99: ... constraints do not apply to other types of user interfaces Example Disable terminal services on the virtual terminals VTYs 0 to 4 3Com user interface vty 0 4 3Com ui vty0 4 undo shell The following information will be displayed for a login Telnet terminal connection refused by remote host speed Syntax speed speed value undo speed View User interface view Parameter speed value Transmission rate in...

Page 100: ... stopbits 1 5 1 2 undo stopbits View User interface view Parameter 1 5 Sets the stop bit to 1 5 1 Sets the stop bit to 1 2 Sets the stop bit to 2 Description Using the stopbits command you can set the stop bit of a user interface Using the undo stopbits command you can restore the default stop bit of the user interface By default the stop bit is set to 1 Only when the serial interface works in asy...

Page 101: ...onflicts with the precedence level assigned to the used username in the granted rights the rights commensurate with the username will be preferred For example the precedence of the user 007 allows 007 to access level 3 commands and the privilege level assigned to the user interface VTY 0 only allows the login users to access level 2 commands If 007 accesses the system from VTY0 in this case it wil...

Page 102: ... 0 through 3 3Com user interface vty 0 3 3Com ui vty0 3 enter the user interface view to configure user interfaces 0 through 4 including of console port type of AUX interface type and of VTY interface type The user interface types will be configured depending on the configuration interface available on the router The following example configures one console user interface and three VTY user interf...

Page 103: ...n debugging validity Validity debugging of NTP remote host Description Using the debugging ntp service command you can enable debugging of all types of NTP service information Using the undo debugging ntp service command you can disable NTP service debugging By default all the information debugging is disabled Example Enable the ntp access control debugging 3Com debugging ntp service access displa...

Page 104: ...0 316437726 1199 539 7 note 1 source master 2 source peer 3 selected 4 candidate 5 configured display ntp service status Syntax display ntp service status View Any view Parameter None Description Using the display ntp service status command you can display the state information of the NTP service Example 3Com display ntp service status clock status unsynchronized clock stratum 16 reference clock I...

Page 105: ...4 can be synchronized to server 3 server 3 to server 2 and server 2 to server 1 Server 1 is synchronized from the reference clock source GPS Receiver ntp service access Syntax ntp service access query synchronization server peer acl number undo ntp service access query synchronization server peer synchronized Indicate that the local system is synchronized to a remote NTP server or a clock source u...

Page 106: ...service of the local device A security approach of minimum authority is provided in this manual The more secure approach is to perform ID authentication When there is an access request this command can be used to make the matches in sequence in a way of from the minimum access authority to the maximum authority All matches are based on the first match The match order is peer server synchronization...

Page 107: ... keyid number View System view Parameter number Key number in the range of 1 to 4294967295 value Key itself that is represented with 1 to 32 ASCII characters Description Using the ntp service authentication keyid command you can set NTP authentication key Using the undo ntp service authentication keyid command you can remove NTP authentication key By default no authentication key is set This comma...

Page 108: ...cal device enables a short client server mode to exchange messages with the remote server in order to estimate network delay Then it enters the client mode to listen discreetly to the broadcast packets and synchronize the local clock according to the coming broadcast packets Example Enable the interface Ethernet 1 0 1 to receive NTP broadcast message 3Com interface ethernet 1 0 1 3Com Ethernet1 0 ...

Page 109: ...TP version number is set to 3 3Com interface ethernet 1 0 0 3Com Ethernet1 0 0 ntp service broadcast server authentication key 4 version 3 ntp service max dynamic sessions Syntax ntp service max dynamic sessions number undo ntp service max dynamic sessions View System view Parameter number Number of sessions allowed to be established locally It is in the range of 0 to 232 1 Description Using the n...

Page 110: ...to exchange messages with the remote server in order to estimate network delay Then it enters the client multicast client mode to listen discreetly to the multicast packets and synchronize the local clock according to the coming multicast packets Example Configure Ethernet 1 0 0 to receive NTP multicast packets The multicast address corresponding to the multicast packets is 244 0 1 1 3Com interfac...

Page 111: ...odically to the multicast clients Example Configure Ethernet 1 0 0 to transmit NTP multicast messages The multicast address is 244 0 1 1 encrypted by No 4 key The NTP version number is set to 3 3Com interface ethernet 1 0 0 3Com Ethernet1 0 0 ntp service multicast server 224 0 1 1 authentication keyid 4 version 3 ntp service refclock master Syntax ntp service refclock master X X X X layers number ...

Page 112: ...4294967295 Description Using the ntp service reliable authentication keyid command you can specify the key to be reliable Using the undo ntp service reliable authentication keyid command you can remove the specified reliable key By default no reliable authentication key is set If ID authentication is enabled this command is used to specify that one or more keys are reliable That is the client can ...

Page 113: ...TP messages The IP address is obtained from the specified interface If the user does not want the IP addresses on other interfaces to become the destination address responding to the messages this command can be used to specify one interface to send all the NTP packets Example Specify the source IP address of all the NTP output packets to use the IP address on the interface Ethernet 1 0 0 3Com ntp...

Page 114: ...nd is used to set the remote server specified by the X X X X as the peer of the local device The local device is run in symmetric active mode The X X X X is a host address and cannot be the address of the broadcast multicast or reference clock In this configuration the local device can be synchronized to the remote server and the remote server can also be synchronized to the local server Example D...

Page 115: ...P server mode Using the undo ntp service unicast server command you can remove the NTP server mode By default the version number is 3 ID authentication is enabled and the server is not the preferred one This command is used to set the remote server specified by the X X X X as the local time server The X X X X is a host address and cannot be the IP address of the broadcast multicast or reference cl...

Page 116: ...MP Agent packet information header 3Com debugging snmp agent header display snmp agent Syntax display snmp agent local engineid remote engineid View Any view Parameter None Description Using the display snmp agent command you can display the SNMP engine ID of local or remote device The SNMP engine is the only identification of the SNMP management and it uniquely identifies a SNMP entity in one man...

Page 117: ...le Display the currently configured community name 3Com display snmp agent community Community name 8040zlz Group name 8040zlz Storage type nonVolatile Community name 8040core Group name 8040core Storage type nonVolatile display snmp agent group Syntax display snmp agent group group name View Any view Parameter group name Specifies the group name of the SNMP information to be displayed ranging 1 t...

Page 118: ...pecifies to exclude the SNMP MIB view attributes displayed and set include Specifies to include the SNMP MIB view attributes displayed and set viewname Specifies the view name to be displayed Description Using the display snmp agent mib view command you can display the currently configured MIB view Example Display the currently configured MIB view 3Com display snmp agent mib view View name ViewDef...

Page 119: ...ype nonVolatile View Type excluded View status active The following table describes the parameters displayed above Table 5 Description of display snmp agent mib view fields CAUTION When the SNMP Agent is disabled Snmp Agent disabled will be displayed for all the above display commands display snmp agent statistics Syntax display snmp agent statistics View Any view Parameter None Content Descriptio...

Page 120: ...supported version Number of packets with version errors Messages which used an unknown community name Number of packets with community name errors Messages which represented an illegal operation for the community supplied Number of packets with authority errors corresponding to community name ASN 1 or BER errors in the process of decoding Number of SNMP packets with encoding errors MIB objects ret...

Page 121: ...isplay the system information 3Com display snmp agent sys info display snmp agent usm user Syntax display snmp agent usm user engineid engineid username user name group group name View Any view Parameter engineid Displays the SNMPv3 user information of the specified engine ID engineid string Character string of the engine ID username Displays the information of the specified SNMPv3 user user name ...

Page 122: ...an enable the SNMP Agent and specify the SNMP configuration information Using the undo snmp agent command you can disable SNMP Agent By default the SNMP Agent is disabled The snmp agent command can be used to enable SNMP Agent and any configuration command of snmp agent can also enable SNMP Agent However the undo form of the corresponding command does not have the functions It will be invalid conf...

Page 123: ... mib view MIB view available for the specified community name view name Name of MIB view acl Sets the ACL corresponding to the community name acl number Number of the ACL range 1 to 99 Description Using the snmp agent community command you can set the community access name of SNMPV1 and SNMPV2C and MIB views and ACLs available for the community name Using the undo snmp agent community command you ...

Page 124: ...e Group name in the range of 1 to 32 bytes authentication Performs authentication of the packet without encryption privacy Performs authentication and encryption of the packet read Enables the setting of read only view read view Name of the read only view in the range of 1 to 32 bytes write Enables the setting of reading and writing view write view Name of the reading and writing view in the range...

Page 125: ...to 32 Description Using the snmp agent local engineid command you can configure an ID for the local SNMP engine on the router Using the undo snmp agent local engineid command you can remove the current settings By default the engine ID is enterprise number equipment information of the company Each device determines the equipment information It can be either the IP address MAC address or the device...

Page 126: ...ame is ViewDefault and the OID is 1 3 6 1 Currently this command supports not only the input of the character string of the variable OID as a parameter but also the input of the node name as a parameter For the related command see snmp agent group Example Create a view that includes all MIB II objects 3Com snmp agent mib view included mib2 1 3 6 1 snmp agent packet max size Syntax snmp agent packe...

Page 127: ...sLocation Device location information version Sets the SNMP version number used by the system v1 SNMP V1 v2c SNMP V2C v3 SNMP V3 Indicates selecting one to three items from the three options of v1 v2c and v3 all SNMP V1 SNMP V2C and SNMP V3 Description Using the snmp agent sys info command you can set the system information including the system maintenance information physical location information...

Page 128: ...the address of the destination host where the SNMP message transmits udp domain Specifies that the transmission domain of the destination host is based on UDP X X X X IP address of the host udp port Specifies the port port number Specifies the port number that receives the trap packet params Specifies the information of the logging host that generates SNMP messages securityname Specifies the commu...

Page 129: ...P Trap packets to 10 1 1 1 using the community name of comaccess 3Com snmp agent trap enable snmp 3Com snmp agent target host trap address udp domain 10 1 1 1 params securityname comaccess Send SNMP Trap packets to 10 1 1 1 using the community name of public 3Com snmp agent trap enable standard 3Com snmp agent target host trap address udp domain 10 1 1 1 params securityname public snmp agent trap ...

Page 130: ... related command see snmp agent target host snmp agent trap source snmp agent trap timeout Example Allow sending the Trap packets which fail to perform SNMP authentication to 10 1 1 1 The trap packets are in the form of V2C with the community name of public 3Com snmp agent trap enable snmp authentication 3Com snmp agent target host trap address udp domain 10 1 1 1 params securityname public v2c En...

Page 131: ... trap life 60 snmp agent trap queue size Syntax snmp agent trap queue size size undo snmp agent trap queue size View System view Parameter size Length of the message queue ranging 1 to 1000 Description Using the snmp agent trap queue size command you can set the length of the message queue of the Trap packet sent to the destination host Using the undo snmp agent trap queue size command you can can...

Page 132: ...event For the related command see snmp agent trap enable snmp agent target host Example Specify the IP address of the Ethernet interface 1 0 0 as the source address of Trap packet 3Com snmp agent trap source ethernet 1 0 0 snmp agent usm user Syntax snmp agent usm user v1 v2c user name group name acl acl number undo snmp agent usm user v1 v2c user name group name snmp agent usm user v3 user name g...

Page 133: ...es the engine ID associated with the user engineid string Character string of engine ID Description Using the snmp agent usm user command you can add a new user to a SNMP group Using the undo snmp agent usm user command you can delete a SNMP group user When the user configures a remote user for a certain Agent the engine ID is needed during authentication If the engine ID changes after the user ha...

Page 134: ...bugging for Telnet connection By default the debugging for Telnet connection is disabled For the related command see telnet Example 3Com debugging telnet display tcp status Syntax display tcp status View Any view Parameter None Description Using the display tcp status command you can display all TCP connections currently established with the router This command is used to display all TCP connectio...

Page 135: ... port telnet Syntax telnet vpn instance vpn instance name host ip address service port View User view Parameter vpn instance vpn instance name Sets the vpn instance name of MPLS VPN host ip address Hostname or IP address of the remote router in dotted decimal format service port TCP port number for the remote router to provide Telnet service in the range of 0 to 65535 Description Using the telnet ...

Page 136: ...enter in debugging form and to debug certain user interface separately Using the undo debugging rsa command you can disable the debugging By default the debugging is disabled For the related command see rsa local key pair create rsa local key pair destroy Example Enable the RSA debugging 3Com debugging rsa debugging ssh server Syntax debugging ssh server VTY index all undo debugging ssh server VTY...

Page 137: ... SSH0 SSH_SMSG_PUBLIC_KEY msg 00 23 21 SSH0 SSH_CMSG_SESSION_KEY msg length 112 type 0x03 00 23 21 SSH RSA decrypt started 00 23 21 SSH RSA decrypt finished 00 23 21 SSH RSA decrypt started 00 23 21 SSH RSA decrypt finished display rsa local key pair public Syntax display rsa local key pair public View Any view Parameter None Description Using the display rsa local key pair public command you can ...

Page 138: ...tinuous character string 0 length value 64 Description Using the display rsa peer public key command you can display the specified RSA public key If there is no public key specified all public keys will be displayed For the related command see rsa local key pair create Example 3Com display rsa peer public key Address Bits Name 1023 abcd 1024 hq 1024 wn1 1024 hq_all 3Com display rsa peer public key...

Page 139: ...seconds SSH server key generating interval 1 hours SSH Authentication retries 3 times Display SSH session respectively 3Com display ssh server session ConnectionVersionEncryptionStateUsername VTY0 1 5 DESSession started3Com VTY3 1 5 DESSession startedrouter peer public key end Syntax peer public key end View Public key view Parameter None Description Using the peer public key end command you can r...

Page 140: ...bout the specified user will be displayed For the related command see ssh user username assign rsa key ssh user username authentication type Example Display the user information 3Com display ssh user information Username user public key name authentication type Jin jinrsa hanqi1 816pubpassword 1024 file3rsa 4000 hq_rsaall hanqi_rsahq_rsa rsa hanqi_allhq_all all protocol inbound Syntax protocol inb...

Page 141: ...ode password and authentication mode none the configuration of protocol inbound ssh will fail For the related command see user interface vty Example Disable the Telnet function of vty0 to vty4 and only support the SSH function 3Com user interface vty 0 4 3Com ui vty0 4 protocol inbound ssh Disable the Telnet function of vty0 and only support the SSH function 3Com user interface vty 0 3Com ui vty0 ...

Page 142: ...ey code end public key code end Syntax public key code end View Public key edit view Parameter None Description Using the public key code end command you can quit public key edit view to public key view and to save the public key configured by the user In addition to quit public key view to public key chain view After this command is executed the edit process of public key will be ended Before sav...

Page 143: ...is 512 digits and the maximum length is 2048 digits If there has been key pair the user should confirm whether to change it The primary operation to accomplish SSH login is to configure and generate local RSA key pair Before performing other SSH configurations you must accomplish the configuration of the rsa local key pair create command to generate local key pair It is necessary to execute this c...

Page 144: ...s of server 3Com rsa local key pair destroy Keys to be removed are named rtvrp_Host Do you really want to remove these keys yes no y 3Com rsa peer public key Syntax rsa peer public key key name View System view Parameter None Description Using the rsa peer public key command you can enter the view of public key view After the command is input the system will enter the view of public key view This ...

Page 145: ...SSH connection authentication re try times to enable it in next login Using the undo ssh server authentication retries command you can restore the default value of SSH connection authentication retry times By default the re try times are 3 For the related command see display ssh sever Example Specify the re try times for registration authentication as 4 3Com ssh server authentication retries 4 ssh...

Page 146: ...onds undo ssh server timeout View System view Parameter seconds Specifies the login time out time It ranges from 1 to 120 seconds Description Using the ssh server timeout command you can set the time out time of SSH connection authentication to enable it valid in next login Using the undo ssh server timeout command you can restore the default value of time out time of SSH connection authentication...

Page 147: ...SSH type it will notice SSH and SSH will add the user into user set maintained by it When AAA module deletes any one user it will notice SSH and SSH will match the user in its user name set SSH will delete the user from the user set if it finds the match of the user in user name set The new configured user public key will be valid in next login For the related command see display ssh user informat...

Page 148: ...e default mode that login is always denied By default the system will always deny the login The authentication mode must be specified for the new user or the user will not be able to login The new configured authentication mode will take effect in next login For the related command see display ssh user information Example Specify the authentication mode as password for the user smith 3Com ssh user...

Page 149: ... Enables alarming of all levels error Enables error level alarming cell Enables cell level alarming packet Enables packet level alarming interface interface type interface number Specifies interface type and number Description Using the debugging physical command you can enable alarming for a specified interface Using the undo debugging physical command you can disable alarming for a specified int...

Page 150: ...of the Ethernet interface Ethernet 0 0 0 to 3Com Router Ethernet interface 3com interface ethernet 0 0 0 3com Ethernet0 0 0 description 3Com Router ethernet interface display interface Syntax display interface type number sub number View Any view Parameter type Interface type which is used along with number to identify an interface number Interface number which is used along with type for identify...

Page 151: ...700 bytes 0 no buffers 0 input errors 0 CRC 0 frame errors 0 overrunners 0 aborted sequences 0 input no buffers DCD UP DTR UP DSR UP RTS UP CTS UP Table 1 Description of the displayed interface information interface Syntax interface type number sub number undo interface type number sub number Field Description Serial0 is up Physical layer state of the interface line protocol is up Link layer state...

Page 152: ...rs given that these letters do not conflict with other interface types Therefore you can input e0 0 0 for Ethernet 0 0 0 and s0 0 0 1 for Serial 0 0 0 1 You can enter the view of the desired physical interface and creating logical interfaces or subinterfaces as needed by executing the interface command You can create subinterfaces for an Ethernet interface or a serial interface encapsulated with X...

Page 153: ... for identifying an interface number Interface number which is used along with type for identifying an interface Description Using the reset counters interface command you can clear the statistics of the transmitted and received packets on an interface If no interface has been specified the statistics about the transmitted and received packets on all the interfaces are cleared To count the traffic...

Page 154: ...ted command see display interface Example Shut down Ethernet 0 0 0 3com Ethernet0 0 0 shutdown Interface Ethernet0 0 0 is down Interface Ethernet0 0 0 changed state to DOWN Line protocol ip on interface Ethernet0 0 0 changed state to DOWN Fundamental Ethernet Interface Configuration Commands display interface ethernet Syntax display interface ethernet interface number View Any view Parameter inter...

Page 155: ... Length Discards 0 75 0 Last 5 minutes input rate 227 13 bytes sec 2 67 packets sec Last 5 minutes output rate 0 00 bytes sec 0 00 packets sec Input 542665 packets 47721004 bytes 271460 broadcasts 271205 multicasts 0 errors 0 runts 0 giants 0 CRC 0 align errors 0 overruns 0 dribbles 0 aborts 0 no buffers Output 0 packets 0 bytes 0 errors 0 underruns 0 collisions 0 deferred duplex Syntax duplex ful...

Page 156: ...ating mode For related commands see speed and display interface Example Set the 100Base TX FE interface to work in full duplex mode 3com Ethernet0 0 0 duplex full loopback Syntax loopback undo loopback View Ethernet interface view Parameter None Description Using the loopback command you can enable an Ethernet interface to perform loopback Using the undo loopback command you can disable loopback B...

Page 157: ...Ethernet0 0 0 mtu 1492 speed Syntax speed 10 100 negotiation undo speed View Ethernet interface view Parameter 10 Forces the FE interface to work in 10Base T at 10Mbps mode 100 Forces the FE interface to work in 100Base TX 100Mbps mode negotiation Sets the FE interface to work in auto negotiation mode Description Using the speed command you can set the operating speed of the FE interface Using the...

Page 158: ...ting with each other upon the setup of a physical link Specifically the calling party sends the configuration commands to the called party it is equal to the operation of manually inputting configuration commands at the remote end sets the link layer protocol operating parameters of the called party and then sets up the link This approach is normally adopted in the event of man machine interaction...

Page 159: ...CE supports the range of 1200 bps to 64000 bps V 35 DCE DCE X 21 DTE DCE EIA TIA 449 DTE DCE and EIA 530 DTE DCE supports the range of 1200 bps to 2048000 bps After a synchronous asynchronous serial interface makes the synchronous asynchronous switchover the baud rate of the interface will resume the default baud rate in the new operating mode When setting baud rate for a serial interface you shou...

Page 160: ...E side and the DTE side Different operating clocks are selected for the synchronous serial interfaces working as DTE and DCE as shown in the following figure Figure 1 Selecting a clock for a synchronous serial interface In the figure TxClk represents transmitting clock and RxClk receiving clock As a DCE device is required to provide clock for the remote DTE device you must select DCEclk as the ope...

Page 161: ...t the digital signal coding format to None Return to Zero Inverse NRZI for a synchronous serial interface Using the undo code command you can restore the digital coding format of the synchronous serial interface to NRZ The digital signal coding format defaults to NRZ on the synchronous serial interface Example Set the digital signal coding format to NRZI on the synchronous serial interface 3com Se...

Page 162: ... this function has been disabled on a serial interface the system will not detect the DCD and DSR DTR signals when determining the state UP or DOWN of the serial interface Example Disable the serial interface to make data carrier detection 3com Serial0 0 0 undo detect dcd idle mark Syntax idle mark undo idle mark View Synchronous serial interface view Parameter None Description Using the idle mark...

Page 163: ...interface at the DTE side Using the undo invert transmit clock command you can disable inverting the signal By default transmit clock signal inversion is disabled on the synchronous serial interface at DTE side In some special cases for the purpose of eliminating the half period delay of the clock on the line you may make the configuration to make the system invert the transmit clock signal of the...

Page 164: ...ions Example Enable the serial interface to perform loopback 3com Serial0 0 0 loopback mtu Syntax mtu size undo mtu View Serial interface view Parameter size MTU size on the serial interface which is in the range of 128 to 1500 bytes and defaults to 1500 Description Using the mtu command you can set the MTU of a serial interface Using the undo mtu command you can restore the default setting The MT...

Page 165: ...nous serial interface to work in asynchronous mode 3com Serial0 0 0 physical mode async Fundamental CE1 PRI Interface Configuration Commands channel set Syntax channel set set number timeslot list range undo channel set set number View CE1 PRI interface view Parameter set number The number of the channel set formed by bundling the timeslots on the interface which is in the range of 0 to 30 range T...

Page 166: ...ce The serial interface is numbered in the form of serial interface number set number The interface number starts from the maximum serial interface number plus 1 and the set number is the number of the channel set Only one timeslot bundling mode can be supported on one CE1 PRI interface during a time period In other words this command cannot be used together with the pri set command For related co...

Page 167: ...ode 3com E1 3 0 0 clock master code Syntax code ami hdb3 undo code View CE1 PRI interface view Parameter ami Adopts Alternate Mark Inversion AMI line code format hdb3 Adopts High Density Bipolar 3 HDB3 line code format This parameter is only significant for a CE1 PRI interface Description Using the code command you can set the line code format for a CE1 PRI interface Using the undo code command yo...

Page 168: ...ber Interface number Description Using the display controller e1 command you can display the information related to a CE1 PRI interface Executing this command will display the following information Physical state of interface Clock mode of interface Frame check mode of interface Line code format of interface Example Display the information related to the E1 interface 3com display controller E1 3 0...

Page 169: ...E1 interface is no crc4 A CE1 PRI interface working in CE1 mode supports both crc4 and no crc4 frame formats Among them crc4 supports the 4 bit Cyclic Redundancy Check CRC on physical frames whereas no crc4 does not Example Set the frame format of the interface E1 3 0 0 to crc4 3com E1 3 0 0 frame format crc4 loopback Syntax loopback local remote undo loopback View CE1 PRI interface view Parameter...

Page 170: ...imeslots by specifying number1 number2 number3 Description Using the pri set command you can bundle the timeslots of a CE1 PRI interface into a pri set Using the undo pri set command you can remove the timeslot bundle By default no timeslots are bundled into pri set When perform pri set bundling on a CE1 PRI interface you should note that you are not allowed to bundle only timeslot 16 as it will b...

Page 171: ...ng the using command you can configure the operating mode for a CE1 PRI interface Using the undo using command you can restore the default operating mode By default the CE1 PRI interface is working in CE1 PRI mode A CE1 PRI interface can work in either E1 mode also called non channelized mode or CE1 PRI mode that is channelized mode A CE1 PRI interface in E1 mode equals an interface of 2 Mbps data...

Page 172: ...55ft The length parameter is selected depending on the actual length of the transmission line Description Using the cable command you can set cable attenuation and length on a CT1 PRI interface to match the distance of the transmission line Using the undo cable command you can restore the default value The transmission cable attenuation that the CT1 PRI interface matches defaults to long 0db This ...

Page 173: ...e channel set command you can bundle some timeslots of a CT1 PRI interface into a channel set Using the undo channel set command you can remove the specified channel set By default no timeslots are bundled into channel sets A CT1 PRI interface is physically divided into 24 timeslots numbered from 1 through 24 In actual applications all the timeslots can be bundled into multiple channel sets and th...

Page 174: ... PRI interface is working as DCE chose the internal clock for it that is master clock mode When it is working as DTE chose the line clock that is the slave clock mode for it Example Set the clock mode of the CT1 PRI interface to internal clock master mode 3com T1 1 0 0 clock master code Syntax code ami b8zs undo code View CT1 PRI interface view Parameter ami Adopts the AMI line code format b8zs Ad...

Page 175: ...T1 PRI interface number Description Using the controller t1 command you can enter a CT1 PRI interface view Example Enter the view of the interface T1 1 00 3com controller t1 1 0 0 3com T1 1 0 0 display controller t1 Syntax display controller t1 number View Any view Parameter number Interface number Description Using the display controller t1 command you can display the information related to a CT1...

Page 176: ...rmat on a CT1 PRI interface Using the undo frame format command you can restore to the default frame format on the interface The frame format on the CT1 PRI interface defaults to ESF A CT1 PRI interface supports two frame formats that is SF and ESF In SF format multiple frames can share the same FSC and signaling information so that more significant bits can be used for transmitting user data In p...

Page 177: ...ported as DOWN Example Set the interface T1 1 0 0 to perform local loopback 3com T1 1 0 0 loopback remote pri set Syntax pri set timeslot list range undo pri set View CT1 PRI interface view Parameter range The number of the timeslots that are bundled which is in the range of 1 to 24 When specifying the timeslots to be bundled you can specify a single timeslot by specifying a number a range of time...

Page 178: ...f serial number 23 in which number starts from the maximum serial interface number plus 1 Only one timeslot bundling mode can be supported on one CE1 PRI interface during a time period In other words this command cannot be used together with the channel set command For a related command see channel set Example Bundle the timeslots 1 2 and 8 12 of the CT1 PRI interface into a pri set 3com T1 1 0 0 ...

Page 179: ...1 clock command you can configure clock used by an E1 F interface Using the undo fe1 clock command you can restore the default clock of the interface By default the interfaces use the slave clock For an E1 F interface used as DCE master clock should be used If the interface is used as DTE however the slave clock should be used Example Set the E1 F interface to use internal clock 3com Serial0 0 0 f...

Page 180: ...ace to AMI 3com Serial0 0 0 fe1 code ami fe1 frame format Syntax fe1 frame format crc4 no crc4 undo fe1 frame format View E1 F interface view Parameter crc4 Adopts CRC4 as the framing format for the E1 F interface no crc4 Adopts no CRC4 as the framing format for the E1 F interface Description Using the fe1 frame format command you can configure the framing format for an E1 F interface Using the un...

Page 181: ...l cases On an interface using this command but with different arguments can enable local loopback and remote loopback but these two functions cannot be enabled at the same time Example Place the E1 F interface in local loopback 3com Serial0 0 0 fe1 loopback local fe1 timeslot list Syntax fe1 timeslot list all range undo fe1 timeslot list View E1 F interface view Parameter all Binds all the time sl...

Page 182: ...ured For related commands see fe1 unframed Example Bind the time slots 1 2 5 10 through 15 and 18 on the E1 F interface 3com Serial0 0 0 fe1 timeslot list 1 2 5 10 15 18 fe1 unframed Syntax fe1 unframed undo fe1 unframed View E1 F interface view Parameter None Description Using the fe1 unframed command you can configure an E1 F interface to work in unframed mode Using the undo fe1 unframed command...

Page 183: ... 655ft depending on the length of transmission line Description Using the ft1 cable command you can configure attenuation or length of the transmission line matched a T1 F interface Using the undo ft1cable command you can restore the default setting By default the transmission line attenuation matched T1 F interfaces is long 0db This command is mainly used for configuring the signal waveform requi...

Page 184: ... T1 F interface 3com display ft1 Serial4 0 0 Fractional T1 status is down Work mode is framed 100 OHM balanced Framing ESF Line Code is B8ZS Clock Slave Alarm State Loss of Signal Table 5 Description of displaying controller FT1 items ft1 clock Syntax ft1 clock master slave undo ft1 clock View T1 F interface view Parameter master Internal clock is used slave Line clock is used Description Using th...

Page 185: ...e code format b8zs Adopts B8ZS line code format Description Using the ft1 code command you can configure the line code format for a T1 F interface Using the undo ft1 code command you can restore the default line code format of interface By default T1 F interfaces adopt b8zs The line code of an interface should be set in consistency with that of the peer Example Set the line code format of the T1 F...

Page 186: ...the T1 F interface to SF 3com Serial0 0 0 ft1 frame format sf ft1 loopback Syntax ft1 loopback local remote undo ft1 loopback local remote View T1 F interface view Parameter local Places the interface in local loopback remote Places the interface in remote loopback Description Using the ft1 loopback command you can configure a T1 F interface in local or remote loopback Using the undo ft1 loopback ...

Page 187: ...56 is used timeslots will be bound into N X 56kbps If the argument 64 is used timeslots will be bound into N X 64kbps Description Using the ft1 timeslot list command you can configure the time slots that will participate in the binding operation on a T1 F interface Using the undo ft1 timeslot list command you can restore the default setting of time slot binding By default all the time slots on a T...

Page 188: ...ault clock mode on the interface By default the CE3 interface adopts the line clock mode slave The clock is selected depending on the connected remote device If it is a transmission device the local end will use the line clock If the CE3 interfaces on the two routers are directly connected one router should use the internal clock whereas the other router uses the line clock Example Configure the C...

Page 189: ...mation of each E1 line on the CE3 interface if the interface is working in CE3 mode Example Display the information related to the interface E3 1 0 0 3com display controller e3 1 0 0 E3 1 0 0 is up Description 3Com Routers E3 1 0 Interface Applique type is CE3 75 OHM unbalanced Frame format G751 line code HDB3 clock slave national bit 1 loopback not set Alarm none ERROR 0 BPV 0 EXZ 0 FrmErr 0 FEBE...

Page 190: ...set set number View CE3 interface view Parameter line number E1 line number in the range of 1 to 16 set number The number of the channel set formed by bundling the timeslots of E1 line which is in the range of 0 to 30 range The number of the timeslots that are bundled which is in the range of 1 to 31 When specifying the timeslots to be bundled you can specify a single timeslot by specifying a numb...

Page 191: ...clock master slave undo e1 line number set clock View CE3 interface view Parameter line number E1 line number in the range of 1 to 16 master Adopts the internal clock mode slave Adopts the line clock mode Description Using the e1 set clock command you can set the clock mode for an E1 line on a CE3 interface Using the undo e1 clock command you can restore the default setting By defaults the E1 line...

Page 192: ...sing the undo e1 unframed command can this command be configured For related command see e1 unframed Example Configure the first E1 line on the E3 interface to adopt the frame format crc4 3com E3 1 0 0 e1 1 set frame format crc4 e1 set loopback Syntax e1 line number set loopback local remote undo e1 line number set loopback View CE3 interface view Parameter line number E1 line number in the range ...

Page 193: ...n the CE3 interface Using the undo e1 shutdown command you can enable the E1 line By default E1 line is enabled This command will affect not only the specified E1 line but also the serial interfaces formed by bundling the timeslots of the E1 line Executing the e1 shutdown command on the specified E1 line will shut down all these serial interfaces and the data transmission and receiving will be sto...

Page 194: ...and see e1 channel set Example Set the first E1 line on the E3 interface to work in unframed mode 3com E3 1 0 0 e1 1 unframed loopback Syntax loopback local payload remote undo loopback View CE3 interface view Parameter local Enables the CE3 interface to perform local loopback payload Places the CE3 interface in an remote payload loopback Data passes the framer in this case and will be looped back...

Page 195: ...he national bit of the CE3 interface to 0 1 Sets the national bit of the CE3 interface to 1 Description Using the national bit command you can configure national bit for a CE3 interface Using the undo national bit command you can restore the default setting The national bit of CE3 interface defaults to 1 It is necessary to set the national bit of an E3 interface to 0 only in some special circumsta...

Page 196: ...a serial interface numbered serial number 0 0 for it This interface operates at 34 368 Mbps and has the same logic features of a synchronous serial interface on which you can make other configurations For related command see controller e3 Example Configure the interface E3 1 0 0 to work in unchannelized mode 3com E3 1 0 0 using e3 Fundamental CT3 Interface Configuration Commands cable Syntax cable...

Page 197: ...et the clock mode on a CT3 interface Using the undo clock command you can restore the default clock mode on the interface By default the CT3 interface adopts the line clock mode slave The clock is selected depending on the connected remote device If it is a transmission device the local end will use the line clock If the CT3 interfaces on the two routers are directly connected one router should us...

Page 198: ...arameter 16 Adopt 16 bit CRC 32 Adopt 32 bit CRC no crc Adopt no CRC Description Using the crc command you can configure CRC mode of the serial interface formed by CT3 Using the undo crc command you can restore the default setting By default 16 bit CRC is used For the related commands see t1 channel set t1 unframed and using Example Apply 32 bit CRC to the serial interface formed by the interface ...

Page 199: ...rm local loopback payload Places the CT3 interface in an external payload loop Data passes the framer in this case and will be looped back after payload is generated remote Enables the CT3 interface to perform remote loopback Data does not go through the framer in this case and will be looped back before the payload has been generated Description Using the loopback command you can configure the lo...

Page 200: ...ying number1 number2 number3 speed Timeslot bundling mode If 56k is selected the timeslots will be bundled into N x 56Kbps If 64k is selected the timeslots will be bundled into N x 64 Kbps Speed defaults to 64k Description Using the t1 channel set command you can bundle the timeslots of a T1 line Using the undo t1 channel set command you can remove the timeslot bundle By default no timeslots are b...

Page 201: ... command you can restore the default setting By defaults the T1 lines on a CT3 interface adopt line clock The E1 lines on a CE3 interface working in channelized mode are allowed to use separate clocks Example Configure the first T1 line on the T3 interface to adopt line clock 3com T3 1 0 0 t1 1 set clock slave t1 set frame format Syntax t1 line number set frame format esf sf undo t1 line number se...

Page 202: ...emote undo t1 line number set loopback View CT3 interface view Parameter line number T1 line number in the range of 1 to 28 local Enables the T1 line to perform local loopback remote Enables the T1 line to perform remote loopback Description Using the t1 set loopback command you can set the loopback mode of a T1 line on a T3 interface Using the undo t1 set loopback command you can disable the T1 l...

Page 203: ... of the T1 line Executing the t1 shutdown command on the specified T1 line will shut down all these serial interfaces and the data transmission and receiving will be stopped as a result Likewise executing the undo t1 shutdown command will re enable all these serial interfaces Example Shut down the first T1 line on the T3 interface 3com T3 1 0 0 t1 1 shutdown t1 unframed Syntax t1 line number unfra...

Page 204: ...ee t1 channel set Example Set the first T1 line on the T3 interface to work in unframed mode 3com T3 1 0 0 t1 1 unframed using Syntax using t3 ct3 View CT3 interface view Parameter t3 Sets the CT3 interface to work in unchannelized mode ct3 Sets the CT3 interface to work in channelized mode Description Using the using command you can configure the operating mode of a CT3 interface Using the undo u...

Page 205: ...nterface is working in CT3 mode Example Display the information related to the interface T3 1 0 0 3com display controller t3 1 0 0 T3 1 0 0 is down Description 3Com Routers T3 1 0 Interface Frame format C BIT Parity line code B3ZS cable 49 feet clock slave loopback not set Alarm none ERROR 0 BiPolarViolation 0 EXcessiveZero 1 FrameError 0 ParityBitError 0 C BitParityBitError 0 FarEndBlockError ATM...

Page 206: ...ble long clock Syntax clock master slave undo clock View ATM E3 T3 interface view Parameter master Sets the clock mode of ATM E3 T3 to master mode slave Sets the clock mode of ATM E3 T3 to slave mode Description Using the clock command you can set the clock mode of ATM E3 T3 interface Using the undo clock command you can restore the default setting By default the clock mode of ATM E3 T3 interface ...

Page 207: ...3 T3 interface view Parameter g832 adm Configures frame format of ATM E3 as G 823 ATM direct mapping g751 adm Configures frame format of ATM E3 as G 751 ATM direct mapping g751 plcp Configures frame format of ATM E3 as G 751 Physical Layer Convergence Protocol PLCP cbit adm Configures frame format of ATM T3 as C bit ATM direct mapping cbit plcp Configures frame format of ATM T3 as C bit PLCP m23 a...

Page 208: ...al cell loopback local Internal loopback payload External payload loopback remote External line loopback Description Using the loopback command you can enable the loopback function of the interface Using the undo loopback command you can disable the loopback function By default loopback is disabled Example Enable external payload loopback of ATM E3 T3 interface 2 0 0 3com system view 3com interfac...

Page 209: ...0 3com Atm2 0 0 undo scramble ATM 25M Interface Configuration Commands clock Syntax clock master slave undo clock View ATM interface view Parameter master Adopts the internal clock mode slave Adopts the line clock mode Description Using the clock command you can set the clock mode on an ATM interface Using the undo clock command you can restore the default clock mode on the interface By default th...

Page 210: ...ATM interface Using the undo clock command you can restore the default clock mode on the interface By default the ATM interface adopts the slave clock When an ATM interface is working as DCE choose the master clock mode When it is working as DTE choose the slave clock mode for it When ATM interfaces of two routers are directly connected by fiber one end should be configured with the master clock m...

Page 211: ... ATM interface 4 0 0 3com display interface atm 4 0 0 frame format Syntax frame format sdh sonet undo frame format View ATM interface view Parameter sdh Sets the frame format to SDH STM 1 sonet Sets the frame format to SONET OC 3 Description Using the frame format command you can set the frame format of ATM OC 3c STM 1 interface Using the undo frame format command you can restore the default setti...

Page 212: ...rform loopback only for the purpose of testing some special functions You should not enable the loopback function when the interface is providing normal services Example Enable the ATM interface to perform local loopback 3com Atm4 0 0 loopback local scramble Syntax scramble undo scramble View ATM interface view Parameter None Description Using the scramble command you can enable an undo scramble t...

Page 213: ...mplate The training process detects line distance and performance negotiates between two ends and determines if the interface can run normally under such condition If the training succeeds a communication link is set up between two ends and the interface is activated on which services can be transferred When the interface is deactivated no communication link exists so you must activate the interfa...

Page 214: ...nfigure annex standard at an SHDSL interface You cannot activate a link with different standard types at both ends Using the undo shdsl annex command you can restore the default standard By default annex b is selected Example Restore the default standard type at the SHDSL interface 5680 Atm1 0 0 undo shdsl annex shdsl rate Syntax shdsl rate auto rate undo rate View ATM interface view Parameter aut...

Page 215: ...x shdsl snr threshold undo snr View ATM interface view Parameter threshold In the range of 5 30 By default it is 25 Description Using the shdsl snr command you can specify SNR signal to noise ratio value at an SHDSL interface Using the undo snr command you can restore the default value Example Restore SNR value to the default value 3com Atm1 0 0 undo shdsl snr shdsl margin Syntax shdsl margin disa...

Page 216: ...ormation Example Display G SHDSL configuration information 3com Atm3 0 0 display dsl configuration interface atm 3 0 GSHDSL line parameter and mode Configuration Mode CPE Standard G991 2 Annex B Wire Type 2 Framing 3 SNR Threshold 25 dB Line Rate Auto Adaptive Target Margin 3 dB Psd Mode Sym PSD Power Backoff Disable Actual Handshake Status 00 0002 0000 0000 0000 0000 0000 0000 0000 0000 0000 10 0...

Page 217: ... you can view DSL interface state Example Display G SHDSL interface state 3com Atm3 0 0 display dsl status interface atm 3 0 0 Operating Mode CPE Standard G991 2 Wire Type 2 Phy Op State Active Xcvr Op State Data Mode LineRate Mode Adaptive Target Margin 3 dB LOC Detect 0 Losw Defect 0 Frm Sync 1 Tx Cells 0 Rx Cells 0 Drop Cells 0 HecErr Cells 0 CRCS 135 SEGAS 335 LOSWS 4 Int Count TX EOC 0 RX EOC...

Page 218: ...d functions available Example Display G SHDSL version 3com Atm3 0 0 display dsl version interface atm 3 0 0 Dsl Line Type G SHDSL ATM SAR Device 0x823614f1 ATM SAR Revision 0x02 Chipset Vendor GSPN Field Description Operating Mode CPE stands for customer premises equipment and CO for central office Wire Type The options include 2 line type and 4 line type Currently only 2 line type is available Ph...

Page 219: ...e uplink and downlink speeds and the noise tolerance specified in the line configuration template It will test the line distance and state make the central office and the remote device make negotiation and confirm whether the normal operation is allowed in the these conditions If the training succeeds the central office and the remote device can set up a communication connection for transporting s...

Page 220: ...ts the G DMT G992 1 standard glite Adopts the G Lite G992 2 standard t1413 Adopts the T1 413 standard Description Using the adsl standard command you can set the standard applied to an ADSL interface Using the undo adsl standard command you can restore the default standard used by the ADSL interface By default the ADSL standard is set to auto You should note that this configuration does not take e...

Page 221: ...tate 3com Atm1 0 0 display dsl configuration int atm 1 0 0 Line Params Set by User Standard T1 413 Annex A Framing 3 Coding Gain dB Auto Tx Pow Attn dB 0 Bit Swap disable LinkCheck Enable Actual Config Near End Far End Standard T1 413 T1 413 Trellis Coding Enable Enable Framing 3 3 Vendor ID 0x0039 0x0004 AS0 DS LS0 US Rate Bytes 238 26 Rate kbps 7616 832 Latency Intlv Intlv FEC fast 0 0 S D R Inl...

Page 222: ... c0 a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a e0 a 9 9 a 9 9 9 9 9 9 8 9 9 9 9 9 9 9 9 9 8 8 8 8 8 7 7 7 7 6 6 6 adsl tx_attenuation Syntax adsl tx_attenuation attenuation undo adsl tx_attenuation View ADSL interface view Parameter attenuation Attenuation value in the range of 0 12 By default it is 0 Description Using the adsl tx_attenuation command you can set attenuation va...

Page 223: ... 3com Atm1 0 display dsl configuration interface atm 1 0 Line Params Set by User Standard T1 413 Annex A Framing 3 Coding Gain dB Auto Tx Pow Attn dB 0 Bit Swap disable LinkCheck Enable Actual Config Near End Far End Standard T1 413 T1 413 Trellis Coding Enable Enable Framing 3 3 Vendor ID 0x0039 0x0004 AS0 DS LS0 US Rate Bytes 238 26 Rate kbps 7616 832 Latency Intlv Intlv FEC fast 0 0 S D R Inlv ...

Page 224: ...uration display dsl status Syntax display dsl status interface atm interface number View Any view Parameter interface number Interface number Description Using the display dsl status command you can display the DSL state information Example Display the ADSL state information of the interface 1 0 0 3com Atm1 0 0 display dsl status interface atm 1 0 0 State of driver chipsets Phy Op State Active Fie...

Page 225: ... dB 1 0 2 0 Coding Gain dB 5 5 Tx Power dBm 8 3 21 7 Tx Bin Number 25 219 Rate kbps 832 7616 Adsl Count Near End Far End SEF sef 0 0 LOS los 0 0 RSI fec I 0 0 RSF fec F 0 0 CRCI crc I 2 0 CRCF crc F 0 0 ATM Count NCDI ncd I 0 0 NCDF ncd F 0 0 OCDI ocd I 0 OCDF ocd F 0 HECI hec I 0 0 HECF hec F 0 0 Adsl Defects Overall 0 SEF sef 0 0 ...

Page 226: ...ver chipsetsInterface state and transceiver state Phy Interface state and options include activating active startup deactivated and test mode Xcvr Transceiver state and options include idle data mode handshaking and training The following information appears after the link is activated Active Params Link parameters which include SNR margin attenuation Tx Bin Number etc The Present rate kbps is con...

Page 227: ...413 Issue 2 Supported ITU G992 1 ANNEX A Supported ITU G992 2 Supported Fundamental Logical Interface Configuration Commands This chapter only discusses basic configuration of logical interfaces For configuration of link layer and network layer protocols refer to corresponding sections in this guide Sub Interface Configuration Commands interface Syntax interface interface type interface number sub...

Page 228: ... of sub interface is point to multipoint Presently point to multipoint or point to point sub interface can be configured to ATM interface interface with frame relay or X 25 as its link layer protocol type In contrast sub interface of Ethernet is of broadcast type Up to 1024 sub interfaces can be created for one main interface Example Create a sub interface on ATM interface 2 0 0 3com system view 3...

Page 229: ...ub interface on Ethernet interface 1 0 0 3com interface ethernet 1 0 0 1 3com Ethernet1 0 0 1 Logic Channel Interface interface logic channel Syntax interface logic channel interface number undo interface logic channel interface number View System view Parameter interface number Number of logic channel in range of 0 1023 Description Using the interface logic channel command you can create logic ch...

Page 230: ...efault configuration When there are many links on a virtual template sending multicast or broadcast packets from each link may influence the function of the system In this case the broadcast limit link command can be used as a limitation so that multicast or broadcast packets are discarded if the link number exceeds the limitation Example Configure maximum link number of virtual template 1 support...

Page 231: ...l access interface vt number Virtual template number of virtual access interface user name Login username of virtual access interface peer address Peer end address of virtual access interface va number Sequence number of virtual access interface State information of all virtual access interfaces will be displayed if no parameter is specified Description Using the display virtual access command you...

Page 232: ...In deleting the virtual template make sure that all its derived virtual access interfaces have been removed and this virtual template is not in use any more Example Create virtual template 10 3com interface virtual template 10 3com Virtual Template10 MP group Interface Configuration Command display interface mp group Syntax display interface mp group number View Any view Parameter number Number of...

Page 233: ...p interface or interface added in MP group can be configured first Example Create MP group interface 3 0 0 3com interface mp group 3 0 0 3com mp group 3 0 0 ppp mp mp group Syntax ppp mp mp group number undo ppp mp mp group number View Interface view Parameter number Number of MP group interface Description Using the ppp mp mp group command you can add the current interface to a specified MP group...

Page 234: ...l ethernet Syntax display interface virtual ethernet number View Any view Parameter number Number of virtual Ethernet interfaces with sequence number ranging from 0 to 1023 If the number of interfaces is not specified the status of all virtual Ethernet interfaces will be displayed Description Using the display interface virtual ethernet command you can view status of a virtual Ethernet interface E...

Page 235: ...2 mac address Syntax mac address H H H undo mac address View Virtual Ethernet interface view Parameter H H H Mac address of virtual Ethernet interface in the form of hex character string Description Using the mac address command you can configure the Mac address of a virtual Ethernet interface Using the undo mac address command you can restore the default configuration By default for a virtual Eth...

Page 236: ...d you can view status of the loopback interface For the related command see interface loopback Example View status information of specified Loopback interface 3com display interface loopback 6 LoopBack6 current state UP Line protocol current state UP Description 3Com Routers LoopBack6 Interface The Maximum Transmit Unit is 1536 Internet Address is 10 10 1 1 8 display interface null Syntax display ...

Page 237: ... output 0 bytes 0 drops interface loopback Syntax interface loopback number undo interface loopback number View System view Parameter number Number of Loopback interface ranging from 0 to 1023 Description Using the interface loopback command you can create a Loopback interface or enter Loopback interface view Using the undo interface loopback command you can delete a specified Loopback interface A...

Page 238: ...sing the interface null command you can enter the Null interface view There is only one Null interface fixed as null0 which is fixed and cannot be deactivated or deleted For the related command see display interface null Example Enter view of Null0 interface 3com interface null 0 3com NULL0 ...

Page 239: ...e quid0 1 member slot 3 Master link is Virtual Template1 0 0 lost fragments 0 reordered 0 unassigned sequence 0 0 rcvd sent The bundled son channels are Serial3 0 0 Table 1 3ComMP display information description Field Description Template is Virtual Template1 Virtual template interface Bundle quid0 Bundle name 1 member The number of bound channels slot 3 Bundled in slot 3 Master link is Virtual Te...

Page 240: ...isable the PPP interface to compress the VJ TCP header If the VJ TCP header is permitted to compress at the PPP interface the interface at the opposite end shall also permit to compress the VJ TCP header This command is only used in the centralized environment By default the VJ TCP header is disabled to compress at the PPP interface Example The VJ TCP header is permitted to compress at the PPP int...

Page 241: ...tication user name of PPP both Performs the MP binding based on both the authentication user name of PPP and the terminal identifier descriptor Performs the MP binding according to the terminal identifier Description Using the ppp mp binding mode command you can set the MP binding condition Using the undo ppp mp binding mode command you can restore the default value of the MP binding condition By ...

Page 242: ...nting for PPP user Using the undo ppp accounting command you can disable the accounting By default no ppp accounting is performed After PPP authentication succeeds AAA will begin to charge the peer user The command is used to configure the accounting method list Please refer to AAA Configuration for the detailed method list configuration For the related commands see ppp authentication mode and aaa...

Page 243: ...cation which sends the password in plain text CHAP is a 3 way handshake authentication which sends the password in encrypted text In addition the defined AAA authentication algorithm list can be used Either CHAP or PAP is just an authentication process The success of the authentication is decided by AAA which can authenticate on the basis of the local authentication database or AAA server For the ...

Page 244: ...x ppp chap user username undo ppp chap user View Interface view Parameter username User name of CHAP authentication which is the one sent to the peer equipment to be authenticated Description Using the ppp chap user command you can configure the user name when performing the CHAP authentication Using the undo ppp chap user command you can delete the existing configuration By default the user name ...

Page 245: ...n enable the iphc For the related command see link protocol ppp Example None ppp compression stac lzs Syntax ppp compression stac lzs undo ppp compression stac lzs View Interface view Parameter None Description Using the ppp compression stac lzs command you can set the PPP protocol to use the Stac compression algorithm Using the undo ppp compression stac lzs command you can disable the compression...

Page 246: ...p dns command you can enable the Router to provide the DNS address for the peer Using the undo ppp dns command you can disable this process By default the Router does not provide the DNS address for the peer When other devices are connected with the Router e g PC is connected to the Router by dialing up via the PPP protocol the Router can assign the DNS address to the peer equipment after the nego...

Page 247: ...configured and used only at the physical interfaces which can encapsulate PPP To enable MP you must configure the ppp mp command and the PAP or CHAP authentication at the physical interface For the related commands see link protocol ppp ppp mp user and interface virtual template Example Configure the PPP encapsulated interface Serial0 0 0 to work in MP mode 3Com Serial1 0 0 ppp mp ppp mp lfi Synta...

Page 248: ...ault configuration By default its value is 16 Normally it is not necessary to configure the parameter which should be performed under the guidance of technical engineers when necessary Such a configuration may have impact on the performance of PPP If it is necessary to bind more than 16 PPP channels the parameter max bind num can be changed If a VIU board reports failure in MP removing links it is...

Page 249: ...be used to set larger packet size value of the MP packet fragment For the related command see ppp mp Example Set the minimum packet of the MP packet fragmentating to 500 bytes 3Com Virtual Template10 ppp mp min fragment 500 ppp mp user Syntax ppp mp user username bind virtual template number undo ppp mp user username View System view Parameter username User name number Virtual template number Desc...

Page 250: ...e ppp mp virtual template command you can configure the virtual template number to be bound by the interface Using the undo ppp mp command you can disable the MP binding of the interface By default the MP binding of the interface is disabled and the interface works in ordinary PPP mode This command specifies the virtual template number to be bound on the interface The interface using this command ...

Page 251: ...sable the configuration By default when the local router is authenticated by the peer router via the PAP method both the username and the password sent by the local router are empty When the local router is authenticated via the PAP method by the peer router the username and password sent by the local router must be the same as the user and password of the peer router For the related commands see ...

Page 252: ... keepalive time is set to a very long time the datalink would be considered to be broken by the other end and then be closed The keepalive time must be set same at the two end of a ppp link For the related command see display interface Example Set the PPP timer hold to 20 seconds 3Com Serial1 0 0 ppp timer hold 20 ppp timer negotiate Syntax ppp timer negotiate seconds undo ppp timer negotiate View...

Page 253: ...pe interface number Specifies an interface Description Using the display pppoe server session command you can view the status and statistics of PPPoE session For the related commands see link protocol ppp and pppoe server bind Example View all the session information of PPPoE 3Com display pppoe server session all SID Intf State OIntf RemMAC LocMAC 2 Virtual Template1 0 UP Ethernet0 2 0 0050 ba22 7...

Page 254: ...template specified by the Ethernet interface Using the undo pppoe server bind command you can disable PPPoE protocol on the relevant interface By default PPPoE protocol is disabled For the related command see link protocol ppp Example Enable PPPoE on virtual template 1 of Ethernet interface Ethernet1 0 0 3Com Ethernet1 0 0 pppoe server bind virtual template 1 pppoe server max sessions local mac Sy...

Page 255: ...imum number of PPPoE sessions that can be established at a local MAC address to 50 3Com pppoe server max sessions local mac 50 pppoe server max sessions remote mac Syntax pppoe server max sessions remote mac number undo pppoe server max sessions remote mac View System view Parameter number Maximum number of PPPoE sessions that can be established at a peer MAC address which ranges from 1 to 4096 De...

Page 256: ...ion Using the pppoe server max sessions total command you can set the maximum number of PPPoE sessions that the system can establish Using the undo pppoe server max sessions total command you can restore the default configuration By default the value of number is 4096 For the related commands see pppoe server max sessions remote mac and pppoe server max sessions local mac Example Set the maximum n...

Page 257: ...ary of PPPoE session packet Displays the statistics of PPPoE session data packet dial bundle number number Displays the statistics of the specified PPPoE session If PPPoE session is not specified the system will display the statistics of all PPPoE sessions Description The command display pppoe client session is used to display the status and statistics of PPPoE session Example Display the summary ...

Page 258: ... pppoe client dial bundle number number View Ethernet interface view or virtual Ethernet interface view Parameter dial bundle number number Dialer Bundle number corresponding to PPPoE session and its value ranges from 1 to 255 The parameter number can be used to identify a PPPoE session or as a PPPoE session Field Explanation ID Session ID PPPoE session ID Server MAC Server MAC server MAC address ...

Page 259: ...r one Dialer Bundle only has one Ethernet interface PPPoE session and Dialer Bundle are one to one If the Dialer Bundle at a certain Dialer has had one Ethernet interface used by PPPoE any other interfaces cannot be added to this Dialer Bundle Likewise if Dialer Bundle has had interfaces other than the PPPoE Ethernet interface this Dialer Bundle can also not be added to the Ethernet interface used...

Page 260: ...will not re establish PPPoE session unless it has data to transmit For the related command see pppoe client Example Clear all PPPoE sessions and re initiate PPPoE session later 3Com reset pppoe client all VLAN Configuration Commands display vlan interface Syntax display vlan interface interface type interface num View Any view Parameter interface type interface num Specifies the interface At prese...

Page 261: ... max packet process 10 Max Packet Process Count for Vid 10 is 300000 display vlan statistics interface Syntax display vlan statistics interface interface type interface num protocol arp ip View Any view Parameter interface type interface num Used to specify the interface At present the interface types supported include Ethernet interface and Gigabit Ethernet interface and it only supports sub inte...

Page 262: ...ber For the related command see reset vlan statistics interface Example Display the packet statistics on VLAN 10 3Com display vlan statistics vid 10 Packets received 53 Packets transmitted 14 max packet process Syntax max packet process count vid undo max packet process vid View System view Parameter count Maximum number of processed packets vid VLAN ID used to identify a VLAN Description Using th...

Page 263: ...rface interface type interface number View User view Parameter interface type interface num Used to specify the interface At present the interface types supported include Ethernet interface and Gigabit Ethernet interface and it only supports sub interface Description Using the reset vlan statistics interface command you can clear VLAN statistics on a certain interface For the related command see s...

Page 264: ...on types on the sub interface By default there is no encapsulation on the subinterface nor VLAN ID related to the subinterface For the related command see display vlan interface Example Set the Ethernet sub interface 2 0 0 1 to be related to VLAN ID 60 and its encapsulation format is dot1q 3Com Ethernet2 0 0 1 vlan type dot1q vid 60 ISDN Configuration Commands debugging isdn Syntax debugging isdn ...

Page 265: ...t Example Enable CC debugging 3Com debugging isdn cc Disable CC debugging 3Com undo debugging isdn cc display isdn active channel Syntax display isdn active channel interface type number View Any view Parameter interface type number Interface type and number Description Using the display isdn active channel command you can view the active call information on ISDN interfaces If no interface has bee...

Page 266: ...xample Display the current states of all ISDN interfaces 3Com display isdn call info Bri0 0 0 Link Layer TEI NONE State TEI_UNASSIGNED Network Layer 0 connection s Serial0 0 0 15 Link Layer TEI 0 State MULTIPLE_FRAME_ESTABLISHED Network Layer 1 connection s Connection 1 CCIndex 0x0000 State Active CES 1 Channel 0x00000002 Calling_Num Sub 003 Called_Num Sub 002 Table 7 Description of the informatio...

Page 267: ...he number of retained entries is limited to 100 Example Display the information of ISDN call history 3Com display isdn call record Call Calling Called Start Stop Seconds Type Number Number Time Time Used In 10660016 10660016 03 07 05 11 23 09 0 In 10660022 10660022 03 07 05 11 23 09 0 Out 660016 03 07 05 11 23 01 03 07 05 11 23 04 3 Out 660022 03 07 05 11 23 01 03 07 05 11 23 04 3 In 10660016 1066...

Page 268: ...Value sec T301 240 T302 15 T303 4 T304 30 T305 30 T308 4 T309 90 T310 40 T313 4 T314 4 T316 120 T317 10 T318 4 T319 4 T321 30 T322 4 Table 8 Description of the displayed system parameters of ISDN display isdn spid Syntax display isdn spid interface type number Item Description T200 sec Retransmit timer in seconds of the L2 protocol of ISDN T202 sec Retransmit timer in seconds for the TEI request m...

Page 269: ... State INIT_NULL SPID timer 30 seconds SPID resend 2 Table 9 Description of the SPID parameters Item Description SPID Type SPID Type which can be NIT STATIC having only the L3 initialization process or AUTO including both the negotiation and the L3 initialization SPID B1 SPID value of the BRI interface B1 channel It can be a static configuration or the result of a dynamic negotiation all depending...

Page 270: ...uce call loss Normally the centralized B channel management provided by exchanges can work well For this reason you are recommended to adopt the management function provided by exchanges in most cases despite the ISDN module can provide the channel management function as well Example Enable local ISDN B channel management 3Com Bri2 0 0 isdn bch local manage isdn bch select way Syntax isdn bch sele...

Page 271: ...igure the range of the numbers that the router can receive Using the undo isdn caller number command you can delete the configured caller number Example Configure the router to receive only the incoming calls from the caller numbers with 400 3Com Serial0 0 0 15 isdn caller number 400 isdn calling Syntax isdn calling calling number undo isdn calling View ISDN interface view Parameter calling number...

Page 272: ...20 digits subaddress Subaddress which is a string comprising digits and or case insensitive English letters and is 1 to 20 characters in length Description Using the isdn check called number command you can configure the called number or subaddress that the system should verify when receiving a digital call Using the undo isdn check called number command you can remove the configuration By default...

Page 273: ...ls to such a device connected to it you must configure the router to use the same call reference length configured on the connected device By default the call reference length is two bytes for E1 PRI and T1 PRI interfaces and one byte for BRI interfaces You are not allowed to configure this command on an ISDN interface if there is still a call on it This command can take effect only if it is confi...

Page 274: ...ill a call on it This command can take effect only if it is configured when there is no call on the interface Alternatively you can manually disable the interface by executing the shutdown command configure the command and then enable the interface by executing the undo shutdown command The operations however will lead to the disconnection of the call existing on the interface Example Set the call...

Page 275: ... Using the isdn ignore llc command you can disable ISDN to carry the Lower Layer Compatibility LLC information element in the SETUP messages sent when placing voice calls Using the undo isdn ignore llc command you can configure ISDN to carry the LLC information element in SETUP messages By default LLC information element is carried in SETUP messages when placing voice calls In the event that the r...

Page 276: ...ion Element with respect to incoming calls and carries the Sending Complete Information Element in SETUP messages with respect to outgoing calls In the event that the router is communicating with an ISDN exchange its settings must be the same as those on the exchange You are not allowed to configure this command on an ISDN interface if there is still a call on it This command can take effect only ...

Page 277: ...e the duration of an ISDN L3 timer Using the undo isdn L3 timer command you can restore the default duration of the ISDN L3 timer on the interface You can view the default durations of the L3 timers in the ISDN protocol by executing the display isdn parameters command Example Set the duration of the L3 timer T301 on the interface Bri 0 0 0 to 160 seconds 3Com Bri0 0 0 isdn l3 timer t301 160 isdn n...

Page 278: ...0 National number 1 0 0 Subscriber number 0 0 0 0 Unknown 0 0 0 1 ISDN telephony numbering loan Recommendation E 164 E 163 1 0 0 1 Private numbering plan DSS1 0 0 0 Unknown 0 0 1 International number 0 1 0 National number 0 1 1 Network specific number 1 0 0 Subscriber number 1 1 0 Abbreviated number 1 1 1 Reserved for extension 0 0 0 0 Unknown 0 0 0 1 ISDN telephony numbering plan Recommendation E...

Page 279: ...y disable the interface by executing the shutdown command configure the command and then enable the interface by executing the undo shutdown command The operations however will lead to the disconnection of the call existing on the interface Example Set both number type and code scheme of ISDN calling numbers on the interface Bri 0 0 0 to unknown 3Com Bri0 0 0 isdn number property 0 calling isdn ov...

Page 280: ...ies You are not allowed to configure this command on an ISDN interface if there is still a call on it This command can take effect only if it is configured when there is no call on the interface Alternatively you can manually disable the interface by executing the shutdown command configure the command and then enable the interface by executing the undo shutdown command The operations however will...

Page 281: ...n set the ISDN protocol to be run on an ISDN interface By default both BRI and PRI interfaces run the ISDN protocol DSS1 You are not allowed to configure this command on an ISDN interface if there is still a call on it This command can take effect only if it is configured when there is no call on the interface Alternatively you can manually disable the interface by executing the shutdown command c...

Page 282: ...t the MPU will control the PRI interface to send RESTART message after re establishing a link Using the undo isdn send restart command you can remove the restart mark This command is invalid for the MCU in a centralized system AR 28 Series Routers for example Example Enable the MCU to automatically send RESTART messages to interface boards automatically 3Com isdn send restart Disable automatic RES...

Page 283: ...trigger a new SPID negotiation request on the interface bri0 0 0 3Com bri0 0 0 isdn spid auto_trigger isdn spid nit Syntax isdn spid nit undo isdn spid nit View ISDN BRI interface view Parameter None Description Using the isdn spid nit command you can set the SPID processing mode to NIT Not Initial Terminal on an NI compliant BRI interface Using the undo isdn spid nit command you can disable the N...

Page 284: ... the default duration of the timer TSPID for the NI compliant BRI interface On a BRI interface compliant with the ISDN protocol in North America calls can be placed only after the SPID negotiation or initialization is finished SPID information can be obtained via static configuration or dynamic negotiation The timer TSPID is started when the terminal originates a negotiation or initialization requ...

Page 285: ...SPID before originate a call During negotiation SPCS may send multiple SPIDs and carry the service types supported by the SPID therefore the router needs to choose a proper SPID according to the local service type This command can only be applied on the BRI interface adopting NI protocol Example Set the service type supported by BRI interface to data and voice 3Com bri0 isdn spid service data 3Com...

Page 286: ...View ISDN BRI interface view Parameter spid String comprising 1 to 20 digits Description Using the isdn spid1 command you can configure SPID information for the B1 channel on an NI compliant BRI interface Using the undo isdn spid1 command you can remove the SPID information of the B1 channel on the interface On a BRI interface compliant with the ISDN protocol in North America calls can be placed o...

Page 287: ...tained via static configuration or dynamic negotiation Only after SPID information is configured for the B2 channel on the BRI interface can the system makes the L3 initialization to place calls normally By default SPID for the B2 channel on a BRI interface is null This command applies only on NI compliant BRI interfaces Example Set SPID to 012345 for the B2 channel on the interface bri0 0 0 3Com ...

Page 288: ...ing statistics isdn statistics display flow to view the statistics in the form of flow and isdn statistics stop to stop making statistics Example Display statistics information on the PRI interface 3Com serial0 0 0 15 isdn statistics display Q 931 message received and sent out on current port CALL_PROC Send 0 Recv 6 SETUP Send 6 Recv 13 CONN Send 13 Recv 5 SETUP_ACK Send 0 Recv 6 CONNECT_ACK Send ...

Page 289: ...asynchronous link SLIP only defines the start and end identifiers of frame so as to intercept IP packet on the serial line Compared with PPP SLIP has no address concept negotiation process differentiation of packet types so only one network protocol can be supported at the same time and error correction function The link layer protocol of the interface shall be consistent with that of the peer int...

Page 290: ...view Parameter seconds Value of the polling interval The value is in the range from 0 to 32767 in seconds 0 indicates that the link detection function is disabled Description Using the timer hold command you can set the polling interval Using the undo timer hold command you can restore the default value of the polling interval By default the value of seconds is 10 seconds The polling interval shou...

Page 291: ...mation debugging of frame relay compression congestion Information debugging of frame relay traffic congestion management de DE information debugging of FRTS event Information debugging of frame relay event When this parameter is used no interface can be specified fragment Information debugging of frame relay fragment When this parameter is in use DLCI must be specified lmi Information debugging o...

Page 292: ...Com debugging fr compress Enable the FRTS congestion management debugging of serial interface 5 0 1 3Com debugging fr congestion interface serial 5 0 1 Enable DE debugging of FRTS on serial interface 5 0 1 3Com debugging fr de interface serial 5 0 1 Enable FRTS transmit rate debugging of serial interface 5 0 1 3Com debugging fr transmit rate interface serial 5 0 1 Enable debugging of the bundle in...

Page 293: ...tatistics information of MFR interface 4 0 0 3Com display fr compress interface mfr 4 0 0 MFR4 0 0 DLCI 25 uncompressed bytes xmt rcv 0 0 compressed bytes xmt rcv 0 0 1 min avg ratio xmt rcv 0 000 0 000 5 min avg ratio xmt rcv 0 000 0 000 display fr dlci switch Syntax display fr dlci switch interface interface type interface num View Any view Parameter interface type Type of the interface interfac...

Page 294: ...play fr inarp info command you can view the packet statistics of the FR inverse address resolution protocol The packets of FR inverse ARP include the address resolution request packet and address resolution reply packet According to the output information via this command you can diagnose if the inverse ARP operates normally For the related command see fr inarp Example Display the packet statistic...

Page 295: ...ay fr interface Serial1 0 0 DTE physical up protocol up Serial1 0 0 1 multi point protocol up Serial1 0 0 2 point to point protocol down Serial2 0 0 DCE physical down protocol down This command displays the protocol status of each interface encapsulated with FR The above information indicates that Frame Relay interface type of Serial1 0 0 is DTE Physical layer protocol and link layer protocol of S...

Page 296: ...terface type of Serial1 0 0 is DTE LMI protocol type is Cisco compatible protocol T391 parameter on DTE side is 10 N391 parameter on DTE side is 6 N392 parameter on DTE side is 3 N393 parameter on DTE side is 4 The number Status Enquiry packets sent through Serial1 0 0 is 96 Received Status Enquiry packets are 85 Timeout packets are 3 Discarded packets are 3 display fr map info Syntax display fr m...

Page 297: ...d IP address is 100 100 1 1 through Inverse ARP The time of creating the mapping is 2002 10 21 14 48 44 and its status is active Encapsulation format is IETF and broadcast packet is available display fr pvc info Syntax display fr pvc info interface interface type interface num View Any view Parameter interface type interface num Used to specify the interface to be viewed The specified interface ca...

Page 298: ... interface interface type interface num View Any view Parameter interface type interface num Used to specify the interface to be viewed Only the main interface can be specified here The information of all interfaces will be displayed for the command without specifying an interface Description Using the display fr statistics command you can view the current Frame Relay statistics about receiving an...

Page 299: ...lay the information of FR interface including the statistical information Example To view the configuration and status information of MFR interface 4 0 123 3Com display interface mfr 4 0 123 MFR4 0 123 current state UP Line protocol current state UP Description 3Com 3Com Series MFR4 0 123 Interface The Maximum Transmit Unit is 1500 Internet Address is 12 12 12 2 16 link protocol is FRAME RELAY IET...

Page 300: ...y bundle links 3Com Serial4 1 2 display mfr Bundle interface MFR4 1 0 Bundle state down Bundle class A fragment disabled Bundle BID MFR4 1 0 Number of bundle links 0 Peer s bundle id Bundle links Bundle interface MFR4 1 1 Bundle state down Bundle class A fragment disabled Bundle BID MFR4 1 1 Number of bundle links 1 Peer s bundle id Bundle links Serial4 1 1 PHY state up link state add sent LID Ser...

Page 301: ...of bundle link line protocol LID Bundle link identifier Bundle Link statistics Packet statistics information of bundle link Add_link Number of Add_link packets sent and received The Add_link packet is used to notify the peer that the local node has prepared for processing frames Add_link_ack Number of Add_link acknowledgment packets sent and received The Add_link_ack packet is used to notify the p...

Page 302: ...h another bundle thus making inconsistent BID none The link is in normal state bundle link idle The peer bundle link is idle which generally occurs when the peer bundle interface is disabled ack timer expiry The current link state is caused by the timeout of the local T ack timer loopback detected Loopback is enabled on the physical line of local bundle link other Other reasons such as LID error u...

Page 303: ...ion iphc command you can enable the IP header compression Using the undo fr compression iphc command you can disable the function By default the Frame Relay compression function is disabled For the related command see fr map Example Configure the Frame Relay interface Serial 4 1 0 to adopt IP header compression 3Com Serial4 1 0 fr compression iphc fr dlci Syntax fr dlci dlci undo fr dlci dlci View...

Page 304: ...dlci View Frame relay interface view and MFR interface view Parameter in dlci DLCI assigned to an interface to receive datagram ranging from 16 to 1007 interface type Interface type interface number Interface number in 3 dimension form slot number card number interface number out dlci DLCI of the specified interface where the packet is forwarded ranging from 16 to 1007 Description Using the fr dlc...

Page 305: ...circuit number indicating that the inverse address resolution is performed for this DLCI number only Description Using the fr inarp command you can enable the inverse address resolution of Frame Relay Using the undo fr inarp command you can disable this function By default system permits enabling the Frame Relay inverse address resolution When the Frame Relay sends data over the interface it is ne...

Page 306: ...ipment DTE and the network side is called Data Communications Equipment DCE In a Frame Relay network the interface between the Frame Relay switches is Network to Network Interface NNI and the corresponding interface adopts the NNI operating view If the device is used as Frame Relay switching the Frame Relay interface should operate in the NNI view or DCE mode NE16E 08E 05 routers support the three...

Page 307: ...ader compression when performing RTP compression Description Using the fr iphc command you can enable IP header compression function including RTP TCP header compression Using the undo fr iphc command you can disable this function For the related configuration see fr map ip Example Configure the number of RTP compression connections as 200 on the frame relay Serial1 0 0 3Com Serial1 0 0 fr iphc rt...

Page 308: ...from 1 to 10 Description Using the fr lmi n392dce command you can set N392 parameter at the DCE side Using the undo fr lmi n392dce command you can restore the default configuration By default the parameter value is 3 The DCE requires the DTE to send a Status Enquiry packet at regular interval set by T392 If the DCE does not receive the Status Enquiry packet within a period of time it will record t...

Page 309: ...k status On receiving this packet the DCE will immediately send a Status Response packet If the DTE does not receive the response packet in the specified time it will record the error by adding 1 to the error count If the errors exceed the threshold the DTE will consider that the physical channels and all the DLCIs to be unavailable N392 and N393 together define the error threshold N393 indicates ...

Page 310: ...rrors exceed the threshold the DCE would consider the physical channels and all the DLCIs to be unavailable N392 and N393 together define the error threshold N393 defines the event number observed and N392 defines the error threshold of that number N393 That is if the number of errors that occurred to the DCE reach N392 in N393 events DCE will consider the errors have reached the threshold and dec...

Page 311: ...onsider that the physical channels and all the DLCIs to be unavailable N392 and N393 together define the error threshold N393 indicates the event number observed and N392 indicates the error threshold of that number N393 That is if N392 errors occurred in N393 Status Enquiry packets in the DTE the DTE would consider that the error count has exceeded the threshold and declare the physical channels ...

Page 312: ...mple Set the frame relay interface Serial1 0 0 to operate in DCE mode and set T392 to 10s 3Com interface Serial1 0 0 3Com Serial1 0 0 link protocol fr 3Com Serial1 0 0 fr interface type dce 3Com Serial1 0 0 fr lmi t392dce 10 fr lmi type Syntax fr lmi type ansi nonstandard q933a undo fr lmi type View Interface view Parameter ansi Standard LMI protocol type of ANSI T1 617 Appendix D nonstandard Nons...

Page 313: ... one default map broadcast optional which is used to specify if broadcast packet can be sent in the mapping nonstandard Indicates that map adopts nonstandard compatible encapsulation format letf Indicates that map adopts ietf encapsulation format Description Using the fr map ip command you can add a FR address mapping Using the undo fr map ip command you can cancel the configuration By default no ...

Page 314: ...ription Using the fr switch command you can create a PVC used for frame relay switching and enter frame relay switching view Using the undo fr switch command you can delete a specified PVC By default there is no PVC used for frame relay switching The interface for forwarding packets can be either a frame relay interface or an MFR interface If Tunnel interface is specified as the forwarding interfa...

Page 315: ...sable frame relay PVC switching By default no FR switching is enabled The command is used to enable Frame Relay PVC switching Example Enable PVC switching on FR interface 3Com fr switching interface mfr Syntax interface mfr interface number subnumber undo interface mfr interface number subnumber View System view Parameter interface number Interface number of a multilink frame relay bundle includin...

Page 316: ...e a multilink frame relay bundle interface with a point to multipoint sub interface 3Com interface mfr 4 0 123 3Com MFR4 0 123 quit 3Com interface mfr 4 0 123 1 3Com MFR4 0 123 1 link protocol fr Syntax link protocol fr nonstandard ietf View Interface view Parameter nonstandard Nonstandard compatible encapsulation format ietf Default encapsulation format according to the Internet Engineering Task ...

Page 317: ...ndle link and bundle it onto a specified MFR interface By default there is no multilink frame relay bundle link When this command is configured the specified MFR interface must exist A maximum of 16 physical interfaces can be bundled onto an MFR interface To delete a physical interface from an MFR interface use the link protocol command to apply a link layer protocol of non frame relay MFR to the ...

Page 318: ...same When changing the BID of an interface you must execute the shutdown undo shutdown command on the interface to make the new BID valid For the related command see mfr link name Example Set the frame relay link BID to bundle1 3Com MFR4 0 123 mfr bundle name bundle1 mfr fragment Syntax mfr fragment undo mfr fragment View MFR interface view Parameter None Description Using the mfr fragment command...

Page 319: ...e the default setting By default the maximum fragment size allowed on a frame relay bundle link is of 300 bytes The priority of the fragment size configured in frame relay interface view is higher than that of the one configured in MFR interface view For the related commands see mfr fragment and mfr window size Example Configure the maximum fragment size allowed on the multilink frame relay bundle...

Page 320: ...bundle link Serial4 1 2 to be bl1 3Com Serial4 1 2 mfr link name bl1 mfr retry Syntax mfr retry number undo mfr retry View Frame relay interface view Parameter number The maximum times that a bundle link can resend hello messages ranging from 1 to 5 By default it is twice Description Using the mfr retry command you can set the maximum times that a frame relay bundle link can resend hello message w...

Page 321: ... the time of waiting for hello acknowledgment message before frame relay bundle link resends hello message Using the undo mfr timer ack command you can restore the default setting For the related commands see mfr timer hello and mfr retry Example Set the frame relay bundle link Serial4 1 2 to wait for 6 seconds before resending hello message 3Com Serial4 1 2 link protocol fr mfr 4 0 123 3Com Seria...

Page 322: ...y 15 seconds 3Com Serial4 1 2 mfr timer hello 15 mfr window size Syntax mfr window size number undo mfr window size View MFR interface view Parameter number Number of fragments ranging from 1 to 16 Description Using the mfr window size command you can configure the number of fragments that can be held by the window used in sliding window algorithm when multilink frame relay reassembles received fr...

Page 323: ...fr switching pvc1 shutdown reset fr inarp Syntax reset fr inarp View User view Parameter None Description Using the reset fr inarp command you can clear the address mapping established by inverse ARP In some special cases for example when the network architecture changes the dynamic address maps originally established will become invalid hence it is necessary to establish them again Users can use ...

Page 324: ...r interface type and fr lmi t392dce Example Configure that Frame Relay interface serial1 0 0 to work in DTE mode and set the value of polling timer to 15 seconds 3Com Serial1 0 0 link protocol fr 3Com Serial1 0 0 fr interface type dte 3Com Serial1 0 0 timer hold 15 ATM Configuration Commands atm class Syntax atm class atm class name undo atm class atm class name View Interface view and PVC view Pa...

Page 325: ... create an ATM Class and enter the ATM Class view Using the undo atm class command you can delete the specified ATM Class An ATM Class is a group of predefined parameters that can be used for ATM interface or PVC For the related command see atm class Example Create an ATM Class named main 3Com atm class main clock Syntax clock master slave undo clock View ATM master interface view Parameter master...

Page 326: ...interface view and there is not this command in ATM sub interface view For the related command see display atm interface Example Specify ATM interface Atm1 0 0 to use the internal transmission clock 3Com Atm1 0 0 clock master debugging atm all Syntax debugging atm all undo debugging atm all View User view Parameter None Description Using the debugging atm all command you can enable all the debuggi...

Page 327: ...ne an ATM interface together with interface type pvc name PVC name optional If no PVC name and VPI VCI pair are specified all the error debugging of the PVC will be enabled vpi vci VPI VCI pair optional For more details please refer to Parameter Description in the pvc command Description Using the debugging atm error command you can enable the error debugging of ATM Using the undo debugging atm er...

Page 328: ...r are specified all the event debugging of PVC will be enabled vpi vci VPI VCI pair optional For more details please refer to Parameter Description in the pvc command Description Using the debugging atm event command you can enable the event debugging of ATM Using the undo debugging atm event command you can disable the debugging By default all the debugging of ATM event is disabled The interface ...

Page 329: ...r optional For more details please refer to Parameter Description in the pvc command Description Using the debugging atm packet command you can enable the packet debugging of ATM Using the undo debugging atm packet command you can disable the debugging By default all the debugging of ATM packet is disabled The interface name parameter is actually composed of interface type and interface num The di...

Page 330: ... CF FF 03 C0 21 01 22 00 0E 01 04 05 DC 515396 229812 atm 8 debug8 05 06 00 00 1F 38 515396 232644 atm 8 debug8 Atm1 0 0 pvc 1 32 out ppp pkt snap 22 515396 232710 atm 8 debug8 FE FE 03 CF FF 03 C0 21 01 23 00 0E 01 04 05 DC 515396 232812 atm 8 debug8 05 06 00 00 1F 38 It indicates that PPP packets are being output from PVC 1 32 of Atm1 0 0 display atm class Syntax display atm class atm class name...

Page 331: ...erface together with interface num interface num Interface number which can determine an ATM interface together with interface type Description Using the display atm interface command you can locate the problems efficiently and get detailed information related to ATM configuration The interface name parameter is actually composed of interface type and interface num The difference of using them onl...

Page 332: ... not specified all the information about the higher layer mapping table of ATM interface will be displayed by default interface type Interface type which can determine an ATM interface together with interface num interface num Interface number which can determine an ATM interface together with interface type pvc name PVC name optional parameter If no PVC name and no VPI VCI pair are specified the ...

Page 333: ...f Atm 1 0 0 interface uses PPPoEoA mapping or IPoEoA mapping VE interface numbered 1 1 1 is adopted the configured MAC address is 00E0 FC01 0203 and its status is activated UP display atm pvc group Syntax display atm pvc group interface interface name interface type interface num pvc pvc name vpi vci vpi vci View Any view Parameter interface name ATM interface name The detailed naming rules can be...

Page 334: ... Atm10 1 0 UP 1 32 2 32 UP MUX IP Atm10 1 0 1 UP 2 32 2 33 UP MUX IP Atm10 1 0 1 UP 2 32 The explanation on the above messages is as follows Taking the first record as an example and the last four records can refer to the following explanation PVC with VPI VCI pair as 1 32 its has been activated UP and the name is 3Com The AAL encapsulation type is SNAP The application type is IPoA The interface i...

Page 335: ...s no space in interface name For the related command see pvc Example Display the information about PVC of all ATM interfaces 3Com display atm pvc info The following information is displayed VPI VCI STATE PVC NAME INDEX ENCAP PROT INTERFACE 1 32 UP 3Com 1 SNAP IP Atm1 0 0 UP 1 33 UP 3Com 5 MUX None Atm1 0 0 UP 1 55 UP datacomm 2 SNAP PPP Atm1 0 0 1 UP 2 66 UP 4 SNAP IP Atm1 0 0 4 UP 2 101 UP beijin...

Page 336: ...lpid InARP must be deleted first In addition some types of encapsulations may not support some applications method one or more of IPoA IPoEoA PPPoA and PPPoEoA When such cases appear the system will give a prompt Example The two examples can both specify AAL5 encapsulation type of PVC as aal5snap Display how to specify AAL5 encapsulation type of PVC 1 32 as aal5snap 3Com atm pvc Atm1 0 0 1 32 enca...

Page 337: ...er the ATM main interface or create enter the ATM sub interface Enter the main interface Atm1 0 0 3Com interface atm 1 0 0 Create enter the sub interface Atm1 0 0 1 and set its connection type as point to point 3Com interface atm 11 1 0 1 p2p ip precedence Syntax ip precedence pvc name vpi vci vpi vci min max default undo ip precedence pvc name vpi vci vpi vci View ATM PVC Group view Parameter pvc...

Page 338: ...0 to 3 3Com atm pvc group Atm1 0 0 1 32 3Com ip precedence 3Com 1 32 0 3 map bridge Syntax map bridge virtual ethernet interface num undo map bridge View PVC view Parameter interface num Interface number of the VE interface which is determined by a set of tri dimensional indices i e slot number module number port number Description Using the map bridge command you can establish the IPoEoA mapping ...

Page 339: ...efault inarp View PVC view Parameter ip address Opposite IP address mapping to PVC ip mask IP address mask optional If a packet cannot find the next hop at the interface but the next hop address belongs to the network segment specified by ip address and ip mask it can be sent over the PVC default A mapping with the default route property is set If a packet cannot find a mapping with the same addre...

Page 340: ...Com atm pvc Atm1 0 0 1 32 map ip 61 123 30 169 broadcast Display how to enable InARP at PVC 1 33 to automatically obtain the opposite address and send InARP packets every 10 minutes 3Com atm pvc Atm1 0 0 1 1 33 map ip inarp 10 map ppp Syntax map ppp virtual template vt number undo map ppp View View PVC view Parameter Virtual template VT Interface number corresponding to PPPoA It should be created ...

Page 341: ...you can restore the default of the value By default 1500 bytes MTU of ATM interface only influences the packet assembling and packet disassembling of IP layer at the ATM interface Because of the limit of the QoS queue length for example the default length of the FIFO queue is 75 the too small MTU will lead to too many fragments and will be dropped by the QoS queue In this case the length of the Qo...

Page 342: ...command you can enable the transmission of OAM F5 Loopback cell so as to check the PVC status You can also enable OAM F5 Loopback retransmission check or modify the related parameters of the retransmission check Using the undo oam frequency command you can disable the transmission and retransmission check of the cell By default OAM F5 Loopback cell transmission is disabled but if OAM F5 Loopback c...

Page 343: ...face or in PVC Group view Using the undo pvc command you can delete the specified PVC By default no PVC is created This command is used to create a PVC with specified VPI VC Once pvc name is specified for one PVC e g 3Com it is possible to re enter the PVC view by inputting pvc pvc name e g pvc 3Com The deletion of the PVC can be done by inputting undo pvc pvc name e g undo pvc 3Com or through the...

Page 344: ...used PVC corresponding to vpi vci must have already been created Description Using the pvc group command you can create a PVC Group or enter the PVC Group view at ATM interface Using the undo pvc group command you can delete the specified PVC Group Once pvc name is specified for some PVC e g 3Com it is possible to enter the PVC Group view by inputting pvc group pvc name e g pvc group 3Com The dele...

Page 345: ...es Although this command is valid on both ATM main interface and sub interface it can only be used in ATM main interface view and there is not this command in ATM sub interface view For the related command see display atm interface Example The two examples can both make ATM interface Atm1 0 0 support totally 2048 VCs Display how to set ATM interface Atm1 0 0 to totally support maximum 2048 VCs 3Co...

Page 346: ...VP policing are satisfied will the packets be transmitted When calculating the traffic the LLC SNAP MUX and NLPID headers are included but the ATM cell head is not included For the related commands see pvc service cbr service vbr nrt and service vbr rt service ubr Example Set the traffic of VP with vpi 1 to 2M 3Com Atm1 0 0 pvp limit 1 2000 service cbr Syntax service cbr output pcr cdvt cdvt_value...

Page 347: ...be adjusted larger to create the PVC once more The above case will be prompted in the command line as follows fail to set service parameter please adjust cdvt value The command does not support ATM E1 interface and ATM E3 interface For the related commands see service vbr nrt service vbr rt and service ubr Example Create a PVC named 3Com with VPI VCI as 1 101 3Com Atm1 0 0 pvc 3Com 1 101 Specify t...

Page 348: ... service ubr 100000 service vbr nrt Syntax service vbr nrt output pcr output scr output mbs View PVC view Parameter output pcr Peak rate of ATM cell output in Kbit s For the value ranges of this parameter see Value ranges of output pcr output scr Sustainable rate of ATM cell output in Kbps Its value ranges are the same as those of output pcr output mbs Maximum burst size of ATM cell output i e the...

Page 349: ...ce in cell number The range of the value is 1 to 512 When it is used in ATM E3 interface the range of the parameter is 1 to 512 Description Using the service vbr rt command you can set the service type of PVC to Variable Bit Rate Real Time VBR RT and specify the related rate parameters in the PVC view By default the service type is UBR after creating a PVC This command as well as the service ubr s...

Page 350: ... you can add X 25 interface or XOT channel of one serial port to the current hunt group Using the undo channel command you can delete the specified interface or XOT channel from the current hunt group One interface may belong to six hunt groups at most at the same time For the related command see X25 hunt group Example Add the serial interface serial0 0 0 to the hunt group hg1 3Com x25 hunt group ...

Page 351: ...one debugging x25 xot Syntax debugging x25 xot all event packet undo debugging x25 xot all event packet View User view Parameter all All debugging switch of XOT event Event debugging switch of XOT packet Packet debugging switch of XOT Description Using the debugging x25 xot command you can enable the debugging switch of XOT Using the undo debugging x25 xot command you can disable the debugging swi...

Page 352: ...Timer 0 seconds New configuration will be effective after restart modulo 8 input output window sizes 7 7 packet sizes 256 256 Channels Incoming only 10 20 Two way 30 40 Outgoing only 50 60 Statistic Restarts 0 Restart Collisions 0 Refused Incoming Call 0 Failing Outgoing Call 0 input output RESTART 1 1 CALL 9 2 DIAGNOSE 0 0 DATA 119 121 INTERRUPT 0 0 Bytes 2497 2731 RR 6 113 RNR 0 0 REJ 0 0 Invali...

Page 353: ...his X 25 interface in unit of second New Configuration New configuration of this X 25 interface taking effect after next restart if this configuration is wrong the default value will be restored Restarts 0 Restart Collision 0 Statistics of this X 25 interface including times of restart including restart collision Refused Incoming Call Statistics information of this X 25 interface times of call ref...

Page 354: ...t quantity Invalid ns Error statistics of this interface LAPB including total of received information frames carrying erroneous sequence numbers Invalid nr Error statistics of this interface LAPB including total of received information frames and monitoring frames carrying erroneous acknowledgment numbers Link resets Restarting times of this interface LAPB link display x25 alias policy Syntax disp...

Page 355: ...isplay the status information of X 25 hunt group hg1 3Com display x25 hunt group info hg1 HG_ID hg1 HG_Type round robin member state vc used in pkts out pkts Serial0 0 0 Last 2 51 20 Serial1 0 0 Next 1 21 15 1 1 1 1 Normal 1 24 3 The following table introduces the meaning of each field in the displayed information Table 19 Explanation of each field in the command display x25 hunt group info Field ...

Page 356: ...ress mappings For the related commands see x25 map x25 pvc x25 switch pvc x25 xot pvc and x25 fr pvc Example Display the X 25 address map table 3Com display x25 map Interface Serial3 0 0 protocol status is up ip address 202 38 162 2 X 121 address 22 map type SVC_MAP VC number 0 Facility ACCEPT_REVERSE BROADCAST PACKET_SIZE I 512 O 512 display x25 pad Syntax display x25 pad pad id View Any view Par...

Page 357: ...4 1 5 0 6 0 7 21 8 0 9 0 10 0 11 14 12 0 13 0 14 0 15 0 16 127 17 21 18 18 19 0 20 0 21 0 22 0 Input Pkts total control 13 2 bytes 12 queue size max 0 200 Output Pkts total control 15 2 bytes 320 display x25 switch table pvc Syntax display x25 switch table pvc View Any view Parameter None Description Using the display x25 switch table pvc command you can view X 25 switching virtual circuit table F...

Page 358: ...T 4 4 4 4 Total of static svc is 6 The item type of SwitchTo meaning I interface H hunt group T xot The following table introduces the meaning of each field in the displayed information Table 20 Explanation of each field in the command display x25 switch table svc display x25 vc Syntax display x25 vc lci View Any view Field Explanation Number Sequence number of this route in the routing table Subs...

Page 359: ... in the displayed information differ For the related commands see x25 pvc x25 switch pvc x25 xot pvc and x25 fr pvc Example Display X 25 virtual circuit 3Com display x25 vc Interface Serial2 0 0 SVC 1 State P4 Map ip 10 1 1 2 to 130 Window size input 2 output 2 Packet Size input 128 output 128 Local PS 5 Local PR 5 Remote PS 5 Remote PR 4 Local Busy FALSE Reset times 0 Input Output DATA 5 5 INTERR...

Page 360: ...rface Serial2 0 0 SVC 59 State P4 PAD UI 130 From remote 130 connected to local 220 Window size input 2 output 2 Packet Size input 128 output 128 Local PS 3 Local PR 1 Remote PS 1 Remote PR 2 Local Busy FALSE Reset times 0 Input Output DATA 9 11 INTERRUPT 0 0 RR 6 2 RNR 0 0 REJ 0 0 Bytes 53 363 Snd Queue Current Max 0 200 display x25 xot Syntax display x25 xot View Any view Parameter None Descript...

Page 361: ...e is Serial0 0 0 lapb max frame Syntax lapb max frame n1 value undo lapb max frame View Interface view Parameter n1 value The value of the parameter N1 in bits and its value ranges from 1096 to 12104 By default the parameter N1 of LAPB is 12032 Description Using the lapb max frame command you can configure the LAPB parameter N1 Using the undo lapb max frame command you can restore the default valu...

Page 362: ...on sequential numbers will cycle within the range of modulo Modulo 8 is a basic view LAPB can implement all the standards via the view It is sufficient for most links For the related command see lapb window size Example Set the LAPB frame numbering view on Serial0 0 0 to modulo 8 3Com Serial0 0 0 lapb modulo 8 lapb retry Syntax lapb retry n2 value undo lapb retry View Interface view Parameter n2 v...

Page 363: ...ng the undo lapb timer command you can restore their default values T1 is a transmission timer When T1 expires DTE DCE will start retransmission The value of T1 shall be greater than the maximum time between the sending of a frame and the receiving of its response frame T2 is a reception timer When it expires the DTE DCE must send an acknowledgement frame so that this frame can be received before ...

Page 364: ...K on the interface Serial 0 0 0 to be 5 3Com Serial0 0 0 lapb window size 5 link protocol lapb Syntax link protocol lapb dte dce ip multi protocol View Interface view Parameter dte Indicates that the interface works in DTE mode of LAPB dce Indicates that the interface works in DCE mode of LAPB ip Indicates that the network layer protocol borne by LAPB is IP Description Using the link protocol lapb...

Page 365: ...encapsulate X 25 protocol to the specified interface By default the link layer protocol for interface is PPP When the interface uses X 25 protocol it works in DTE IETF mode by default If the X 25 switching function is not used and two Routers are directly connected back to back via the X 25 protocol one Router shall work in DTE mode while the other shall work in DCE mode When two Routers are conne...

Page 366: ...l ip address Local IP address of the XOT connection local port Local port number of the XOT connection remote ip address Remote IP address of the XOT connection remote port Remote port number of the XOT connection Description For SVC using the reset xot command you can initiatively clear an XOT link For PVC using reset xot command you can initiatively reset an XOT link You can initiatively clear o...

Page 367: ...dress By default no x 25 alias is configured When an X 25 call is forwarded between networks different X 25 networks may perform some operations on the destination addresses that is the called DTE address carried by this call packet for example regularly adding or deleting the prefix and suffix In this case a user needs to set an interface alias for the router to adapt this change Please consult y...

Page 368: ...ximum packet size negotiation is part of flow control parameter negotiation It needs two parameters maximum reception packet size and maximum transmission packet size which must range from 16 to 1024 including 16 and 1024 and must be the integer power of 2 reverse charge request Specifies reverse charging request while calling from X 25 interface roa list name Specifies an ROA list name configured...

Page 369: ...ial0 0 0 x25 call facility packet size 512 512 3Com Serial0 0 0 x25 call facility window size 5 5 x25 cug service Syntax x25 cug service incoming access outgoing access suppress all preferential undo x25 cug service View Interface view Parameter incoming access Performs the suppress processing of incoming access outgoing access Performs the suppress processing of outgoing access all Suppresses all...

Page 370: ...ult IP is carried over X 25 During X 25 SVC setup the called device will check the call user data field of X 25 call request packet If it is an unidentifiable one the called device will deny the setup of the call connection However a user can specify a default upper layer protocol carried over X 25 When X 25 receives a call with unknown CUD the call can be treated based on the default upper layer ...

Page 371: ...ect the interface with the most idle logical channels in hunt group for each call request A hunt group can have 10 interfaces or XOT channels at most and it may nondistinctively select the available channels between interface and XOT channel XOT channel cannot join the hunt group that adopts the vc number selection policy For the related command see display x25 hunt group Example Create hunt group...

Page 372: ...lling address View Interface view Parameter None Description Using the x25 ignore calling address command you can enable it to ignore the X 121 address of the calling DTE when X 25 initiates calls Using the undo x25 ignore calling address command you can disable this function By default this function is disabled According to X 25 the calling request packet must carry the address bits However on so...

Page 373: ...te the rules CUG suppress rules have two suppressing all CUG facilities and suppressing the mapping CUG facility configured with preferential By default no suppress rule is defined For the related commands see x25 call facility and x25 cug service Example Define the rule on the serial interface Serial0 0 0 the incoming calls with 100 local CUGs or 200 network CUGs are denied 3Com Serial0 0 0 x25 c...

Page 374: ...des powerful support for some routing protocols such as Routing Information Protocol closed user group group number Number of the closed user group corresponding to this address mapping encapsulation type Encapsulation type optional types include nonstandard ietf multi protocol and snap idle timer minutes Maximum idle time for the VC associated with the address mapping 0 means that the idle time i...

Page 375: ...respectively and the four address mappings have different attributes 3Com interface serial 0 0 0 3Com Serial0 0 0 x25 map ip 202 38 160 11 x121 address 20112451 reverse charge request reverse charge accept 3Com Serial0 0 0 x25 map ip 202 38 160 138 x121 address 20112450 packet size 512 512 idle timer 10 3Com interface serial1 0 0 3Com Serial1 0 0 x25 map ip 20 30 4 1 x121 address 25112451 window s...

Page 376: ...aximum output packet length in bytes its value ranges from 16 to 1024 including 16 and 1024 and must be the integer power of 2 By default the maximum output packet length of X 25 interface is 128 bytes Description Using the x25 packet size command you can set the maximum input and output packet lengths of X 25 interface Using the undo x25 packet size command you can restore their default values Us...

Page 377: ...ol address Network protocol address of the peer end of the PVC x 121 address X 121 address of the peer end of this PVC option Attribute of the PVC Description Using the x25 pvc command you can configure one PVC route encapsulated with datagram Using the undo x25 pvc command you can delete this route By default no PVC encapsulated with datagram is created When creating such a PVC you do not set the...

Page 378: ...transmitting window sizes of the VC which range between 1 and the number that is 1 less than the modulus of the X 25 interface where the address mapping exists including 1 and modulus minus 1 For the related commands see display x25 x25 map Example Configure the link layer protocol on the interface Serial0 0 0 to X 25 enable PVC channel section and set two VCs 3Com interface serial 0 0 0 3Com Seri...

Page 379: ... View Interface view Parameter count The number of data packets that can be received before previous acknowledgement ranging from 0 to input window size If it is set to 0 or the input window size this function will be disabled If it is set to 1 X 25 of the 3Com serial routers will send an acknowledgement for each correct packet received By default the number of data packets that can be received on...

Page 380: ... function By default this function is disabled According to X 25 the call receiving packet of a call may or may not carry an address code group depending on the specific network requirements This command enables users to easily specify whether the call receiving packet of a call sent by X 25 of the 3Com series routers carries the called DTE address For the related commands see x25 response calling...

Page 381: ... ignore calling address Example Specify that the call receiving packet of a call sent from the X 25 interface Serial0 0 0 carries the calling DTE address 3Com Serial0 0 0 x25 response calling address x25 reverse charge accept Syntax x25 reverse charge accept undo x25 reverse charge accept View Interface view Parameter None Description Using the x25 reverse charge accept command you can enable this...

Page 382: ... 0 to 9999 You can specify multiple IDs for the ROA Description Using the x25 roa list command you can define ROA list Using the undo x25 roa list command you can delete ROA list items By default no ROA list is defined You can configure multiple 0 to 20 ROAs and each ROA can be specified with multiple 1 to 10 IDs After configuring ROA you can cite it by its name in the commands x25 call facility o...

Page 383: ... protocols on the input and output interfaces must be X 25 Moreover the specified PVCs on the two interfaces have been presented and enabled Note that PVC switching cannot be configured on the X 25 sub interface Detailed explanations of PVC options are follows broadcast Forwards broadcast packet to the peer PVC encapsulation type Encapsulation type which may be nonstandard ietf multi protocol and ...

Page 384: ... sub dest destination address Substitution destination address sub source source address Substitution source address hunt group name Name of hunt group Description Using the x25 switch svc hunt group command you can add an X 25 switching route whose forwarding address is a hunt group Using the undo x25 switch svc hunt group command you can delete the specified X 25 switching route By default no X ...

Page 385: ...ode matching string and its length ranges from 1 to 15 characters For the specific description of mode matching see Table 10 4 and Table 10 5 sub dest destination address Substitution destination address sub source source address Substitution source address ip address1 ip address6 Destination IP address of XOT connection up to 6 addresses can be configured xot option XOT channel parameter option F...

Page 386: ...switching Syntax x25 switching undo x25 switching View System view Parameter None Description Using the x25 switching command you can enable the X 25 switching function Using the undo x25 switching command you can disable this function which will not affect the established VC switching function By default X 25 packet switching function is disabled X 25 packet switching is used to accept packets fr...

Page 387: ... can set the delay to send calls to a destination with failed calls Using the undo x25 timer hold command you can restore its default value Frequently sending call requests to a wrong destination which does not exist or is faulty will deteriorate the operating efficiency of the 3Com series router The use of this function can avoid this problem to a certain extent If this parameter is set to 0 it i...

Page 388: ... this X 25 interface Also users can set the maximum idle time for a SVC attached to this address mapping through the option in the command x25 map For PVC or the established SVC for X 25 switching the command will be disabled For the related command see x25 map Example Set the maximum idle time of the SVC on the interface Serial 0 0 0 to 10 minutes 3Com Serial0 0 0 x25 timer idle 10 x25 timer tx0 ...

Page 389: ... timer in seconds and its value ranges from 0 to 1000 By default the delay time on a DTE call timer is 200 seconds that on a DCE call sending timer is 180 seconds Description Using the x25 timer tx1 command you can set calling request indication transmission timer delay for DTE or DCE Using the undo x25 timer tx1 command you can restore its default value According to X 25 a timer should be started...

Page 390: ...lay time of this timer before the timeout For the related commands see x25 timer tx0 x25 timer tx1 and x25 timer tx3 Example Set the reset timer delay on the X 25 interface Serial0 0 0 to 120 seconds 3Com Serial0 0 0 x25 tx2 120 x25 timer tx3 Syntax x25 timer tx3 seconds undo x25 timer tx3 View Interface view Parameter seconds Delay time of clearing request indication transmission timer in seconds...

Page 391: ...e is 1 Description Using the x25 vc per map command you can set the maximum number of VCs for connections with the same destination device Using the undo x25 vc per map command you can restore their default values If the parameter is greater than 1 and the sending window and the sending queue of VC are filled full the system will create a new VC to the same destination If the new VC cannot be crea...

Page 392: ... 25 VC range is 0 Description Using the x25 vc range command you can set highest and lowest values of X 25 VC range Using the undo x25 vc range command you can restore their default values By default VRP X 25 disables incoming only channel range and outgoing only channel and only the two way channel range 1 1024 is reserved for use Please set the VC range correctly according to the requirements of...

Page 393: ... the greater the window size the higher the transmission efficiency Please consult users ISP about the sending and receiving window sizes Unless supported by the network do not set these two parameters to different values For the related commands see display interface x25 map x25 pvc x25 switch pvc x25 xot pvc x25 fr pvc and x25 receive threshold Example Set the receiving and sending window sizes ...

Page 394: ... x25 x121 address 20112451 x25 xot pvc Syntax x25 xot pvc pvc number1 ip address interface type number pvc pvc number2 xot option packet size input packet output packet window size input window size output window size undo x25 pvc pvc number1 View Interface view Parameter pvc number1 Number of PVC on the local interface and its value ranges from 1 to 4095 pvc number2 Number of PVC on the peer inte...

Page 395: ...10 1 1 2 of Router RTB via XOT tunnel and then perform packet switching Perform the configurations on the Router RTA 3Com Serial0 0 0 ip address 10 1 1 1 255 255 255 0 3Com Serial0 0 0 link protocol x25 dce ietf 3Com Serial0 0 0 x25 xot pvc 1 10 1 1 2 interface serial 1 0 0 pvc 2 Perform the configurations on the Router RTB 3Com Serial1 0 0 ip address 10 1 1 2 255 255 255 0 3Com Serial0 0 0 link p...

Page 396: ...396 CHAPTER 4 LINK LAYER PROTOCOL Example Set the parameter of X 29 to 10 seconds 3Com x29 timer inviteclear time 10 ...

Page 397: ...interface Ethernet6 0 0 Ethernet6 0 0 current state UP Line protocol current state UP Internet Address 5 5 5 5 8 Broadcast address 0 0 0 0 The Maximum Transmit Unit 1500 bytes input packets 1231 bytes 57557 multicasts 1177 output packets 0 bytes 0 multicasts 0 The following information is displayed the current physical link state of Ethernet 6 0 0 is UP the protocol of link layer is UP the IP addr...

Page 398: ... IP address However to enable one interface of a router to connect to several subnets one interface can be configured with several IP addresses Among them one is master IP address and others are slave IP addresses Following is the relationship between the master and slave IP addresses If a master IP address is configured while there s already an existing master IP address the original one will be ...

Page 399: ...s encapsulated with the link layer protocol PPP can the IP address negotiation at this interface be configured Normally it is not necessary to configure ip address negotiation Only in some special circumstances such as accessing Internet through the ISP the IP addresses of the interface that is connected with the ISP are allocated by the ISP through negotiation When IP address negotiation for the ...

Page 400: ...ated with PPP borrow the unnumbered IP address from Ethernet interface 0 0 0 3Com Serial0 0 0 ip address unnumbered Ethernet 0 0 0 remote address Syntax remote address ip address pool pool number undo remote address View Interface view Parameter ip address IP address pool number Address pool number i e assigning one address in the pool number to the peer interface It is a number ranging 0 to 99 wi...

Page 401: ...s IP addresses of the ARP mapping entries in dot deliminated decimal format ethernet address Ethernet MAC address of ARP mapping entries Its format is H H H in which H is a hexadecimal number with 1 to 4 bits vpn instance name The name of VPN instance Description Using the arp static command you can configure ARP mapping table And using the undo arp command you can delete mapping items correspondi...

Page 402: ...rp packet View User view Parameter None Description Using the debugging arp packet command you can enable ARP packets debugging and using the undo debugging arp packet command you can disable the function Example Enable ARP packets debugging 3Com debugging arp packet display arp Syntax display arp static dynamic all View Any view Parameter static Indicates to show the static ARP entries dynamic In...

Page 403: ... clear all ARP entries interface Indicates the selected interface interface type Interface type interface number Interface sequence number interface name Interface name Description Using the reset arp command you can clear the ARP entries in the ARP mapping table By default if slot number is not specified the operation will be performed upon RSU board When operation is performed to the interface w...

Page 404: ...6 1 1 1 3Com 0 static 1 1 1 1 ip host Syntax ip host hostname ip address undo ip host hostname ip address View System view Parameter hostname The name of a host a character string with its length from 1 to 20 ip address The IP address corresponding to a host name whose format can be A B C D Description Using the ip host command you can configure the IP address corresponding to a host name while us...

Page 405: ...ng to the host name router2 3Com undo ip host router2 10 110 0 2 DHCP Public Configuration Commands dhcp enable Syntax dhcp enable undo dhcp enable View System view Parameter None Description Using the dhcp enable command you can enable DHCP services Using the undo dhcp enable command you can disable DHCP services By default DHCP services are enabled Before you can configure DHCP you must enable D...

Page 406: ...internal server and the clients sending them will be allocated with addresses selected from a global address pool in global approach For the related command see dhcp select in system view Example Allocate addresses selected from an interface address pool on the internal DHCP server to the clients sending DHCP packets destined to the local device 3Com Ethernet1 0 0 dhcp select interface dhcp select...

Page 407: ...ected from a global address pool in global approach For the related command see dhcp select in interface view Example Configure the interfaces in the range of Ethernet2 0 0 1 to Ethernet2 0 0 5 to allocate addresses selected from an interface address pool maintained by the internal server to the clients sending DHCP packets destined to the local device 3Com dhcp select interface interface ethernet...

Page 408: ...ption Using the debugging dhcp server command you can enable debugging on the DHCP server Using the undo debugging dhcp server command you can disable debugging By default debugging is disabled on the DHCP server Example Enable event debugging on the DHCP server 3Com debugging dhcp server events 0 62496500 DHCP SER 8 DHCPS_DEBUG_COMMON DhcpServer ICMP Timeout 0 62496583 DHCP SER 8 DHCPS_DEBUG_COMM...

Page 409: ...cp server dns list ip address ip address undo dhcp server dns list ip address all View Interface view Parameter ip address IP address of DNS You can configure up to eight IP addresses separated by spaces in a command Description Using the dhcp server dns list command in interface view you can configure DNS IP addresses for an interface configured with a DHCP address pool Using the undo dns list co...

Page 410: ...do dns list command in system view you can delete the configuration By default no DNS address is configured Only up to eight DNS server addresses by far can be set in each DHCP address pool For the related commands see dhcp server dns list in interface view dhcp server ip pool and dns list Example Assign the DNS server address 1 1 1 254 to the DHCP address pool of the interfaces in the range of Et...

Page 411: ... the subinterfaces whose interface number lies between two subinterface numbers including these two subinterfaces by inserting the keyword to between these two interface numbers all All the interfaces Description Using the dhcp server domain name command in system view you can configure the domain name that the DHCP address pool of the interfaces in a specified range allocates to DHCP clients Usin...

Page 412: ... server ip pool dhcp server expired in system view and expired Example Set the valid period for leasing IP addresses in the interface address pool maintained by Ethernet1 0 0 to unlimited 3Com interface ethernet 1 0 0 3Com Ethernet 1 0 0 dhcp server expired unlimited dhcp server expired in System View Syntax dhcp server expired day day hour hour minute minute unlimited interface ethernet subinterf...

Page 413: ...idden ip low ip address high ip address undo dhcp server forbidden ip low ip address high ip address View System view Parameter low ip address The low IP address that does not participate in the auto allocation high ip address The high IP address that does not participate in the auto allocation It must belong to the same segment to which the low ip address belongs as well and must not be smaller t...

Page 414: ...nd you can delete the specified address pool By default no DHCP address pool is created If the specified address pool has existed executing the dhcp server ip pool command will directly access the DHCP address pool view If the address pool does not exist the DHCP server will create it before accessing the DHCP address pool view Each DHCP server is allowed to configure multiple address pools but no...

Page 415: ...ip address IP address of NetBIOS server You can configure up to eight IP addresses separated by spaces in a command all In the undo form of the command the first all refers to all the NetBIOS server addresses and the second all the interfaces ethernet subinterface range Includes any the subinterfaces whose interface number lies between two subinterface numbers including these two subinterfaces by ...

Page 416: ...chanism h node Hybrid h mode i e the mode of type p nodes possessing some of the broadcast features Description Using the dhcp server netbios type command in interface view you can configure the NetBIOS node type of the DHCP clients of the current interface Using the undo dhcp server netbios type command in interface view you can restore the default setting By default clients adopt type h node h n...

Page 417: ...ios type command in system view you can restore the default setting By default clients adopt type h node h node Hostname IP maps are required in the event that DHCP clients use the NetBIOS protocol on a WAN After configuring this command you cannot view the configuration by executing the display current configuration command By calling dhcp server netbios type respectively on the specified interfa...

Page 418: ...face range all undo dhcp server option code interface ethernet subinterface range all View System view Parameter code Option value that needs to be assigned by the user ascii ascii string ASCII string hex hex string 2 digit or 4 digit hexadecimal string such as hh or hhhh ip address ip address IP address ethernet subinterface range Includes all the subinterfaces between two subinterfaces including...

Page 419: ...seconds Description Using the dhcp server ping command you can configure the maximum number of ping packets that the DHCP server is allowed to send and the longest time period that the DHCP server should wait for the response to each ping packet Using the undo dhcp server ping command you can restore the default settings To prevent the address collision resulted from repeated IP address allocation...

Page 420: ...ecified IP address all All the IP addresses Description Using the display dhcp server conflict command you can view the DHCP address conflict statistics including the information in conflicted IP address conflict detection type conflict time etc If no optional parameter has been specified the information displayed will depend on the current view In Ethernet interface view the information displayed...

Page 421: ...clients Example View the expired leases in DHCP address pools 3Com display dhcp server expired all Global pool IP address Hardware address Lease expiration Type Interface pool IP address Hardware address Lease expiration Type Table 2 Description of the information displayed by executing display dhcp server expired display dhcp server free ip Syntax display dhcp server free ip View Any view Paramet...

Page 422: ... an interface address pool If no interface address pool has been specified the bound addresses in all the interface address pools will be displayed Description Using the display dhcp server ip in use command you can view the address binding information of DHCP clients such as the information in hardware address IP address and address lease expiration If no optional parameter has been specified the...

Page 423: ...f response packets For the related command see reset dhcp server statistics Example View the statistic information on the DHCP server 3Com display dhcp server statistics Global Pool Pool Number 5 Binding Auto 0 Manual 1 Expire 0 Interface Pool Pool Number 1 Binding Auto 1 Manual 0 Expire 0 Boot Request 6 Dhcp Discover 1 Dhcp Request 4 Dhcp Decline 0 Dhcp Release 1 Dhcp Inform 0 Boot Reply 4 Dhcp O...

Page 424: ... displayed is concerned with the address pool of the current interface In any other views the information in all the address pools Example View the tree structure information of DHCP address pools 3Com display dhcp server tree all Global pool Pool name 5 network 10 10 1 0 255 255 255 0 Child node 6 Sibling node 7 option 1 ip address 255 0 0 0 expired 1 0 0 option 58 hex 00 00 A8 C0 option 59 hex 0...

Page 425: ... 255 255 255 0 Parent node 8 option 1 ip address 255 0 0 0 gateway list 2 2 2 2 dns list 1 1 1 1 domain name 444444 nbns list 3 3 3 3 netbios type m node expired 2 0 0 option 58 hex 00 01 51 80 option 59 hex 00 00 00 3C Interface pool Pool name Ethernet11 2 0 network 5 5 5 0 mask 255 255 255 0 option 1 ip address 255 255 255 0 gateway list 5 5 5 5 expired 1 0 0 option 58 hex 00 00 A8 C0 option 59 ...

Page 426: ...e Syntax domain name domain name undo domain name domain name View DHCP address pool view child node 6 The child node of the current node is address pool 6 The node in this position can be Child node which is the child node subnet address pool of the current address pool Parent node which is the father node natural network segment address pool of the current node Sibling node which is the next sib...

Page 427: ... 3Com dhcp server ip pool 0 3Com dhcp 0 domain name mydomain com cn expired Syntax expired day day hour hour minute minute unlimited undo expired View DHCP address pool view Parameter day day Number of days in the range of 0 to 365 hour hour Number of hours in the range of 0 to 23 minute minute Number of hours in the range of 0 to 59 unlimited The valid period is unlimited Description Using the ex...

Page 428: ...router at 10 110 1 99 with DHCP address pool 0 3Com dhcp server ip pool 0 3Com dhcp 0 gateway list 10 110 1 99 nbns list Syntax nbns list ip address ip address undo nbns list ip address all View DHCP address pool view Parameter ip address IP address of NetBIOS server You can configure up to eight IP addresses separated by spaces in a command all All the NetBIOS server IP addresses Description Usin...

Page 429: ...rid h mode i e the mode of type p nodes possessing some of the broadcast features Description Using the netbios type command you can configure the NetBIOS node type of the clients of a global DHCP address pool Using the undo netbios type command you can restore the default setting By default clients adopt type h node h node For the related commands see dhcp server ip pool dhcp server netbios type ...

Page 430: ...x option code ascii ascii string hex hex string ip address ip address undo option code View DHCP address pool view Parameter code Option value that needs to be assigned by the user ascii ascii string ASCII string hex hex string 2 digit or 4 digit hexadecimal string such as hh or hhhh ip address ip address IP address Description Using the option command you can configure the self defined options fo...

Page 431: ...istics 3Com reset dhcp server conflict reset dhcp server ip in use Syntax reset dhcp server ip in use ip ip address pool pool name interface interface name all View User view Parameter ip address Binding information of a specified IP address pool name Specifies a global address pool All the global address pools will apply if no address pool has been specified interface name Specifies an interface ...

Page 432: ... bound addresses and expired addresses number of unknown packets number of DHCP request packets and number of response packets For the related command see display dhcp server statistics Example Clear statistic information of the DHCP server 3Com reset dhcp server statistics static bind ip address Syntax static bind ip address ip address mask netmask undo static bind ip address View DHCP address po...

Page 433: ... is in the format of H H H Description Using the static bind mac address command you can bind a MAC address statically Using the undo static bind mac address command you can delete the statically bound MAC address By default no MAC address is bound statically The commands static bind mac address and static bind ip address must be used in pairs so that a MAC address and an IP address can be bound t...

Page 434: ...lient verbose View Any view Parameter verbose Statistic details of the DHCP client Description Using the display dhcp client command you can display the statistic information of the DHCP client Executing the command attached without the keyword parameter verbose will display only the brief address allocation information on the DHCP client Example Display the statistic details of the DHCP client 3C...

Page 435: ...DHCP client statistic infomation Ethernet0 0 Current machine state BOUND Alloced IP 169 254 0 2 255 255 0 0 Alloced lease 300 seconds T1 150 seconds T2 262 seconds Lease from 2002 09 15 07 11 55 to 2002 09 15 07 16 55 Server IP 169 254 0 1 Transaction ID 0x3d8432b1 Client ID 3Com 00e0 fc0a c3ef Ethernet0 0 Next timeout will happen after 0 days 0 hours 1 minutes 36 seconds Table 6 Statistic informa...

Page 436: ... addresses on Ethernet0 0 0 3Com Ethernet0 0 0 ip address dhcp alloc DHCP Relay Configuration Commands debugging dhcp relay Syntax debugging dhcp relay undo debugging dhcp relay View User view Parameter None Description Using the debugging dhcp relay command you can enable debugging on the DHCP relay module Using the undo debugging dhcp relay command you can disable DHCP relay module debugging Exa...

Page 437: ...he client whose MAC address is 0050 ba34 2000 3Com dhcp relay release 192 2 2 25 0050 ba34 2000 10 110 91 174 display dhcp relay address Syntax display dhcp relay address interface interface name all View Any view Parameter interface name Specifies an interface name which is represented by interface type plus interface number all All the interfaces Description Using the display dhcp relay address ...

Page 438: ...ip relay address Syntax ip relay address ip address undo ip relay address ip address View Interface view Parameter ip address IP relay address in dot deliminated decimal format Description Using the ip relay address command you can specify the exact location of a DHCP server by configuring an IP relay address for it Using the undo ip relay address command you can delete one or all relay IP address...

Page 439: ...ver has been configured with three relay addresses i e S1 S2 and S3 If the polling approach is adopted to relay packets A B and C will respectively use the relay addresses S1 S2 and S3 If A is shut down and restarted again it will continue to use S1 But if a client other than these three clients started it will use S1 Thus the relay addresses will be used cyclically For the related command see ip ...

Page 440: ...For the related command see ip relay address Example Add a relay IP address for the interfaces in the range of Ethernet2 0 0 1 to Ethernet2 0 0 5 3Com ip relay address 202 38 1 2 interface ethernet 2 0 0 1 to ethernet 2 0 0 5 reset dhcp relay statistics Syntax reset dhcp relay statistics View User view Parameter None Description Using the reset dhcp relay statistics command you can clear the DHCP ...

Page 441: ... 3Com debugging ip packet 0 129680 IP 8 debug_case Delivering interface Serial0 0 0 version 4 headlen 20 tos 6 pktlen 70 pktid 49 offset 0 ttl 1 protocol 17 checksum 50 s 1 1 1 2 d 224 0 0 2 prompt IP packet is delivering up 0 129680 IP 8 debug_case Sending interface Serial0 0 0 version 4 headlen 20 tos 6 pktlen 70 pktid 49 offset 0 ttl 1 protocol 17 checksum 55147 s 1 1 1 2 d 224 0 0 2 prompt Sen...

Page 442: ...le debugging of TCP events 3Com debugging tcp event 0 630270 SOCKET 8 TCP EVENT 1043494683 task Co0 2 socketid 0 TCPCB 0x02c6fd74 created 0 630270 SOCKET 8 TCP EVENT 1043494683 task Co0 2 socketid 1 state CLOSED changed to SYN_SENT 0 630270 SOCKET 8 TCP EVENT 1043494683 task Co0 2 socketid 1 sending SYN seq 74249530 LA 127 0 0 1 1025 FA 1 1 1 1 23 0 630270 SOCKET 8 TCP EVENT 1043494683 task Co0 2 ...

Page 443: ...an enable the debugging of TCP connection The number of debugging switches users can enable is limited that is at the same time only a fixed number of debugging switches can be enabled combination of task ID and socket ID Using the undo debugging tcp packet command you can disable the debugging of TCP connection Example Enable the debugging of TCP connection 3Com debugging tcp packet 3Com display ...

Page 444: ...mand you can disable the debugging of UDP connection Example Enable the debugging of UDP connection 3Com debugging udp packet 3Com display debugging 0 377770 SOCKET 8 UDP 1043494431 Output task ROUT 6 socketid 3 src 1 1 1 1 520 dst 255 255 255 255 520 datalen 24 display fib Syntax display fib View Any view Parameter None Description Using the display fib command you can view the summary of the For...

Page 445: ... filtering rules in a format A standard ACL name must be input if the ACL is expressed in name otherwise the system will prompt an abnormal entering When the ACL name or number ranging from 1 to 99 is entered the corresponding ACL will be searched If no ACL is found all FIB table entries information will be displayed and if such an ACL is found the FIB table entries information will be output in a...

Page 446: ...ext command you can view the lines not containing the character string text Example Display the lines beginning from the line containing the character string 169 254 0 0 to the end line of the buffer 3Com display fib begin 169 254 0 0 Destination MaskNexthopFlagTimeStampInterface 169 254 0 0 162 1 1 1Ut 0 Ethernet0 0 0 2 0 0 0 162 1 1 1Ut 0 Ethernet0 0 0 127 0 0 0 8127 0 0 1Ut 0 InLoopBack0 Displa...

Page 447: ...mation will be output in the following format Route entry matched by prefix list abc2 Summary count 1 Destination Mask Nexthop Flag TimeStamp Interface 127 0 0 0 8 127 0 0 1 U t 0 InLoopBack0 Example Display the FIB table entries matched by the prefix list abc0 3Com display fib ip prefix abc0 Route Entry matched by prefix list abc0 Summary count 4 Destination MaskNexthopFlagTimeStampInterface 127 ...

Page 448: ...y fib dest addr dest mask The FIB table entries exactly matching the destination address and mask are displayed display fib dest addr longer The FIB table entries matching the destination addresses within the range of natural mask display fib dest addr dest mask longer The FIB table entries matching the destination IP addresses within the entered mask range The display fib dest addr1 dest mask1 de...

Page 449: ...formation on the fast forwarding table Example Display the information of the fast forwarding table Router display ip fast forwarding cache Fast Forwarding cache Index SrIP SrPort DsIP DsPort Pro Input_If Output_If FLAG 600 0 1 1 3 149 1463 10 10 26 30 23 6 Ethernet0 0 0 Ethernet1 0 0 81 The above information indicates that the latest cache contains the data flow from port 1463 at 1 1 3 149 to por...

Page 450: ...aximum Transmit Unit 1500 bytes input packets 1231 bytes 57557 multicasts 1177 output packets 0 bytes 0 multicasts 0 The above information shows that the physical link state of the interface serial 0 0 0 is UP link layer protocol state is UP the maximum transmit unit is 1500 bytes the IP address is 10 10 10 10 the broadcast subnet is 10 10 255 255 and the packet receiving sending conditions at thi...

Page 451: ...cket sb_cc the current data size in the sending buffer The value makes sense only for the socket of TCP type because only TCP is able to cache data rb_cc the current data size in the receiving buffer socket option the option of the socket socket state the state of the socket Display the information about the socket with socket ID as 4 and task ID as 8 3Com display ip socket 8 4 Task VTYD 8 socketi...

Page 452: ...d 0 src quenched 0 parameter req 0 timestamp req 0 display tcp statistics Syntax display tcp statistics View Any view Parameter None Description Using the display tcp statistics command you can view TCP traffic statistic information The command is used to display the traffic statistic information of all the active TCP connections Statistics information is classified into two parts receiving and se...

Page 453: ...s 0 dropped 0 embryonic dropped 0 Dropped packets with MD5 authentication 0 Permitted packets with MD5 authentication 0 The above information means Receiving statistics Total number of packets received 0 The number of packets reaching as the order total bytes 0 0 Window detection packets number 0 window upgrading packets number 0 The number of packet verification errors 0 the number of packet leng...

Page 454: ...ed 0 The number of connections closed already 0 the number of connections discarded accidentally after SYN is received 0 the times of connections actively failed to establish before SYN is received 0 The packets number discarded after MD5 verification 0 The packets number passing MD5 verification 0 display tcp status Syntax display tcp status View Any view Parameter None Description Using the disp...

Page 455: ...ocket on port 0 broadcast 0 not delivered input socket full 0 input packets missing pcb cache 0 Sent packet Total 0 The displayed information is explained as below UDP packet is received 0 packet has checksum error And there is 0 packet whose packet length is shorter than the packet header 0 packet whose data length is bigger than the packet length 0 packet whose socket uses this port No 0 packet ...

Page 456: ...ward packets 3Com Ethernet 0 0 undo ip fast forwarding Enable the interface to fast forward packets on ingress 3Com Ethernet0 0 0 ip fast forwarding inbound reset ip fast forwarding cache Syntax reset ip fast forwarding cache View User view Parameter None Description Using the reset ip fast forwarding cache command you can reset the fast forwarding cache This command is used to clear the fast forw...

Page 457: ...mpt information on the screen and the existing statistics are cleared For the related command see display tcp statistics Example Display the TCP traffic statistic information 3Com reset tcp statistics reset udp statistics Syntax reset udp statistics View User view Parameter None Description Using the reset udp statistics command you can clear the UDP statistics information After the execution of t...

Page 458: ...0 0 0 tcp mss 300 tcp timer fin timeout Syntax tcp timer fin timeout time value undo tcp timer fin timeout View System view Parameter time value TCP finwait timer value in second with the value range of 76 to 3600 Description Using the tcp timer fin timeout command you can configure the TCP finwait timer Using the undo tcp timer fin timeout command you can restore the default value of the timer By...

Page 459: ... guidance of the technical support engineers For the related commands see tcp timer fin timeout and tcp window Example Configure the TCP synwait timer value as 75 seconds 3Com tcp timer syn timeout 75 tcp window Syntax tcp window size window undo tcp window View System view Parameter window size The size of the transceiving buffer of the connection oriented Socket in kilobytes KB with the value ra...

Page 460: ...ial interface Description Using the debugging nat command you can enable the NAT debugging function Using the undo debugging nat command you can disable the NAT debugging function display nat Syntax display nat address group aging time all outbound server statistics session vpn instance vpn instance name slot slot number destination ip addr source global global addr source inside inside addr View ...

Page 461: ...all the information about address translation 3Com display nat all NAT address group Information 1 from 11 1 1 1to11 1 1 20 2 from 22 1 1 1to22 1 1 20 NAT outbound information Serial0 0 0 acl 11 NAT address group 1 no pat Serial0 0 0 acl 22 NAT address group 2 no pat Server in private network information InterfaceGlobalAddrGlobalPort InsideAddr InsidePort Pro Serial0 0 0201 119 11 380805 5 5 580 w...

Page 462: ... numbers of all addresses contained in an address pool cannot exceed 256 The address pool cannot be deleted if it has been correlated to some certain access control list to perform the address translation Example Configure an address pool from 202 110 10 10 to 202 110 10 15 with its NAT pool ID being 1 3Com nat address group 1 202 110 10 10 202 110 10 15 nat aging time Syntax nat aging time defaul...

Page 463: ... number can be translated by using address pool group number Using the undo nat outbound command you can remove the corresponding address translation Translation of the source address of the packet that conforms to the ACL is accomplished by configuring the association between the ACL and the address pool The system performs address translation by selecting one address in the address pool or by di...

Page 464: ...g address translation by using the IP address of interface Serial0 0 0 directly 3Com Serial0 0 0 nat outbound 1 Delete the corresponding configuration 3Com Serial0 0 0 undo nat outbound 1 nat server Syntax nat server vpn instance vpn instance name protocol pro type global global addr global port1 global port2 inside host addr1 host addr2 host port nat server vpn instance vpn instance name protocol...

Page 465: ...s defined by global port1 and global port2 pro type The protocol type carried by IP possibly being a protocol ID or a key word as a substitution For example icmp its protocol ID is 1 tcp its protocol ID is 6 udp its protocol ID is 7 Description Using the nat server command you can define the mapping table of an internal server Users can access the internal server with the address and port as host ...

Page 466: ...f10 can be removed 3Com Serial0 0 0 undo nat server protocol tcp global 202 110 10 11 8070 inside 10 110 10 11 ftp Specify an outside address as 202 110 10 10 and map the ports ranging from 1001 to 1100 to the addresses of 10 110 10 1 to 10 110 10 100 respectively to access ftp service inside VPN vrf10 202 110 10 10 1001 accesses 10 110 10 1 and 202 110 10 1002 accesses 10 110 10 2 etc 3Com Serial...

Page 467: ...eter interface type Interface type interface number Interface number Description Using the apply default output interface command you can set default forwarding interface for packets Using the undo apply default output interface command you can cancel the configuration of the default forwarding interface of packets This command is used to set forwarding interface for the matched IP packet and the ...

Page 468: ...next hop Syntax apply ip address next hop ip address ip address undo apply ip address next hop ip address ip address View Route policy view Parameter ip address IP address of next hop Description Using the apply ip address next hop command you can set the packet next hop Using the undo apply ip address next hop command you can cancel the configuration about the next hop This command is used to set...

Page 469: ... the preference of IP packet to 5 critical 3Com route policy apply ip precedence critical apply output interface Syntax apply output interface interface type interface number interface type interface number undo apply output interface interface type interface number interface type interface number View Route policy view Parameter interface type Interface type interface number Interface number Desc...

Page 470: ...st line is prompt information The first row shows where is used the routing policy indicated in the second row Take the first line as an example local indicates that the policy routing is used on the local router i e all packets sent from the local router not forward through it using the policy routing pr02 The second and third lines represent that the interfaces virtual template0 and Ethernet0 0 ...

Page 471: ...1 As shown above the policy routing has one 0 node and includes an if match clause and an apply clause For the accurate meanings of the if match clause and the apply clause you can refer to the configuration guide of the command The example shows how the option map tag is used display ip policy statistic Syntax display ip policy statistic policy tag local interface interface type interface number ...

Page 472: ...t exists 0 Fail for interface down 0 If the optional field verbose is added the more detail statistics of each apply clause in the policy routing will be displayed separately and the statistics of the forwarding errors has been classified if match acl Syntax if match acl acl number undo if match acl acl number View Route policy view Parameter acl number Address access control list number Descripti...

Page 473: ...ip local policy route policy policy tag undo ip local policy route policy policy tag View System view Parameter policy tag Policy name Description Using the ip local policy route policy command you can enable local policy routing Using the undo ip local policy route policy command you can delete the existing setting of the policy routing By default interface local policy routing is disabled This c...

Page 474: ...acl number ip address ip address undo apply ip address next hop acl acl number ip address ip address View Route policy view Parameter acl number Standard ACL number ranging from 1 to 99 ip address Specifies the next hop address Multiple next hop addresses can be specified Description Using the apply ip address command you can configure the next hop IP address list in a route node Using the undo ap...

Page 475: ...and It specifies outgoing interfaces for multicast policy routing through the ACL The action executed to packets that meet the if match conditions defined by the match clause is as follows If outgoing forwarding interfaces are set in the route node through the ACL the packets will be replicated and forwarded to all interfaces specified by the ACL For an outgoing interface the specified ACL is the ...

Page 476: ...interface interface name statistic interface interface name View Any view Parameter interface name Interface name Description Using the display ip multicast policy command you can view the multicast policy routing information Example Display the information about the multicast policy routing configured on interface Ethernet2 0 0 3Com display ip multicast policy setup interface ethernet2 0 0 route ...

Page 477: ...te policy policy name View Interface view Parameter policy name Specifies the name of a route policy which uniquely identifies one route policy Description Using the ip multicast policy route policy command you can enable a multicast policy routing on an interface Using the undo ip multicast policy route policy command you can remove a multicast policy route applied on the interface By default no ...

Page 478: ...the if match acl clause are invalid sequence number Identifies a node in the route policy When the route policy is used for routing information filtering the node with a smaller sequence number is tested first This parameter ranges from 0 to 65535 Description Using the route policy command you can configure a route policy node and enter the route policy view Using the undo route policy command you...

Page 479: ... 10 3Com route policy IPX Configuration Commands debugging ipx packet Syntax debugging ipx packet interface type interface num interface name undo debugging ipx packet interface type interface num interface name View User view Parameter interface type Interface type interface num Interface number interface name Interface name Description Using the debugging ipx packet command you can enable IPX pa...

Page 480: ...ng switch 3Com debugging ipx ping 0 15396012 IPX 8 IPXPING Ping receiving Request Src a 00e0 fc04 8859 Dst a 00e0 fc01 54f6 0 15396130 IPX 8 IPXPING Ping sending Response Src a 00e0 fc01 54f6 Dst a 00e0 fc04 8859 Table 8 Description of display information of the debugging ipx ping command Item Description pktlen Length of packet in decimal format not including MAC address header hops How many rout...

Page 481: ...xample Enable IPX RIP packet debugging switch 3Com debugging ipx rip packet Send RIP Response to Ethernet0 0 length 96 src a 00e0 fc01 5517 453 dst a ffff ffff ffff 453 Number of Entries in Pkt 8 Enable IPX RIP packet verbose debugging switch 3Com debugging ipx rip packet verbose Send RIP Response to Ethernet0 0 length 96 src a 00e0 fc01 5517 453 dst a ffff ffff ffff 453 Number of Entries in Pkt 8...

Page 482: ...1 0 18537610 3Com RMX 8 DBG IPXRM set a Rth on the flash list ulRthDest 0xb2 3Com 0 18537820 3Com RMX 8 DBG IPXRM finish a flash reset a Rth on the flash list ulRthDest 0xb2 3Com debugging ipx rtpro interface Syntax debugging ipx rtpro interface undo debugging ipx rtpro interface View User view Parameter None Description Using the debugging ipx rtpro interface command you can turn on the debugging...

Page 483: ...Serial1 turns into DOWN state 0 19023320 3Com RMX 8 DBG IPXRM recieve interface change msg msg type IPX_IF_DOWN if_index is 0x286 Interface name is Serial1 3Com Serial1 3Com Serial1 undo shut 3Com Serial1 Oct 24 14 11 34 2003 3Com PHY 2 PHY Serial1 change status to up Oct 24 14 11 34 2003 3Com IFNET 5 UPDOWN Line protocol on the interface Serial1 turns into UP state Oct 24 14 11 34 2003 3Com IFNET...

Page 484: ...0 0000 Interface a 00e0 fcfb 3a00 Serial1 Protocol Static Preference 60 Ticks 6 Hops 1 0 19579230 3Com RMX 8 DBG IPXRM route change to ACTIVE Dest d10 Nexthop 0 0000 0000 0000 Interface a 00e0 fcfb 3a00 Serial1 Protocol Static Preference 60 Ticks 6 Hops 1 debugging ipx sap packet Syntax debugging ipx sap packet verbose event undo debugging ipx sap packet verbose event View User view Parameter pack...

Page 485: ...ervices as possible Example Enable SAP packet verbose debugging switch 3Com debugging ipx sap packet verbose 0 20909856 IPXSAP 8 IPX SAP MSG Receive Response Packet From Eth0 Length 480 Src 000a 0000 0104 8f02 0452 Dest 000a ffff ffff ffff 0452 Number of entries in pkt 7 Server type 2000 PS1 0008 000a 000a 000a 0452 hop 3 Server type 2345 kkkkk 000d 0005 0005 0005 0452 hop 6 Server type 9000 kiran...

Page 486: ...the current interface Split horizon is Whether split horizon is enabled on the current interface The related com split horizon Update change only is Whether trigger update is enabled on the current interface The related co update change only Forwarding of IPX type 20 propagation packet is Whether IPX type 20 propagation packet is permitted to be forwarded on t related command is ipx netbios propag...

Page 487: ...can view active IPX routing information to specified destination network ID Using the display ipx routing table network verbose command you can view detailed IPX routing information to specified destination network ID including active and inactive routes Using the display ipx routing table protocol rip static default direct command you can view IPX routing information for specified destination typ...

Page 488: ...tive Destination Network ID 0x22 Protocol RIP Preference 100 Ticks 7 Hops 1 Nexthop 11 0000 0165 6401Time 15 Interface 11 0000 0165 6400 Serial0 State Active Destination Network ID 0x33 Protocol Direct Preference 0 Ticks 1 Hops 0 Nexthop 0 0000 0000 0000Time 0 Interface 33 0000 0165 6400 Ethernet0 State Active Destination Network ID 0x100 Protocol Static Preference 60 Ticks 6 Hops 1 Nexthop 0 0000...

Page 489: ... network network order network type inactive verbose View Any view Parameter type Displays information for specified service type ID service type The type of service name Displays information for specified server name name Name of the server network Displays service information of the server on specified network segment network The network ID of the network segment order Displays service informati...

Page 490: ...000d 0003 0003 0003 0452 500 06 Eth1 0 0 Display contents of service information table of type 5 3Com display ipx service table type 5 Abbreviation S Static Pref Preference Decimal NetId Network number NodeId Node address hop Hops Decimal Recv If Interface from which the service is receieved Name Type NetId NodeId Sock Pref Hops Recv If Prn1 0005 000d 000a 000a 000a 0452 500 02 Eth1 0 0 Prn2 0005 ...

Page 491: ...sages which have local destinations 0 can not be dealt Total number of messages that can not be dealt with Sent Statistics for sent messages 0 forwarded Number of messages which need to be forwarded 0 generated Number of messages which are sent by router itself 0 no route Number of messages which do not find routes 0 discarded Number of messages discarded during sending RIP Statistics for RIP mess...

Page 492: ...estore any IPX configuration Example Enable IPX 3Com ipx enable Disable IPX 3Com undo ipx enable ipx encapsulation Syntax ipx encapsulation dot2 dot3 ethernet 2 snap undo ipx encapsulation View Ethernet Interface view Parameter dot2 Encapsulation format is Ethernet_802 2 dot3 Encapsulation format is Ethernet_802 3 ethernet 2 Encapsulation format is Ethernet_II snap Encapsulation format is Ethernet...

Page 493: ...than forwarded IPX type 20 packet is a packet for NetBIOS Network Basic Input Output System defined by Novell NetWare Example Enable the receipt and forwarding of type 20 broadcast packets 3Com Ethernet 0 1 0 ipx netbios propagation Disable the receipt and forwarding of type 20 broadcast packets 3Com Ethernet 0 1 0 undo ipx netbios propagation ipx network Syntax ipx network network number undo ipx...

Page 494: ... ipx rip import route static command you can disable the importation of static routes Example Import a static route to RIP 3Com ipx rip import route static ipx rip mtu Syntax ipx rip mtu bytes undo ipx rip mtu View Interface view Parameter bytes Maximum RIP updating packet size in byte ranging from 432 to 1500 By default it is 432 Description Using the ipx rip mtu command you can configure RIP upd...

Page 495: ...ultiplier command you can restore the default configuration By default RIP aging period is 3 times of updating interval Routers may contain a timer for each item in their routing information table which keeps track of elapsed time since the route was received Every time the updating packet containing the routing information is received the timer is reset to zero If RIP route is not updated in a pe...

Page 496: ...t is an 8 bit hexadecimal number ranging from 1 to 0xFFFFFFFE network node The next hop address of IPX static route network is the network ID of the next hop node is a triplet of four bit hexadecimal numbers separated by each ranging from 1 to 0xFFFF interface type Outgoing interface type only supporting the interface with PPP encapsulation It can be Serial or POS interface interface num Outgoing ...

Page 497: ...tination network ID being 3a outgoing interface being Serial1 0 0 ticks 10 hops 2 and preference 30 3Com ipx enable 3Com ipx route static 3a serial 0 0 0 tick 10 hop 2 preference 30 ipx route load balance path Syntax ipx route load balance path paths undo ipx route load balance path View System view Parameter paths The maximum equivalent route number to the same destination address ranging from 1 ...

Page 498: ...configured the newly found dynamic routes will not be added into the routing table discarded directly If the newly configured value is less than the original one the excessive routes in the current routing table will not be deleted until they get aging themselves or are deleted manually Example Configure the maximum dynamic route number to the same destination address to 200 3Com ipx route max res...

Page 499: ...0 ipx sap gns disable reply Re enable GNS reply on the interface Ethernet0 0 0 Ethernet0 0 0 undo ipx sap gns disable reply ipx sap gns load balance Syntax ipx sap gns load balance undo ipx sap gns load balance View System view Parameter None Description Using the ipx sap gns load balance command you can configure the router to respond GNS request in Round robin method i e all servers respond GNS ...

Page 500: ...gth is less than the present one the items in SIT will not be deleted If the service information item number for the same service type exceeds the maximum value configured the new service information will not be added Example Set the maximum length of service information reserve queue to 1024 3Com ipx sap max reserve servers 1024 ipx sap mtu Syntax ipx sap mtu bytes undo ipx sap mtu View Interface...

Page 501: ...the undo ipx sap multiplier command you can restore the default value of SAP aging period By default the aging period of SAP service information table items is 3 times of SAP updating interval For the related command see ipx sap timer update Example Set the aging period of SAP service information table items is 5 times of updating interval 3Com ipx sap multiplier 5 ipx sap timer update Syntax ipx ...

Page 502: ...igit hexadecimal numbers separated by socket It is represented by a 4 bit hexadecimal number ranging from 0x1 to 0xFFFF hop count The number of hops to the server in decimal ranging from 1 to 15 Note that hop count more than or equal to 16 implies the service is unreachable preference The preference of service information ranging from 1 to 255 The less the value the higher the preference By defaul...

Page 503: ...plit horizon on the current interface By default split horizon is enabled on the interface Split horizon is a way to avoid routing loops i e routing information received from an interface is not permitted to be sent from the interface The function does not take effect to point to point connection links Example Enable split horizon on the interface Ethernet1 1 0 3Com Ethernet1 1 0 ipx split horizon...

Page 504: ...e Using the undo ipx update change only command you can disable trigger update on the current interface By default trigger update is disabled on the interface IPX RIP and SAP periodically advertise updating broadcast packets Users can configure trigger update to avoid broadcast flood Example Enable trigger update on the interface Ethernet1 1 0 3Com Ethernet 1 1 0 ipx update change only Disable tri...

Page 505: ...0 a0b0 fefe reset ipx statistics Syntax reset ipx statistics View User view Parameter None Description Using the reset ipx statistics command you can clear IPX statistics by the system Example Clear IPX statistics 3Com reset ipx statistics reset ipx routing table statistics Syntax reset ipx routing table statistics protocol all default direct rip static View User view Parameter all Clears statisti...

Page 506: ...to State route active added deleted freed Direct 1 1 1 0 0 Static 9 9 14 5 5 RIP 0 0 0 0 0 Default 0 0 0 0 0 Total 10 10 15 5 5 3Com Clear the IPX static route 3Com reset ipx routing table statistics protocol static This will erase the specific routing counters information Are you sure Y N y 3Com The displayed statistical information shows that all three items add delete freed of static route have...

Page 507: ...e Ethernet interface of the same group number on the router can forward packets transparently But packets cannot be transferred transparently between the serial ports Each serial port only exchanges packet with the remote end Example Add the Serial1 0 0 into the DLSw bridge group numbered 20 3Com dlsw bridge group 20 3Com interface Serial1 0 0 3Com Serial1 0 0 bridge set 20 bridge set in the Ether...

Page 508: ...RZ coding scheme is generally used in our router The serial port coding scheme of some SNA devices is the NRZI coding scheme Therefore the coding scheme of the router needs to be changed according to the encoding of the connected device Example Configure the NRZI encoding on the Serial1 0 0 3Com Serial1 0 0 code nrzi debugging dlsw Syntax debugging dlsw circuit correlator tcp ip address undo debug...

Page 509: ... view Parameter all Enables all debuggings of the SDLC event Enables the SDLC event debugging packet Enables the SDLC packet debugging Description Using the debugging sdlc command you can enable the SDLC debugging Using the undo debugging sdlc command you can disable the SDLC debugging display dlsw bridge entry Syntax display dlsw bridge entry interface name interface type interface number View An...

Page 510: ...ax description Correlator Distinguish different IDs of the circuits Local addr LSAP Local MAC address with the lsap being the last SAP used by the local device Remote addr RSAP Remote MAC address with the rsap being the last SAP used by the remote device State State of the links Display the detail information of the virtual circuits 3Com display dlsw circuits verbose Correlator Local addr LSAP Rem...

Page 511: ...ax description Version number RFC 1795 Release number Release version of RFC 1795 Init Pacing Window Size of the initiated window Num of TCP sessions Number of TCP sessions Mac address exclusive Reachable MAC address registered in the router NetBIOS Name exclusive Reachable NetBIOS address registered in the router Mac address List Reachable MAC address list NetBIOS Name List Reachable NetBIOS addr...

Page 512: ...ISCONNECT 0 0 0 00 00 00 TCP 13 0 0 1 DISCONNECT 0 0 0 00 00 00 TCP 14 0 0 1 CONNECT 1897 1899 0 14 26 22 Syntax description TCP The mark indicates the connection can be created on the peer If there is no this mark before the TCP it indicates it is an inactivated backup peer Peers The IP address used by PEER State The PEER state pkts_rx The number of packets received by PEER pkts_tx The number of ...

Page 513: ...cified bridge group to the remote end through the TCP connection a local bridge group needs to be connected with the DLSw by using this command that is packets of the local bridge group can be sent to the remote end through the TCP tunnel This command can be used many times to connect many bridge groups with the DLSw and make them all capable of joining the forwarding through the TCP tunnel Exampl...

Page 514: ...11454 or 17800 bytes max window size Size of the maximum local response window ranging from 1 to 2000 permit dynamic Permits unpreconfigured remote router to initiate connections and dynamically create peers The remote peer is unnecessarily be configured on the local end using this parameter and the local peer waits for the connection initiated by the remote peer Description Using the dlsw local c...

Page 515: ...to 2000 linger minutes Linger time of the backup connection after the primary peer being disconnected ranging from 0 to 1440 minutes Description Using the dlsw remote command you can create the DLSw remote peer Using the undo dlsw remote command you can delete the remote peer The default priority is 3 The default keepalive interval is 30 seconds The default max frame size is 1500 bytes The default...

Page 516: ...ds cache seconds explorer seconds undo dlsw timer View System view Parameter connect seconds The holding time of a connection ranging from 1 second to 65535 seconds The default value is 300 seconds explorer wait seconds The waiting time of local explorer frames ranging from 1 second to 65535 seconds The default value is 30 seconds local pending seconds The local pending time ranging from 1 second ...

Page 517: ...eme of the synchronous serial port Using the undo idle mark command you can restore the default idle coding scheme of the synchronous serial port By default the synchronous serial port adopts the 7E coding scheme 3Com series routers encapsulate 7E in the packets to identify the free time of the SDLC serial interface but some SDLC devices adopt full 1 high level instead In order to be better compat...

Page 518: ... 0 0 as SDLC 3Com Serial1 0 0 link protocol sdlc llc2 max ack Syntax llc2 max ack length llc2 max ack View Ethernet Interface view Parameter length Length of the LLC2 advanced response window ranging from 1 to 127 Description Using the llc2 max ack command you can configure the length of the advance response window before the LLC2 sending the acknowledgement frame Using the undo llc2 max ack comma...

Page 519: ...s undo llc2 max transmission View Ethernet Interface view Parameter retries LLC2 retransmission times ranging form 1 to 255 Description Using the llc2 max transmission command you can configure the retransmission times of the LLC2 Using the undo llc2 max transmission command you can restore the default retransmission times of the LLC2 By default the LLC2 retransmission times are 20 times The LLC2 ...

Page 520: ...o 127 Description Using the llc2 receive window command you can configure the maximum packets that can be sent before the LLC2 receives the acknowledgement frame Using the undo llc2 receive window command you can restore the default value of the maximum packets that can be sent before the acknowledgement frame is received By default the length of the LLC2 local response window is 7 The LLC2 local ...

Page 521: ...eiving the information frames ranging from 1 to 60000ms Description Using the llc2 timer ack delay command you can configure the local acknowledgement delay time when the LLC2 receives information frames Using the undo llc2 timer ack delay command you can restore the default value of the local acknowledgement delay time when the LLC2 receives information frame By default the LLC2 local acknowledge...

Page 522: ...ing the llc2 timer poll command you can configure the P F waiting time of the LLC2 Using the undo llc2 timer poll command you can restore the default value of the LLC2 P F waiting time By default the LLC2 P F waiting time is 5000ms The LLC2 P F waiting time refers to the time of waiting for the acknowledgement frame after the frame P is sent Example Configure the LLC2 P F waiting time as 2000ms 3C...

Page 523: ...can clear the entry cache information in the DLSw bridge group Example Clear the entry cache information in the DLSw bridge group 3Com reset dlsw bridge entry reset dlsw circuits Syntax reset dlsw circuits circuit id View User view Parameter circuit id The virtual circuit ID of DLSw ranging from 0 to 4294967295 Description Using the reset dlsw circuits command you can clear the DLSw virtual circui...

Page 524: ... primary device if any In this sense the SDLC devices in the same group can be guaranteed to communicate with each other normally only if the addresses of the secondary devices are specified This command specifies the SDLC address which is unique on a physical interface for the virtual circuit The configured SDLC address on synchronous serial interface is virtually the address of the SDLC secondar...

Page 525: ...dress on the transformation from the SDLC to the LLC2 When configuring the DLSw an SDLC address should be configured a related partner peer The MAC address of the partner peer should be the MAC address of the remote SNA device physical addresses of such devices as the Ethernet and the Token Ring or the MAC address of the peer end compounded by the SDLC Example Configure the SDLC peer 3Com Serial1 ...

Page 526: ... length sending the SDLC packet Using the undo sdlc max send queue command you can restore the default value of the queue length sending the SDLC packet By default the queue length sending the SDLC packet is 50 Example Configure the queue length sending the SDLC packet on the Serial1 0 0 as 30 3Com Serial1 0 0 sdlc max send queue 30 sdlc max transmission Syntax sdlc max transmission retries undo s...

Page 527: ...ly modulus 8 is selected Example Restore the default modulus of the SDLC 3Com Serial1 0 0 undo sdlc modulo sdlc sap map local Syntax sdlc sap map local lsap sdlc addr undo sdlc sap map local lsap sdlc addr View Synchronous serial interface view Parameter lsap The virtual SAP address set by the device connected with the local interface sdlc addr The SDLC address Description Using the sdlc sap map l...

Page 528: ...ote command you can restore the default value When the SDLC packet is translated into the LLC2 packet the SAP address is needed besides the MAC address Generally speaking the SAP address of the SNA protocol is 0x04 or 0x08 or 0x0C For related configuration please see sdlc sap map local Example Configure the remote DLSw device SAP address when SDLC is translated into LLC2 3Com Serial1 0 0 sdlc sap ...

Page 529: ...k layer protocol in unbalanced mode That is the statuses of the devices on the two connected ends are unequal one is primary and the other is secondary The primary side being the primary station whose role is primary plays the dominant role and controls the whole connection process While the other side being the secondary station whose role is secondary receives control passively Therefore the use...

Page 530: ...ng time mseconds as 2000ms 3Com Serial1 0 0 sdlc timer ack 2000 sdlc timer lifetime Syntax sdlc timer lifetime mseconds undo sdlc timer lifetime View Synchronous serial interface view Parameter mseconds The SDLC secondary station response waiting time ranging from 1 to 60000ms Description Using the sdlc timer lifetime command you can configure the SDLC secondary station response waiting time mseco...

Page 531: ...as 200ms 3Com Serial1 0 0 sdlc timer poll 200 sdlc window Syntax sdlc window length undo sdlc window View Synchronous serial interface view Parameter length Length of the SDLC local response window ranging from 1 to 7 Description Using the sdlc window command you can configure the length of the SDLC local response window Using the undo sdlc window command you can restore the default length of the ...

Page 532: ... can delete the XID of the SDLC By default the synchronous serial interface has no XID of the SDLC The XID is the ID of a device in the SNA world Generally speaking there are two kinds of devices PU2 0 and PU2 1 The XID has been automatically configured on the PU2 1 devices and they can announce their IDs by exchanging the XID The PU2 0 devices did not exchange the ID so they can not get ID automa...

Page 533: ... address mask length protocol preference cost next hop and output interface Only current used route i e best route is displayed via the display ip routing table command Example View the summary of current routing table 3Com 3Com display ip routing table Routing Table public net Destination Mask Proto Pre Cost Nexthop Interface 1 1 1 0 24 DIRECT 0 0 1 1 1 1 Interface serial1 0 0 1 1 1 1 32 DIRECT 0...

Page 534: ...he input basic ACL number or name The command is only applicable to view the route that passed basic ACL filtering rules Example View the summary of active routes that are filtered through basic ACL 1 3Com display ip routing table acl 1 Routes matched by access list 1 Summary count 4 Destination MaskProtoPreCost NexthopInterface 127 0 0 0 8Direct00127 0 0 1InLoopBack0 127 0 0 1 32Direct00127 0 0 1...

Page 535: ...t mask IP address mask which can be in dotted decimal notation or represented by an integer in the range of 0 to 32 longer match Indicates all route destination addresses are matched in the natural mask range verbose With the verbose parameter this command displays the verbose information of both the active and inactive routes Without the parameter this command only displays the summary of active ...

Page 536: ... detailed information 3Com display ip routing table 169 0 0 0 verbose Routing Tables Generate Default no Active Route Last Active Both Next hop in use Summary count 2 Destination 169 0 0 0Mask 255 0 0 0 Protocol StaticPreference 60 NextHop 2 1 1 1Interface 2 1 1 1 LoopBack1 Vlinkindex 0 State Int ActiveU Static Unicast Age 3 47Metric 0 0 Destination 169 0 0 0Mask 255 254 0 0 Protocol StaticPrefere...

Page 537: ...0 24 Routing tables Summary count 3 Destination Mask Proto Pre Cost Nexthop Interface 1 1 1 0 24 DIRECT 0 0 1 1 1 1 Interface serial1 0 0 1 1 1 1 32 DIRECT 0 0 127 0 0 1 InLoopBack0 2 2 2 0 24 DIRECT 0 0 2 2 2 1 Interface serial2 0 0 display ip routing table ip prefix Syntax display ip routing table ip prefix ip prefix name verbose View Any view Parameter ip prefix name Prefix list name verbose Wi...

Page 538: ... NextHop 127 0 0 1Interface 127 0 0 1 InLoopBack0 Vlinkindex 0 State NoAdvise Int ActiveU Retain Multicast Unicast Age 3 47Metric 0 0 Destination 127 0 0 1Mask 255 255 255 255 Protocol DirectPreference 0 NextHop 127 0 0 1Interface 127 0 0 1 InLoopBack0 Vlinkindex 0 State NotInstall NoAdvise Int ActiveU Retain Gateway Multicast Unicast Age 3 47Metric 0 0 Destination 179 0 0 0Mask 255 0 0 0 Protocol...

Page 539: ...scription Using the display ip routing table protocol command you can view the routing information of specified protocol Example Display all direct connection routes summary 3Com display ip routing table protocol direct DIRECT Routing tables Summary count 4 DIRECT Routing tables status active Summary count 3 Destination MaskProto Pre Cost NexthopInterface 20 1 1 1 32DIRECT 00127 0 0 1InLoopBack0 1...

Page 540: ...2 20 1 1 1 display ip routing table statistics Syntax display ip routing table statistics View Any view Parameter None Description Using the display ip routing table statistics command you can view the integrated routing information The integrated routing information includes total route amount the route amount added or deleted by protocol amount of the routes that are labeled deleted but not dele...

Page 541: ...ing the display ip routing table verbose command Example Display the verbose routing table information 3Com display ip routing table verbose Routing Tables Generate Default no Active Route Last Active Both Next hop in use Destinations 4 Routes 4 Holddown 0 Delete 9 Hidden 0 Destination 127 0 0 0 Mask 255 0 0 0 Protocol Static Preference 0 NextHop 127 0 0 1 Interface 127 0 0 1 LO0 State NoAdv Int A...

Page 542: ...xt hop in use Summary count 2 Destination 10 1 1 1 Mask 255 255 255 255 Protocol DIRECT Preference 0 NextHop 127 0 0 1 Interface 127 0 0 1 InLoopBack0 Vlinkindex 0 State NoAdvise Int ActiveU Retain Gateway Unicast Age 54 Cost 0 0 Destination 10 1 1 0 Mask 255 255 255 0 Protocol DIRECT Preference 0 NextHop 10 1 1 1 Interface 10 1 1 1 LoopBack0 Vlinkindex 0 State Int ActiveU Retain Unicast Age 54 Co...

Page 543: ...splay ip routing table and ip route static Example Delete all the static routes configured on router 3Com delete static routes all This will erase all unicast static routes and their configurations you must reconfigure all static routes Are you sure to delete all the static routes Y N y ip route static Syntax ip route static ip address mask mask length interface name nexthop address preference pre...

Page 544: ...ute In the application of multi role host you can configure a static route on a private network to specify the interface of another private network or public network as its outbound interface Using the undo ip route static vpn instance command you can remove the static route configuration By default the system can obtain the sub net route directly connected with the router When configuring a stati...

Page 545: ...he next hop of the default route as 129 102 0 2 3Com ip route static 0 0 0 0 0 0 0 0 129 102 0 2 Configure the static route whose destination address is 100 1 1 1 and whose next hop address is 1 1 1 2 3Com ip route static vpn instance vpn1 100 1 1 1 16 vpn instance vpn1 1 1 1 2 RIP Configuration Commands For the specific examples and parameter explanation of VPN instance refer to MPLS module of th...

Page 546: ...ion of receiving and sending RIP packets on each interface by using this command Example Enable the RIP packets debugging 3Com debugging rip packet default cost Syntax default cost value undo default cost View RIP view Parameter value Default routing cost to be set ranging from 1 to 16 The default value is 1 Description Using the default cost command you can configure the default routing cost of a...

Page 547: ...pdate timer 30 Timeout timer 180 Garbage collection timer 120 No peer router Table 2 Description of the output information of the display rip command display rip vpn instance Syntax display rip vpn instance vpn instance name View Any view Parameter vpn instance vpn instance name VPN instance name Item Description RIP is turned on RIP is enabled public net VPN Instance Public networks in the VPN in...

Page 548: ... to be filtered including direct isis bgp ospf ospf ase ospf nssa and static at present Description Using the filter policy export command you can configure to filter the advertised routing information by RIP Using the undo filter policy export command you can configure not to filter the advertised routing information By default RIP does not filter the advertised routing information For the relate...

Page 549: ...policy import command you can disable filtering to the received global routing information By default RIP does not filter the received routing information The range of the routes received by RIP can be controlled by specifying the access control list and the address prefix list For the related command see acl filter policy export and ip ip prefix Example Configure the filtering of the global routi...

Page 550: ...using a certain value RIP regards the imported route as its own route and transmits it with the specified value This command can greatly enhance the RIP capability of obtaining routes thus increasing the RIP performance If the cost value is not specified routes will be imported according to the default cost It is in the range of 1 to 16 If it is larger than or equal to 16 it indicates an unreachab...

Page 551: ...l the RIP on the interface By default RIP is disabled on any interface After enabling a RIP routing process it is disabled on any interface by default RIP at a certain interface must be enabled with the network command The undo network command is similar to the interface undo rip work command in terms of function But they are not identical Their similarity is that the interface using either comman...

Page 552: ...the sending destination address to fit some non broadcast networks Usually it is not recommended to use this command Example Specify the sending destination address 202 38 165 1 3Com rip peer 202 38 165 1 preference Syntax preference value undo preference View RIP view Parameter value Preference level ranging from 1 to 255 By default the value is 100 Description Using the preference command you ca...

Page 553: ...ip View system view Parameter None Description Using the rip command you can enable the RIP and enter the RIP view Using the undo rip command you can cancel RIP By default the system does not run RIP To enter the RIP view to configure various RIP global parameters RIP should be enabled first Whereas the configuration of parameters related to the interfaces is not restricted by enabling disabling R...

Page 554: ...entication RIP 1 does not support authentication There are two RIP authentication modes simple text authentication and MD5 cipher text authentication When MD5 cipher text authentication mode is used there are two types of packet formats One of them is described in RFC 1723 which was brought forward earlier The other format is the one described specially in RFC 2082 The router supports both of the ...

Page 555: ...ype nonstandard rip input Syntax rip input undo rip input View Interface view Parameter None Description Using the rip input command you can allow an interface to receive RIP packets Using the undo rip input command you can cancel an interface to receive RIP packets By default RIP packets at all interfaces except loopback interface can be received This command is used in cooperation with the other...

Page 556: ...al1 0 0 receives RIP packets 3Com interface serial1 0 0 3Com serial1 0 0 rip metricin 2 rip metricout Syntax rip metricout value undo rip metricout View Interface view Parameter value Additional route metric added when transmitting a packet ranging from 1 to 16 By default the value is 1 Description Using the rip metricout command you can configure the additional route metric to the route when an i...

Page 557: ...ol the receipt and the transmission of RIP packets respectively on an interface The former command equals the functional combination of the latter two commands For the related command see rip input and rip work Example Disable the interface serial1 0 0 to transmit RIP packets 3Com interface serial1 0 0 3Com serial1 0 0 undo rip output rip split horizon Syntax rip split horizon undo rip split horiz...

Page 558: ...you can restore the default value of RIP packet version on the interface By default the interface RIP version is RIP 1 RIP 2 has 2 transmission modes broadcast and multicast Multicast is the default mode The multicast address in RIP 2 is 224 0 0 9 One of the advantages of multicast mode is that the hosts that do not run RIP in this network will not receive the broadcast packets Additionally hosts ...

Page 559: ...ion Using the summary command you can enable RIP 2 automatic route summarization Using the undo summary command you can disable RIP 2 automatic route summarization By default RIP 2 route summarization is enabled Route aggregation can be performed to reduce the routing traffic on the network as well as to reduce the size of the routing table If RIP 2 is used route summarization function can be disa...

Page 560: ... values of timer Period update Timeout and Garbage collection are respectively 30s 180s and 120s Usually the timing length of timer Garbage collection is fixedly 3 times longer than that of timer Period update However in practice an unreachable route will not be completely deleted until the fourth update packet sent from the same neighbor is received So the actual timing length of timer Garbage co...

Page 561: ...e ABR and for each network segment configured with route aggregation there is only one route transmitted to other areas An area can configure multiple aggregation network segments Thus OSPF can aggregate various network segments together Example Aggregate the routes in the two network segments 36 42 10 0 and 36 42 110 0 of OSPF area 1 into one route 36 42 0 0 and transmit it to other areas 3Com os...

Page 562: ...mmand you can cancel the summarization By default summarization of imported routes is disabled After the summarization of imported routes is configured if the local router is an autonomous system border router ASBR this command summarizes the imported Type 5 LSAs in the summary address range When NSSA is configured this command will also summarize the imported Type 7 LSAs in the summary address ra...

Page 563: ...ured to support MD5 cipher text authentication mode For the related command see ospf authentication mode Example Enter area 0 view 3Com ospf 1 area 0 Specify the OSPF area 0 to support MD5 cipher text authentication 3Com ospf 1 area 0 0 0 0 authentication mode md5 debugging ospf Syntax debugging ospf process id event packet ack dd hello request update lsa generate spf te undo debugging ospf proces...

Page 564: ...ebugging state will not be kept after exiting the process either For the related command see display debugging ospf Example Enable the information debugging of OSPF packets 3Com debugging ospf packet default cost Syntax default cost value undo default cost View OSPF view Parameter value Default routing cost of external route imported by OSPF ranging from 0 to 16777214 By default its value is 1 Des...

Page 565: ... routes Example Specify the default interval for OSPF to import external routes as 10 seconds 3Com ospf 1 default interval 10 default limit Syntax default limit routes undo default limit View OSPF view Parameter routes Default value to the imported external routes in a unit time ranging from 200 to 2147483647 By default the value is 1000 Description Using the default limit command you can configur...

Page 566: ...mple Set the default tag of OSPF imported external route of the autonomous system as 10 3Com ospf 1 default tag 10 default type Syntax default type 1 2 undo default type View OSPF view Parameter type 1 External routes of type 1 type 2 External routes of type 2 Description Using the default type command you can configure the default type when OSPF redistributes external routes Using the undo defaul...

Page 567: ...ault cost command you can specify the cost of the default route transmitted by ABR to STUB or NSSA area This command is only valid for this process if multiple OSPF processes are enabled For the related commands see stub and nssa Example Set the area 1 as the STUB area and the cost of the default route transmitted to this STUB area to 60 3Com ospf 1 area 1 3Com ospf 1 area 0 0 0 1 network 20 0 0 0...

Page 568: ...BR as is similar to executing the import route command on an OSPF router But you cannot import the default route into the OSPF area with the import route command In addition the default route advertise command is not available for the Stub area For the ABR or ASBR in NSSA the default route advertise command is equivalent to the nssa default route advertise command in terms of effect This command i...

Page 569: ...Border Router ASBR of OSPF Example Display the information of the OSPF ABR and ASBR 3Com display ospf abr asbr Routing Table to ABR and ASBR Destination Area Cost Type Nexthop Interface Intra 1 2 3 9 0 0 0 0 1 ASBR 1 2 3 9 Ethernet2 0 0 display ospf asbr summary Syntax display ospf asbr summary ip address mask View Any view Parameter ip address Matched IP address in dotted decimal notation mask IP...

Page 570: ...fied this command displays the main information of all OSPF processes in configuration sequence Description Using the display ospf brief command you can view the summary of OSPF Example Display the OSPF summary 3Com display ospf brief RouterID 3 3 3 3 Border Router Area spf schedule interval 5 Routing preference Inter Intra 10 External 150 Default ASE parameters Metric 1 Tag 0 0 0 1 Type 2 SPF com...

Page 571: ...otocol Information RouterID 1 2 3 4 Spf schedule interval 5 Routing preference Inter Intra 10 External 150 Default ASE parameters Metric 1 Tag 0 0 0 1 Type 2 SPF computation count 0 Area Count 0 Nssa Area Count 0 display ospf cumulative Syntax display ospf cumulative View Any view Parameter None Description Using the display ospf cumulative command you can view the OSPF cumulative information Exam...

Page 572: ...nk0 OSPF bad authentication type 0 OSPF bad authentication key 0 OSPF packet too small 0 OSPF packet size ip length 0 OSPF transmit error 0 OSPF interface down0 OSPF unknown neighbor 0 HELLO netmask mismatch0 HELLO hello timer mismatch 0 HELLO dead timer mismatch0 HELLO extern option mismatch 0 HELLO router id confusion0 HELLO virtual neighbor unknown 0 HELLO NBMA neighbor unknown 0 DD neighbor st...

Page 573: ... summary ip address originate router ip address self originate View Any view Parameter area id ID of the OSPF area represented by decimal integer ranging from 0 to 4294967295 or in IP address format brief Brief database information asbr Database information of Type 4 LSA summary Asbr LSA ase Database information of Type 5 LSA AS external LSA network Database information of Type 2 LSA Network LSA n...

Page 574: ...ere ASE 1 1 0 0 1 1 1 1 561 36 80000001 1 Uninitialized ASE 123 1 1 1 1 1 1 1 561 36 80000001 1 Uninitialized Display the brief database information about OSPF connecting state 3Com display ospf lsdb brief OSPF Process 1 with Router ID 1 1 1 1 LS Database Statistics Area ID Stub Router Network S Net S ASBR Type 7 Subtotal 0 0 0 0 0 2 1 1 0 0 4 0 0 0 1 0 2 1 1 0 4 8 AS External 4 Total 0 4 2 2 0 4 ...

Page 575: ...spf lsdb router Link State Data Base Area 0 0 0 0 Type Router Ls id 20 0 0 1 Adv rtr 20 0 0 1 Ls age 988 Len 36 seq 80000006 chksum 0x428c Options DC ASBR Link count 1 Link ID 20 0 0 1 Data 20 0 0 1 Type TransNet Metric 10 Display database information of Type 2 LSA 3Com display ospf lsdb network OSPF Process 1 with Router ID 1 1 1 1 Link State Database Area 0 0 0 0 Type Net Ls id 1 1 1 2 Adv rtr 1...

Page 576: ...g Address 0 0 0 0 Tag 1 Display the LSA packets advertised from the router at 3 3 3 3 3Com display ospf lsdb originate router 3 3 3 3 Link State Database Area 0 0 0 0 Type LinkState ID AdvRouter Age Len Sequence Metric Where Stub 30 0 0 0 3 3 3 3 1 24 0 0 SpfTree SNet 40 0 0 0 3 3 3 3 1524 28 80000006 1562 Inter List Area 0 0 0 1 Type LinkState ID AdvRouter Age Len Sequence Metric Where Stub 40 0 ...

Page 577: ...here ASE 100 0 0 0 1 1 1 1 849 36 8000000a 2 Ase List ASE 1 1 0 0 1 1 1 1 737 36 8000000e 1 Ase List display ospf nexthop Syntax display ospf nexthop View Any view Parameter None Description Using the display ospf nexthop command you can view the information about the next hop Example Display the OSPF next hop information 3Com display ospf nexthop Address Type Refcount Intf Addr Intf Name 202 38 1...

Page 578: ...Area 0 0 0 0 interface 1 1 1 1 Serial2 0 0 s neighbor s RouterID 1 1 1 3 Address 1 1 1 3 State Full Mode Nbr is Master Priority 1 DR 1 1 1 3 BDR 1 1 1 1 Dead timer expires in 31s Neighbor is comes for 00 08 24 View the brief information of neighbors in areas 3Com display ospf peer brief OSPF Process 1 with Router ID 1 1 1 1 Neighbor Statistics Area ID Down Attempt Init 2 Way ExStart Exchange Loadi...

Page 579: ...n queue Example View the information about the OSPF retransmission queue 3Com display ospf retrans queue OSPF Process 200 with Router ID 103 160 1 1 Retransmit List The Router s Neighbors is RouterID 162 162 162 162 Address 103 169 2 2 Interface 103 169 2 5 Area 0 0 0 1 Retrans list Type ASE LSID 129 11 77 0 AdvRouter 103 160 1 1 Type ASE LSID 129 11 108 0 AdvRouter 103 160 1 1 display ospf routin...

Page 580: ...Hello 10 Dead 40 Poll 0 Retransmit 5 Transmit Delay 1 filter policy export Syntax filter policy acl number ip prefix ip prefix name export routing protocol undo filter policy acl number ip prefix ip prefix name export routing protocol View OSPF view Parameter acl number Access control list number ip prefix name Name of the address prefix list routing protocol Protocol advertising the routing infor...

Page 581: ...st used for filtering the addresses of the neighboring routers advertising the routing information Description Using the filter policy import command you can configure the OSPF rules of filtering the routing information received Using the undo filter policy import command you can cancel the filtering of the routing information received By default no filtering of the received routing information is...

Page 582: ...routes found by OSPF process id as external routing information If no process number is specified the OSPF default process number 1 is used ospf nssa process id Imports only the NSSA external routes found by OSPF process id as external routing information If no process number is specified the OSPF default process number 1 is used route policy route policy name Imports only the routes matching the ...

Page 583: ...d Otherwise the later configured command cannot be valid and the following will be displayed Network already set in OSPF process xx that is if network 10 1 0 0 0 0 255 255 is enabled in process 100 network 10 1 0 0 0 0 255 255 network 10 1 1 0 0 0 0 255 or network 10 0 0 0 0 255 255 255 will fail to be enabled in other OSPF processes CAUTION OSPF configuration can only enable the interfaces that b...

Page 584: ...LSAs for the default route only if there exists the default route 0 0 0 0 in the routing table no import route Forbids AS external routes to be imported in to the NSSA as Type 7 LSAs This parameters is available for the NSSA ABR and for the ASBR in OSPF AS to ensure all external route information is imported into the OSPF areas no summary Only available for the NSSA ABR When the parameter is selec...

Page 585: ...Number of OSPF If no process number is specified the default number 1 is used Description Using the ospf command you can enable the OSPF protocol Using the undo ospf command you can disable the OSPF protocol After enabling OSPF protocol the user can make the corresponding configuration in OSPF view By default the system does not run the OSPF protocol VRP supports OSPF multi process Multiple OSPF p...

Page 586: ...ommand you can configure the authentication mode and key between adjacent routers Using the undo ospf authentication mode command you can cancel the authentication key that has been set By default the interface does not authenticate the OSPF packets The passwords for authentication keys of the routers on the same network segment must be identical In addition using authentication mode command you c...

Page 587: ...pf dr priority value undo ospf dr priority View Interface view Parameter value Interface priority for electing the designated router ranging from 0 to 255 By default the value is 1 Description Using the ospf dr priority command you can configure the priority for electing the designated router on an interface Using the undo ospf dr priority command you can restore the default value Interface priori...

Page 588: ...ing 3Com undo ospf mib binding ospf mtu enable Syntax ospf mtu enable undo ospf mtu enable View Interface view Parameter None Description Using the ospf mtu enable command you can enable the interface to write MTU value when sending DD packets Using the undo ospf mtu enable command you can restore the default settings By default the MTU value is 0 when sending DD packets i e the actual MTU value o...

Page 589: ...nected NBMA network to p2mp network if the NBMA network is not fully meshed Point to point p2p If PPP or LAPB is adopted OSPF defaults the network type to p2p If there is a router not supporting multicast address on the broadcast network the interface network type can be changed to NBMA The interface network type can also be changed from NBMA to broadcast A network that can be called an NBMA netwo...

Page 590: ...ghbors means that within this interval if no Hello message is received from the neighbor the neighbor will be considered to be invalid The value of dead seconds should be at least 4 times of that of the Hello seconds The dead seconds for the routers on the same network segment must be identical For the related command see ospf timer hello Example Set the neighbor dead interval on the interface ser...

Page 591: ...ou can configure the poll Hello message interval on nbma and p2mp network Using the undo ospf timer poll command you can restore the default value On the nbma and p2mp network if a neighbor is invalid the Hello message will be transmitted regularly according to the poll seconds You can configure the poll seconds to specify how often the interface transmits Hello message before it establishes adjac...

Page 592: ...nterface serial1 0 0 3Com serial1 0 0 ospf timer retransmit 12 ospf trans delay Syntax ospf trans delay seconds undo ospf trans delay View Interface view Parameter seconds Transmitting delay of LSA on an interface It is in seconds and ranges from 1 to 3600 By default the value is 1 second Description Using the ospf trans delay command you can configure the LSA transmitting delay on an interface Us...

Page 593: ...rs cannot be found dynamically by advertising Hello messages Example Configure the IP address of peer router as 10 1 1 1 3Com ospf 1 peer 10 1 1 1 preference Syntax preference ase value undo preference ase View OSPF view Parameter value OSPF protocol route preference ranging from 1 to 255 ase Preference of an imported external route of the AS Description Using the preference command you can config...

Page 594: ... and clear statistics data Using the parameter of statistics to reset statistics about OSPF Using the reset ospf command to reset the OSPF process the following results are expected Clear invalid LSA immediately without waiting for LSA timeout If the Router ID changes a new Router ID will take effect by executing the command Re elect DR and BDR conveniently OSPF configuration will not be lost if t...

Page 595: ...erface might as well be selected as the ID of this router The modified router ID will not be valid unless OSPF is re enabled For the related command see ospf Example Set the router ID to 10 1 1 3 3Com router id 10 1 1 3 silent interface Syntax silent interface interface type interface number undo silent interface interface type interface number View OSPF view Parameter interface type Specifies the...

Page 596: ...f SNMP TRAP packet transmitted by OSPF It can be the keyword in the following table Table 3 SNMP TRAP type keywords keyword description ifauthfail Enables the InterfaceAuthenticationFailure trap packets ifcfgerror Enables the InterfaceConfigError trap packets ifrxbadpkt Enables the InterfaceRecieveBadPacket trap packets ifstatechange Enables the InterfaceStateChange trap packets iftxretransmit Ena...

Page 597: ...al SPF calculation interval of OSPF which is in seconds in the range of 1 to 10 The default value is 5 seconds Description Using the spf schedule interval command you can configure the route calculation interval of OSPF Using the undo spf schedule interval command you can restore the default setting According to the Link State Database LSDB the router running OSPF can calculate the shortest path t...

Page 598: ...conds Interval that router transmits hello message It ranges from 1 to 8192 seconds This value must equal the hello seconds value of the router virtually linked to the interface By default the value is 10 seconds retransmit seconds Specifes the interval for re transmitting the LSA packets on an interface It ranges from 1 to 8192 seconds By default the value is 5 seconds trans delay seconds Specife...

Page 599: ...igure the parameters such as hello retransmit and trans delay on it One thing should be mentioned When configuring virtual link authentication authentication mode command is used to set the authentication mode as MD5 cipher text or simple text on the backbone network For the related command see authentication mode and display ospf Example Create a virtual link to 10 110 0 3 and use the MD5 cipher ...

Page 600: ...cation type as simple 3Com isis 3Com isis area authentication mode simple hello cost style Syntax cost style narrow wide compatible narrow compatible wide compatible relax spf limit View IS IS view Parameter narrow Only receives sends packets whose cost type is narrow wide Only receives sends packets whose cost type is wide compatible Receives sends packets whose cost type is narrow or wide narrow...

Page 601: ... content snp packet spf event spf summary spf timer task error timer update packet View User view Parameter adjacency IS IS adjacency related packets all All IS IS related debugging information authentication error IS IS authentication errors checksum error IS IS checksum errors circuit information Information about IS IS enabled interface configuration error IS IS configuration errors datalink re...

Page 602: ...outers Using the undo default route advertise command you can cancel this configuration By default Level 2 router generates the default route This command can be set on Level 1 router or Level 2 router By default the default route is generated on L2 LSP If apply isis level 1 is set in route policy view the default route will be generated on L1 LSP If apply isis level 2 command is used in route pol...

Page 603: ...Up Up 1497 L12 No No Display the details of the IS IS enabled interface 3Com display isis interface verbose Interface IP Address Id Link Sta IP Sta MTU Type DR Ethernet1 0 0 2 1 1 12 001 Up Up 1497 L12 No No Secondary IP Address es Csnp Interval L110L210 Hello Interval L110L210 Hold Time L1 30 L2 30 Lsp Interval 1 Cost L110L210 Priority L164L264 Retransmit Interval 5 display isis lsdb Syntax displ...

Page 604: ...face Example Add Interface serial1 0 0 and Interface serial2 0 0 running IS IS into mesh group 100 3Com Serial1 0 0 isis mesh group 100 3Com Serial1 0 0 interface Interface serial2 0 0 3Com Serial2 0 0 isis mesh group 100 Display the information of IS IS mesh group 3Com serial2 0 0 display isis mesh group Serial1 0 0 100 Serial2 0 0 100 display isis peer Syntax display isis peer verbose View Any v...

Page 605: ...25 30 0001 0002 0002 Ethernet1 0 0 002 Up 27s L1 0 Area Address 01 02 IP Address 175 1 19 22 Period 00 00 51 display isis route Syntax display isis route View Any view Parameter None Description Using the display isis route command you can view IS IS routing information Example View the output information of display isis route command 3Com display isis route ISIS Level 1 Forwarding Table Type D Di...

Page 606: ...lculation log of the IS IS Example View the output information of display isis spf log command 3Com display isis spf log Details of Level 1 SPF Run Trig Event No Of NodesDurationStartTime IS_SPFTRIG_ADJDOWN2023 10 54 IS_SPFTRIG_NEWADJ3023 10 54 IS_SPFTRIG_LSPCHANGE3023 10 54 IS_SPFTRIG_PERIODIC2023 10 37 IS_SPFTRIG_PERIODIC2023 10 52 IS_SPFTRIG_CIRC_UP3023 10 53 IS_SPFTRIG_CIRC_UP3023 10 53 IS_SPF...

Page 607: ...ved Level 2 routing packets LSP CSNP PSNP according to the pre defined mode and password Using the undo domain authentication mode command you can configure IS IS not to authenticate the said packets In default configuration the system will not authenticate the received Level 2 routing packets and there is no password By using this command you can discard all the Layer 2 routing packets whose area...

Page 608: ...ditions for the routing information to be advertised Only the routing information passing the filtering can be advertised For the related command see filter policy import Example Use acl 6 to filter the routes distributed by IS IS 3Com isis filter policy 6 export filter policy import Syntax filter policy acl number import undo filter policy acl number import View IS IS view Parameter acl number Sp...

Page 609: ...the packet is found not in consistent with the calculated result the LSP will be discarded without being processed Moreover if ignoring checksum error is set with the ignore lsp checksum error command the packet will be processed as a normal one even if the checksum error is found Example Configure to ignore the checksum error of LSP 3Com isis ignore lsp checksum error import route Syntax import r...

Page 610: ...tes you can specify to import the routes to Level 1 Level 2 or Level 1 2 IS IS regards all the routes imported into the routing domain as the external routes which describe the way how to select the routes to the destination outside the routing domain Example Import a static route with cost 15 3Com isis import route static cost 15 import route isis Syntax import route isis level 2 into level 1 acl...

Page 611: ...r the router And at last the isis enable command is used to enable each interface on which the IS IS process runs The IS IS protocol is actually enabled upon the completion of these configurations Only one IS IS routing process can be started on one router For the related commands see isis enable and network entity Example Start an IS IS routing process in which the system ID is 0000 0000 0002 and...

Page 612: ...mple Set the authentication password tangshi in simple text for the Level 1 neighboring relationship onInterface serial1 0 0 3Com interface serial1 0 0 3Com Serial1 0 0 isis authentication mode simple tangshi level 1 isis circuit level Syntax isis circuit level level 1 level 1 2 level 2 undo isis circuit level View Interface view Parameter level 1 Configures only Level 1 adjacency instead of Level...

Page 613: ...value Specifies the link cost used in the SPF calculation of corresponding level By default the value is 10 When the cost type is narrow its range is 1 through 63 when the cost type is wide its range is 1 to 16777215 level 1 Indicates that the link cost corresponds to Level 1 level 2 Indicates that the link cost corresponds to Level 2 Description Using the isis cost command you can configure the l...

Page 614: ...t the priority of Interface serial1 0 0 to 127 3Com interface serial1 0 0 3Com Serial1 0 0 isis dis priority127 level 2 isis enable Syntax isis enable tag undo isis enable tag View Interface view Parameter tag Name given to an IS IS routing process when executing isis command in the system view If not specified it is null Description Using the isis enable command you can configure this interface t...

Page 615: ...isis mesh group command you can add an interface to a specified mesh group Using the undo isis mesh group command you can cancel this interface from the mesh group By default the interface does not belong to any mesh group and floods LSP normally The interface beyond the mesh group floods the received LSP to other interfaces following the normal procedure This processing method applied to an NBMA ...

Page 616: ...to Level 1 and Level 2 and their intervals of sending CSNP packets must be set respectively Example Set the Level 2 CSNP packet to be transmitted every 15 seconds on the interface Serial1 0 0 3Com interface serial1 0 0 3Com Serial1 0 0 isis timer csnp 15 level 2 isis timer dead Syntax isis timer dead seconds level 1 level 2 undo isis timer dead level 1 level 2 View Interface view Parameter seconds...

Page 617: ... interval If neither Level 1 nor Level 2 is specified it is defaulted to Level 1 2 Hello message interval that is both Level 1 and Level 2 take effect Description Using the isis timer hello command you can configure the interval of sending hello message of corresponding level Using the undo isis timer hello command you can restore the default value that is 10 seconds On a broadcast link Level 1 an...

Page 618: ...e view Parameter seconds Specifies the retransmission interval of LSP packets with the range from 0 to 300 and the default value is 5 seconds Description Using the isis timer retransmit command you can configure the LSP retransmission interval over the point to point link Using the undo isis timer retransmit command you can restore the default setting Use this parameter cautiously when setting thi...

Page 619: ... to set the level of all the routers as Level 1 or Level 2 because it is not necessary for all the routers to maintain two identical databases You are recommended to set all the routers to Level 2 for convenient future extension when applying them to IP network For the related command see isis circuit level Example Set the current router to operate on Level 1 3Com isis 3Com isis is level level 1 l...

Page 620: ...It consists of three parts Part one is area ID which is variable 1 to 13 bytes and the area IDs of the routers in the same area are identical Part two is system ID 6 bytes of this router which must be unique in the whole area and backbone area Part three the last byte SEL whose value must be 00 Usually one router can be configured with one NET When the area is redesigned by combination or separati...

Page 621: ... IS as 25 3Com isis preference 25 reset isis all Syntax reset isis all View User view Parameter None Description Using the reset isis all command you can reset all the IS IS data This command is used when LSPs need refreshing immediately For example after area authentication mode and domain authentication mode commands are executed the old LSP still remain on the router For the related commands se...

Page 622: ... connected routes will not be ignored When the overload threshold is set other routers should not send this router the packets which should be forwarded by it Example Set overload flag bit on the current router 3Com isis set overload silent interface Syntax silent interface interface type interface number undo silent interface interface type interface number View IS IS view Parameter interface typ...

Page 623: ...tore the default setting When there are a large number of routes in the routing table this command can be used to set that CPU resources are released automatically after a certain number of routes are processed The unprocessed routes will be processed in one second The value of the parameter number can be adjusted according to the capacity of the routing table If the spf slice size command is also...

Page 624: ...as 1 In other cases the default setting should be used that is SPF runs to the end with no slice If the spf delay interval command is also configured when SPF calculation is run the SPF calculation will be paused if any setting item is met For the related command see spf delay interval Example Set the SPF duration time to 1 second 3Com isis spf slice size 1 summary Syntax summary ip address mask l...

Page 625: ... command you can restore the default value When a router generates the LSP of the system it will fill in the maximum lifetime of this LSP When other routers receive this LSP its lifetime will be reduced continuously as the time goes by If updated LSP has not been received before the old one times out this LSP will be deleted from the LSDB For the related command see timer lsp refresh Example Set t...

Page 626: ...and you can configure the interval for the SPF calculation Using the undo timer spf command you can restore the default setting In IS IS protocol when the LSDB of the corresponding level is changed SPF calculation is required However if the SPF calculation is performed too frequently the system efficiency will be lowered and a great number of resources on the network will be occupied SPF calculati...

Page 627: ...cancel the function By default there is no route aggregation The keywords are explained as follows Table 4 Functions of the keywords Example Establish an aggregated record in the BGP routing table 3Com bgp aggregate 192 213 0 0 255 255 0 0 Keywords Function as set Used to create an aggregated route whose AS path information includes detailed routes Use this keyword carefully when many AS paths nee...

Page 628: ...no load sharing is performed Different from IGP protocol there is no specific indication for BGP to perform load sharing The load sharing of BGP is implemented by changing its routing rules For the related command see display ip routing table Example Configure 2 routes to perform load sharing 3Com bgp 100 3Com bgp balance 2 bgp Syntax bgp as number undo bgp as number View System view Parameter as ...

Page 629: ...s the final route item You are not recommended to use this command unless you can make sure that the ASs adopt the same IGP and routing method Example Enable the comparison of the MED attribute values from different AS neighboring route paths 3Com bgp compare different as med confederation id Syntax confederation id as number undo confederation id View BGP view Parameter as number Number of the AS...

Page 630: ...tion 9 is a unified AS domain 3Com bgp 41 3Com bgp confederation id 9 3Com bgp confederation peer as 38 39 40 3Com bgp peer 10 1 1 1 as number 38 3Com bgp peer 200 1 1 1 as number 98 confederation nonstandard Syntax confederation nonstandard undo confederation nonstandard View BGP view Parameter None Description Using the confederation nonstandard command the router can be compatible with the AS c...

Page 631: ...belongs This configuration is invalid before this command is performed For the related commands see confederation nonstandard and confederation id Example Configure the confederation that contains AS 2000 and 2001 3Com bgp confederation peer as 2000 2001 dampening Syntax dampening half life reachable half life unreachable reuse suppress ceiling route policy policy name undo dampening View BGP view...

Page 632: ...debugging bgp all event keepalive open packet route refresh update receive send verbose View User view Parameter all Enables all BGP information debugging event Enables BGP event information debugging keepalive Enables BGP Keepalive packet information debugging open Enables BGP Open packet information debugging packet Enables BGP packet information debugging route refresh Enables BGP route refresh...

Page 633: ...parately to connect with external autonomous areas The command can be used to configure the default local preference of RTB as 180 so that the route via RTB is selected first when the same route goes through RTA and RTB at the same time 3Com bgp default local preference 180 default med Syntax default med med value undo default med View BGP unicast view BGP multicast view VPNv4 view VPN instance vi...

Page 634: ...sher vpn instance vpn instance name group group name View Any view Parameter group name A specified peer group vpn instance vpn instance name Name of vpn instance Description Using the display bgp group command you can view the information of peer groups Example View the information of the peer group aaa 3Com display bgp group aaa group aaa no as number still members in this group Description aaa ...

Page 635: ...gular expression View Any view Parameter as regular expression Matched AS path regular expression Description Using the display bgp paths command you can view the information about AS paths Example Display the information about the AS paths 3Com display bgp paths 600 Flags valid best D damped H history I internal S aggregate suppressed Id Hash Index References Aggregator Origin As Path 6 90 15 nul...

Page 636: ...33 1 1 2 3Com display bgp peer 133 1 1 2 verbose Peer 133 1 1 2 Local Unspecified Type External State Idle Flags Idled Last State NoState Last Event NoEvent Last Error None Options Configuration within the peer no export policy route policy no export policy ip prefix no export policy filter policy no export policy acl no import policy route policy no import policy ip prefix no import policy filter...

Page 637: ...able Example View all the BGP routing information 3Com display bgp routing table Flags valid best D damped H history I internal S aggregate suppressed Dest Mask Pref Next Hop Med Local Pref Origin As Path 1 1 1 0 24 10 10 10 1 IGP 200 1 1 2 0 24 10 10 10 1 IGP 200 1 1 3 0 24 10 10 10 1 IGP 200 2 2 3 0 24 10 10 10 1 INC 200 4 4 4 0 24 10 10 10 1 IGP 200 9 9 9 0 24 10 10 10 1 INC 200 10 10 10 0 24 0...

Page 638: ...IGP 200 2 2 3 0 24 256 10 10 10 1 0 INC 200 4 4 4 0 24 256 10 10 10 1 0 INC 200 9 9 9 0 24 256 10 10 10 1 0 INC 200 10 10 10 0 24 256 10 10 10 1 0 IGP 200 22 1 0 0 16 256 200 1 7 2 100 INC 200 88 1 0 0 16 60 0 0 0 0 IGP display bgp routing table cidr Syntax display bgp multicast vpnv4 all route distinguisher route distinguisher vpn instance vpn instance name routing table cidr View Any view Parame...

Page 639: ...scription Using the display bgp routing table community command you can view the routing information related to the specified BGP community number in the routing table Example Display the routing information matching the specified BGP community number 3Com display bgp routing table community 11 22 Flags valid best D damped H history I internal S aggregate suppressed Dest Mask Pref Next Hop Med Loc...

Page 640: ...0 2 2 3 0 24 256 10 10 10 1 0 INC 200 4 4 4 0 24 170 10 10 10 1 0 INC 200 9 9 9 0 24 256 10 10 10 1 0 INC 200 10 10 10 0 24 0 10 10 10 2 0 IGP 10 10 10 0 24 256 10 10 10 1 0 IGP 200 display bgp routing table dampened Syntax display bgp routing table dampened View Any view Parameter None Description Using the display bgp routing table dampened command you can view BGP dampened routes Example View B...

Page 641: ...xpression as path acl acl number network address mask longer match View Any view Parameter as regular expression Displays the route flap info matching AS path regular expression acl number Number of the specified AS path to be matched ranging from 1 to 199 network address Network IP address related to the flag information to be displayed mask Network mask longer match Displays the route flap infor...

Page 642: ...display bgp peer Example View the routing information advertised by BGP peer 10 10 10 1 3Com display bgp routing table peer 10 10 10 1 advertised Flags valid best D damped H history I internal S aggregate suppressed Dest mask Next Hop Med Local pref Origin As path 10 10 10 0 24 0 0 0 0 INC display bgp routing table regular expression Syntax display bgp multicast vpnv4 all route distinguisher route...

Page 643: ... field of routing information ranging from 1 to 19 protocol Routing information of which kind of route protocol to be filtered It includes direct ospf ospf ase ospf nssa isis rip and static at present Description Using the filter policy export command you can filter the advertised routes and only the routes passing the filter can be advertised by BGP Using the undo filter policy export command you...

Page 644: ...nd you can filter the received global routing information Using the undo filter policy import command you can remove the filtering to the received global routing information By default the received routing information is not filtered This command can be used to filter the routes received by BGP and determines whether to add the routes to the BGP routing table Example Display how to use acl 3 to fi...

Page 645: ... configured with different ingress policies Example Establish a peer group test 3Com bgp group test import route Syntax import route protocol med med value route policy route policy name undo import route protocol View BGP view Parameter protocol Specifies source routing protocols which can be imported which includes direct ospf ospf nssa ospf ase rip bgp and static at present med med value Specif...

Page 646: ...nn internet no export subconfed no advertise no export ip community list ext comm list number permit deny as regular expression undo ip community list stand comm list number ext comm list number View System view Parameter stand comm list number Number of the standard community list ranging from 1 to 99 ext comm list number Number of the extended community list ranging from 100 to 199 permit Permit...

Page 647: ...policy route policy name undo network ip address address mask route policy route policy name View BGP view Parameter ip address Network address that BGP advertises address mask Mask of the network address route policy name Route policy applied to advertised routes Description Using the network command you can configure the network routes advertised by the local BGP Using the undo network command y...

Page 648: ...view Parameter group name Specifies the name of peer group peer address Specifies the IP address of the peer number Specifies the repeating times of local AS number The range is 1 to 10 Description Using the peer allow as loop command you can configure the repeating time of local AS Using the undo peer allow as loop command you can remove the repeating time of local AS For the related command see ...

Page 649: ...P address of the peer acl number Specifies the filter list number of an AS regular expression The range is 1 to 199 import Import distribution list export Export distribution list Description Using the peer as path acl command you can specify BGP route filtering policy based on AS path list Using the undo peer as path acl command you can cancel the existing configuration By default the peer group ...

Page 650: ...P view Parameter group name Specifies the name of peer group Description Using the peer default route advertise command you can configure a peer peer group to import a default route for a peer Using the undo peer default route advertise command you can cancel the existing configuration By default a peer peer group does not import the default route For this command no default route is required in t...

Page 651: ...up1 description beijing1 peer ebgp max hop Syntax peer group name ebgp max hop ttl undo peer group name ebgp max hop View BGP view Parameter group name Specifies the name of peer group ttl Specifies the maximum hop value The range is 1 to 255 By default the value is 64 Description Using the peer ebgp max hop command you can allow establishing EBGP connection with the peer on indirectly connected n...

Page 652: ...fied peer peer group is disabled the router will not exchange routing information with the specified peer group Example Deactivate the specified peer 3Com bgp 180 3Com bgp peer 18 10 0 9 as number 180 3Com bgp undo peer 18 10 0 9 enable peer filter policy Syntax peer group name peer address filter policy list number import export undo peer group name peer address filter policy list number import e...

Page 653: ... peer group command you can delete the specified peer in the peer group In the unicast VPN INSTANCE address family view when adding a peer to an external peer group without specified AS number you should specify the peer AS number at the same time While it is unnecessary when adding the peer to an internal peer group or an external peer group with specified AS number In the multicast VPNv4 address...

Page 654: ...e ip prefix By default the route filtering policy of the peer peer group is not specified For the related command see ip ip prefix Example Configure the route filtering policy of the peer group based on the ip prefix 1 3Com bgp peer group1 ip prefix list1 import peer next hop local Syntax peer group name next hop local undo peer group name next hop local View BGP view Parameter group name Specifie...

Page 655: ... BGP during TCP connection setup Using the undo peer password command you can cancel the configuration By default BGP does not perform MD5 authentication when TCP connection is set up Once MD5 authentication is enabled both parties involved in the authentication must be configured with identical authentication modes and passwords Otherwise TCP connection will not be set up because of the failed au...

Page 656: ...blic as only peer reflect client Syntax peer group name reflect client undo peer group name reflect client View BGP view or VPNv4 view Parameter group name Specifies the name of peer group Description Using the peer reflect client command you can configure a peer peer group as the route reflector client Using the undo peer reflect client command you can cancel the existing configuration By default...

Page 657: ...the route coming from the peer group test 3Com bgp peer test route policy test policy import peer route update interval Syntax peer group name route update interval seconds undo peer group name route update interval View BGP view VPNv4 view VPN instance view Parameter group name Specifies the name of peer group seconds The minimum interval of sending UPDATE message The range is 0 to 600 By default...

Page 658: ...Keepalive interval for a peer group Using the undo peer timer command you can restore the interval default value The timer configured by using this command has a higher priority than the one configured by using the timer command Example Configure Keepalive and Holdtime intervals of the peer group test 3Com bgp peer test timer keep alive 60 hold 180 policy vpn target Syntax policy vpn target undo p...

Page 659: ...s The greater the preference value is the lower the preference is BGP defines two kinds of routes One is learned from external peer The other is learned from internal peer The preferences of the two routes can be different which can be set manually The system supports to configure different preferences for different sub address families including unicast address family and multicast address family...

Page 660: ...he undo reflector cluster id command you can remove the cluster ID of the route reflector By default each route reflector uses its Router ID as the cluster ID Usually there is only one route reflector in a cluster It is the router ID of the reflector to identify the cluster You can configure multiple route reflectors to improve the stability of the network If a cluster is configured multiple route...

Page 661: ...new policy Example Request all the peers to retransmit multicast routes 3Com refresh bgp all multicast import Retransmit all the routes to the CE peer 10 1 1 1 in VPN INSTANCE vpn1 3Com refresh bgp 10 1 1 1 vpn instance vpn1 export reset bgp Syntax reset bgp all peer address vpn instance vpn instance name View User view Parameter all Resets all the connections with BGP peer address Resets connecti...

Page 662: ...on of all the routes from this address mask Network mask Description Using the reset bgp flap info command you can reset the flap information of a route For the related command see dampening Example Clear the flap information of all the routes that go through filter list 10 3Com reset bgp flap info as path acl 10 reset bgp group Syntax reset bgp group group name vpn instance vpn instance name View...

Page 663: ...oute 3Com reset dampening 20 1 0 0 255 255 0 0 summary automatic Syntax summary automatic undo summary automatic View BGP unicast view BGP multicast view VPN instance view Parameter None Description Using the summary automatic command you can make automatic aggregation of sub network routes and disable it by using undo summary automatic command By default no automatic aggregation of sub network ro...

Page 664: ... Keep alive and Hold time timer as 30 seconds and 60 seconds 3Com bgp timer keep alive 30 hold 60 undo synchronization Syntax undo synchronization View BGP view VPN instance view Parameter None Description Using the undo synchronization command you can remove the synchronization between BGP and IBGP Example 3Com bgp undo synchronization MBGP Configuration Commands In the following command descript...

Page 665: ...figurations in the address family view and return to BGP unicast view The undo ipv4 family vpn instance vpn instance name command is used to remove the association between the specified VPN instance and IPv4 address family and delete all configurations in the address family and return to BGP unicast view The ipv4 family multicast command is used for multicast For relevant contents refer to MBGP Mu...

Page 666: ...iption Using the peer enable command you can enable the specified peer peer group and disable it by using undo peer enable command By default the unicast peer peer group of IPv4 address family is enabled and other peers peer groups are disabled Using this command you can enable disable the routing exchange between the peers peer groups By default the peer group of IPv4 unicast is enabled The undo ...

Page 667: ... default no AS number is set If the match condition of route policy is matched the AS attribute of the transmitting route will be changed At least 10 AS numbers can be added Example Add AS 200 in front of the original AS path in route policy 3Com route policy apply as path 200 apply community Syntax apply community aa nn no export sunconfed no export no advertise additive additive none undo apply ...

Page 668: ... setcommunity permit node 16 3Com route policy if match as path 8 3Com route policy apply community no export apply cost Syntax apply cost value undo apply cost View Routing policy view Parameter value Specifies the route cost value of route information Description Using the apply cost command you can set the route cost value of route information Using the undo apply cost command you can cancel th...

Page 669: ... list used for filtering ranging from 1 to 99 Description Using the apply ip address command you can set the next hop address of route information Using the undo apply ip address command you can cancel the apply clause By default no apply clause is defined One of the apply clauses of the route policy When this command is used for setting routing information attribute it sets the next hop address o...

Page 670: ...ply cost apply origin and apply tag Example Define an apply clause to set the imported route to Level 2 3Com route policy apply isis level 2 apply local preference Syntax apply local preference local preference undo apply local preference View Routing policy view Parameter local preference Newly set local preference Description Using the apply local preference command you can apply the local prefe...

Page 671: ...y local preference apply cost and apply tag Example Display how to define one apply clause When it is used for setting routing information attribute it sets the routing source of the routing information as igp 3Com route policy apply origin igp apply tag Syntax apply tag value undo apply tag View Routing policy view Parameter value Specifies the tag value of route information Description Using the...

Page 672: ...reater equal 17 less equel 18 display route policy Syntax display route policy route policy name View Any view Parameter route policy name Specifies displayed route policy name Description Using the display route policy command you can view the configured route policy Display all the configured route policy when no route policy name is specified For the related command see route policy Example Dis...

Page 673: ...ons for the routing information to be advertised Only the routing information passing the filtering can be advertised For the related command see filter policy import Example Define the filtering rules for advertising the routing information of RIP Only the routing information passing the filtering of address prefix list p1 will be advertised by RIP 3Com rip filter policy ip prefix p1 export filte...

Page 674: ...xample Define the filtering rule for receiving routing information of RIP Only the routing information filtered through the address prefix list p1 can be received by RIP 3Com rip filter policy ip prefix p1 import if match acl Syntax if match acl acl number undo if match acl acl number View Routing policy view Parameter acl number Specifies the number of the access control list used for filtering i...

Page 675: ...By default AS path list number is not matched This if match clause of route policy is used to filter BGP routing information The match condition is specified according to the AS path attributes of the routing information Example Define an as path numbered as 2 and allow the autonomous system number to contain the routing information of 200 and 300 Then define a route policy named test The node No ...

Page 676: ...tain the routing information of 100 and 200 Then the route policy named test is defined The node No 10 of the route policy defines a if match clause which quotes the definition of the community list 3Com ip community list 1 permit 100 200 3Com route policy test permit node 10 3Com route policy if match community 1 if match cost Syntax if match cost value undo if match cost View Routing policy view...

Page 677: ... no if match clause is defined This if match clause of the route policy is used to match the corresponding interface of the route next hop when it filters the route For the related command see if match acl if match ip prefix if match ip next hop if match cost if match tag route policy apply ip address apply cost apply local preference apply origin and apply tag Example Display how to define one if...

Page 678: ...e filtering of the prefix address list p1 to pass this if match clause 3Com route policy if match ip next hop ip prefix p1 if match ip prefix Syntax if match ip prefix ip prefix name undo if match ip prefix ip prefix name View Routing policy view Parameter ip prefix name Specifies the name of the prefix address list used for filtering Description Using the if match ip prefix command you can config...

Page 679: ...p prefix name Specifies an address prefix list name It identifies one address prefix list uniquely index number Identifies an item in the prefix address list The item with smaller index number will be tested first permit Specifies the match mode of the defined address prefix list items as permit mode In the permit mode if the IP address to be filtered is in the defined range it will not be tested ...

Page 680: ... specify network len as 0 0 0 0 0 it only matches the default route Specify network len as 0 0 0 0 0 less equal 32 to match all the routes Example Configure an address prefix list named p1 It permits the routes with the mask of 17 or 18 bits long and in network segment 10 0 192 0 8 to pass 3Com ip ip prefix p1 permit 10 0 192 0 8 greater equal 17 less equal 18 route policy Syntax route policy rout...

Page 681: ...ot pass the filtering of any nodes it cannot pass the filtering of this route policy For the related command see if match interface if match acl if match ip prefix if match ip next hop if match cost if match tag apply ip address apply local preference apply cost apply origin and apply tag Example Display how to configure one route policy policy1 whose node number is 10 and the match mode is permit...

Page 682: ...ecovers to a safety value connections of all the routing protocols will always recover when the idle memory of the router reduces to a lower limit the connection will be disconnected forcibly Using the memory auto establish disable command you can disable the above function Thus connections of all the routing protocols will not recover when the idle memory of the router recovers to a safety value ...

Page 683: ... a safety value By default when the idle memory of the router recovers to a safety value connections of all the routing protocols will always recover when the idle memory of the router reduces to a lower limit the connection will be disconnected forcibly Using the memory auto establish disable command you can disable the above function Using the memory auto establish enable command you can enable ...

Page 684: ...n the command and otherwise the configuration will fail For the related commands see memory auto establish disable memory auto establish enable memory safety and display memory limit Example Set the lower limit of the router idle memory to 25Mbytes 3Com memory limit 25 3Com 8 19 2002 16 35 41 RM 5 RTLOG You have changed the memory limit safety value Set the lower limit of the router idle memory to...

Page 685: ...nd and otherwise the configuration will fail For the related commands see memory auto establish disable memory auto establish enable memory limit and display memory limit Example Set the safety value of the router to 35Mbytes 3Com memory safety 35 3Com 8 19 2002 16 35 41 RM 5 RTLOG You have changed the memory limit safety value Set the lower limit of the router idle memory to 25Mbytes and the safe...

Page 686: ...686 CHAPTER 6 ROUTING PROTOCOL ...

Page 687: ...ax debugging multicast forwarding undo debugging multicast forwarding View User view Parameter None Description Using the debugging multicast forwarding command you can enable multicast packet forwarding debugging functions Using the undo debugging multicast forwarding command you can disable the debugging functions By default the debugging function is disabled Example Enable multicast packet forw...

Page 688: ...ging multicast status forwarding undo debugging multicast status forwarding View User view Parameter None Description Using the debugging multicast status forwarding command you can enable multicast forwarding status debugging functions Using the undo debugging multicast status forwarding command you can disable the debugging functions By default the multicast status debugging function is disabled...

Page 689: ...by virtual port number This information can be viewed via display pim interface command For the related command see display multicast routing table Example Display the multicast forwarding table information 3Com display multicast forwarding table display multicast routing table Syntax display multicast routing table group address mask mask mask length source address mask mask mask length incoming ...

Page 690: ... CACHE 0x8 and JOIN SUPP 0x10 All the flags are marked by binary bit In which RPT indicates the S G is in the shared tree status WC is the abbreviation of wildcard SPT indicates the shortest path tree NEG CACHE indicates the cache record that the downstream interface list is null JOIN SUPP indicates the prune suppression status Example Display the corresponding route entry information of multicast...

Page 691: ...Running config ip rpf route static 100 10 0 0 16 Ethernet0 0 0 preference 1 display multicast rpf info Syntax display multicast rpf info source address View Any view Parameter source address IP address of the multicast source Description Using the display multicast rpf info command you can view the Reverse Path Forwarding RPF routing information for specified multicast source Example Display all t...

Page 692: ...full reverse path 1 18 110 0 1 Incoming Interface Address 18 110 0 1 Previous Hop Router Address 18 110 0 2 Input packet count on incoming interface 0 Output packet count on outgoing interface 0 Total number of packets for this source group pair 0 Protocol PIM Forwarding TTL 0 Forwarding Code No error 2 18 110 0 2 Incoming Interface Address 11 110 0 2 Previous Hop Router Address 11 110 0 4 Input p...

Page 693: ...L 0 Forwarding Code No error multicast minimum ttl Syntax multicast minimum ttl ttl value undo multicast minimum ttl View Interface view Parameter ttl value The minimum TTL value ranging from 0 to 255 Description Using the multicast minimum ttl command you can configure the minimum TTL value for multicast forwarding Using the undo multicast minimum ttl command you can remove the minimum TTL value ...

Page 694: ...ulticast route limit Syntax multicast route limit limit View System view Parameter limit Limit of multicast routing table capacity ranging from 0 to MAX_MROUTE_LIMIT In which MAX_MROUTE_LIMIT differs with the different router types Description Using the multicast route limit command you can limit the multicast routing table capacity If the capacity exceeds the limit the router will discard protoco...

Page 695: ...t forwarding table Syntax reset multicast forwarding table statistics all group address mask group mask group mask length source address mask source mask source mask length incoming interface interface type interface number slot slot number View User view Parameter statistics If this parameter is used the statistics of MFC forwarding entries will be cleared Otherwise the MFC forwarding entries wil...

Page 696: ... forwarding entry whose group address is 225 5 4 3 from the MFC forwarding table 3Com reset multicast forwarding table 225 5 4 3 Clear the statistics of the forwarding entry whose group address is 225 5 4 3 from MFC forwarding table 3Com reset multicast forwarding table statistics 225 5 4 3 reset multicast routing table Syntax reset multicast routing table all group address mask group mask group m...

Page 697: ...ast forwarding table Example Clear the route entry whose group address is 225 5 4 3 from the multicast kernel routing table 3Com reset multicast routing table 225 5 4 3 IGMP Configuration Commands debugging igmp Syntax debugging igmp all event host packet timer undo debugging igmp all event host packet timer View User view Parameter all All the debugging information of IGMP event Debugging informa...

Page 698: ...ludes the multicast groups joined through IGMP and those joined statically through command lines by the downstream host For the related command see igmp host join Example Display the member information of the directly connected sub network 3Com display igmp group LoopBack0 20 20 20 20 Total 3 IGMP Groups reported Group Address Last Reporter Uptime Expires 225 1 1 1 20 20 20 20 00 02 04 00 01 15 22...

Page 699: ...the proxy will be displayed Example Display the IGMP configuration and running information on an interface 3Com display igmp interface Ethernet0 0 0 10 10 1 20 IGMP is enabled Current IGMP version is 2 Value of query interval for IGMP in seconds 60 Value of other querier time out for IGMP in seconds 120 Value of maximum query response time for IGMP in seconds 10 Policy to accept IGMP reports none ...

Page 700: ... 0 0 5 IGMP is disabled on interface igmp enable Syntax igmp enable undo igmp enable View Interface view Parameter None Description Using the igmp enable command you can enable IGMP on an interface Using the undo igmp enable command you can disable IGMP on an interface By default IGMP is disabled on an interface Only after multicast is enabled can this command take effect After this command is con...

Page 701: ...ite the previous one Example Limit the maximum number of IGMP groups joined on the interface Ethernet1 0 0 to 100 3Com Ethernet1 0 0 igmp group limit 100 igmp group policy Syntax igmp group policy acl number 1 2 undo igmp group policy View Interface view Parameter acl number Number of basic IP ACL defining the range of a multicast group The value ranges from 1 to 99 1 IGMP Version 1 2 IGMP Version...

Page 702: ...u can enable an interface of a router to join a multicast group Using the undo igmp host join command you can disable the configuration By default an interface does not join any multicast group On one router up to 1024 interfaces can be configured with igmp host join command at best For the related command see igmp group policy Example Configure Ethernet1 0 0 to join the multicast group 255 0 0 1 ...

Page 703: ...n the group it will send IGMP Membership Report packet within the maximum response time regulated by the packet If IGMP querier receives IGMP Membership Report packet from another host within the time robust value x seconds it will go on maintaining the group membership If not it will regard the group is timeout and stop maintaining the group membership The command is only valid when IGMP query ro...

Page 704: ... number Description Using the igmp proxy command you can specify an interface of a leaf network router as the IGMP proxy of another interface Using the undo igmp proxy command you can remove the configuration By default IGMP proxy function is disabled An interface cannot act as the IGMP proxy of two or more other interfaces at the same time If an interface is configured with IGMP proxy for multipl...

Page 705: ...via igmp robust count if the command is not configured robust value is 2 If another host receives the IGMP specified group query packet from IGMP querier and is interested in the group it will send IGMP Membership Report packet within the maximum response time regulated by the packet If IGMP querier receives IGMP Membership Report packet from another host within the time robust value x seconds it ...

Page 706: ...t time configured is less than the twice of query interval it may lead to the repeated changes of queriers in the network Example Configure the querier present time on the interface Ethernet1 0 0 to 200 seconds 3Com Ethernet1 0 0 igmp timer other querier present 200 igmp timer query Syntax igmp timer query seconds undo igmp timer query View Interface view Parameter seconds Interval at which the ro...

Page 707: ... itself Example Specify Ethernet1 0 0 to use IGMP Version 1 3Com Ethernet1 0 0 igmp version 1 reset igmp group Syntax reset igmp group all interface interface type interface number all group address group mask View User view Parameter all All IGMP groups interface interface type interface number Interface type and interface number group address IGMP group address group mask Network segment mask of...

Page 708: ...eeds in competition To prevent the valid BSR in the network from being maliciously replaced the following two measures should be taken Change RP mapping relationship to prevent the host from spoofing the router by counterfeiting valid BSR packet BSR packet is multicast packet with TTL of 1 so this kind of attack usually takes place on the edge router BSR is in the internal network and the host is ...

Page 709: ...mask len priority undo c bsr View PIM view Parameter interface type interface number Interface type and interface number of a router A candidate BSR is configured on this interface PIM SM must be enabled on this interface the configuration can take effect hash mask len Mask length The mask performs And operation with multicast address at first and then performs the operation of searching for RP Th...

Page 710: ...ange which is the service range of the advertised RP The value ranges from 1 to 99 priority value Priority of a candidate RP The larger the value is the lower the priority is The value ranges from 0 to 255 By default the value is 0 Description Using the c rp command you can configure the router to advertise itself as a candidate RP to BSR Using the undo c rp command you can remove the configuratio...

Page 711: ...o be configured on BSR router to restrict the range for valid C RP and the group address range it serves Each C BSR may become a BSR possibly so the same filter policy should be configured on each C BSR This command uses the ACL numbered from 100 to 199 The parameter source in the related rule command indicates C RP address and destination indicates the group range the C RP serves Upon matching th...

Page 712: ...pim common all debugging pim dm Syntax debugging pim dm alert all mrt timer warning recv send all assert graft graft ack join prune undo debugging pim dm alert all mrt timer warning recv send all assert graft graft ack join prune View User view Parameter all All the debugging information of PIM DM alert Debugging information of PIM DM interoperation event mrt Debugging information of PIM DM multic...

Page 713: ...ebugging information of PIM SM multicast boundary router event mrt Debugging information of PIM SM multicast routing table msdp Functions between PIM SM and MSDP timer Debugging information of PIM SM timer warning Debugging information of PIM SM warning message recv Debugging information of PIM SM receiving packets send Debugging information of PIM SM sending packets assert bootstrap crpadv jp reg...

Page 714: ...ation 3Com display pim bsr info Current BSR Address 20 20 20 30 Priority 0 Mask Length 30 Expires 00 01 55 Local host is BSR display pim interface Syntax display pim interface interface type interface number View Any view Parameter interface type interface number Interface type and interface number Description Using the display pim interface command you can view the PIM interface information Examp...

Page 715: ...face Name Uptime Expires 10 10 1 10 Ethernet1 0 0 00 41 59 00 01 16 display pim routing table Syntax display pim routing table g group address mask mask length mask incoming interface interface name null dense mode sparse mode display pim routing table rp rp address mask mask length mask incoming interface interface name null dense mode sparse mode display pim routing table source address mask mas...

Page 716: ...PF neighbor 0 0 0 0 Downstream interface list Ethernet0 0 0 Protocol 0x1 IGMP never timeout 225 1 1 1 RP 20 20 20 30 Protocol 0x20 PIMSM Flag 0x2003 RPT WC NULL_IIF UpTime 00 08 45 never timeout Upstream interface Null RPF neighbor 0 0 0 0 Downstream interface list Ethernet0 0 0 Protocol 0x1 IGMP never timeout Matched 0 S G entry 2 G entries 0 RP entry display pim rp info Syntax display pim rp inf...

Page 717: ... the configuration in PIM view The global parameter which is related with the PIM must be configured in PIM view Example 3Com system view 3Com multicast routing enable 3Com pim 3Com pim pim bsr boundary Syntax pim bsr boundary undo pim bsr boundary View Interface view Parameter None Description Using the pim bsr boundary command you can configure an interface to become the PIM domain boundary Usin...

Page 718: ...ou can enable PIM DM Using the undo pim dm command you can disable PIM DM By default PIM DM is disabled Once PIM DM is enabled on an interface PIM SM cannot be enabled on the same interface and vice versa Example Enable PIM DM on the interface Ethernet1 0 0 3Com multicast routing enable 3Com interface ethernet1 0 0 3Com Ethernet1 0 0 pim dm pim neighbor limit Syntax pim neighbor limit limit undo p...

Page 719: ...eter acl number Number of basic ACL The value ranges from 1 to 99 Description Using the pim neighbor policy command you can configure a router to filter the PIM neighbor of the current interface Using the undo pim neighbor policy command you can cancel the filtering Only the router which is permitted by ACL can act as PIM neighbor of the current interface while other routers cannot If this command...

Page 720: ...Ethernet1 0 0 pim sm pim timer hello Syntax pim timer hello seconds undo pim timer hello View Interface view Parameter seconds Interval of sending Hello message in second ranging from 1 to 18000 By default the value is 30 seconds Description Using the pim timer hello command you can configure the interval of sending PIM router Hello message Using the undo pim timer hello command you can restore th...

Page 721: ...ess in the range of 225 1 0 0 16 3Com system view 3Com acl number 110 3Com acl adv 110 rule permit ip source 10 10 0 0 255 255 0 0 destination 225 1 0 0 255 255 0 0 3Com acl adv 110 quit 3Com multicast routing enable 3Com pim 3Com pim register policy 110 reset pim neighbor Syntax reset pim neighbor all neighbor address interface interface type interface number View User view Parameter all All PIM ...

Page 722: ...can clear PIM route entry The sequence of group address and source address can be reversed but the input group address and source address must be valid Otherwise the system will prompt input error If group address is configured to 244 0 0 0 24 and source address to RP address in which group address may have mask but the calculation result of the two must be 224 0 0 0 while source address has no ma...

Page 723: ...L are configured all the multicast data packets received will be matched with source and group addresses The packet which does not pass the matching will be discarded This command filters not only multicast data but also the multicast data encapsulated in register packet If this command is executed repeatedly the new configuration will overwrite the previous one Example Configure to accept the mul...

Page 724: ...rce 3Com system view 3Com multicast routing enable 3Com pim 3Com pim spt switch threshold 4 static rp Syntax static rp rp address acl number undo static rp View PIM view Parameter rp address Static RP address This address must be valid unicast IP address and cannot be configured as the address in 127 network segment acl number Number of basic ACL used in controlling the multicast group range that ...

Page 725: ...ous one For the related command see display pim rp info Example Configure 10 110 0 6 as a static RP 3Com multicast routing enable 3Com pim 3Com pim static rp 10 110 0 6 MSDP Configuration Commands cache sa enable Syntax cache sa enable undo cache sa enable View MSDP view Parameter None Description Using the cache sa enable command you can enable the router to cache SA state Using the undo cache sa...

Page 726: ...tive MSDP source Description Using the debugging msdp command you can enable MSDP debugging functions Using the undo debugging msdp command you can disable MSDP debugging functions By default MSDP debugging functions are disabled Example Enable all common MSDP debugging functions 3Com debugging msdp all display msdp brief Syntax display msdp brief View Any view Parameter None Description Using the...

Page 727: ...umber of discarded output messages 0 Elapsed time since last connection or counters clear 14 42 40 Information about Source Group based SA filtering policy Import policy none Export policy none Information about SA Requests Policy to accept SA Request messages none Sending SA Requests status disable Minimum TTL to forward SA with encapsulated data 0 SAs learned from this peer 0 SA cache maximum fo...

Page 728: ...0 10 BGP 100 00 00 10 00 05 50 10 10 1 3 225 1 1 1 10 10 10 10 BGP 100 00 00 11 00 05 49 10 10 1 2 225 1 1 2 10 10 10 10 BGP 100 00 00 11 00 05 49 10 10 2 1 225 1 1 2 10 10 10 10 BGP 100 00 00 11 00 05 49 10 10 1 2 225 1 2 2 10 10 10 10 BGP 100 00 00 11 00 05 49 MSDP matched 5 entries display msdp sa count Syntax display msdp sa count autonomous system number View Any view Parameter autonomous sys...

Page 729: ...ntries in the domain need to be advertised when a MSDP originates an SA message Using the undo import source command you can remove the configuration By default all the S G entries in the domain are advertised by the SA message Besides controlling SA messages creation you can filter the forwarded SA messages by the commands peer sa policy import and peer sa policy export Example Configure which S ...

Page 730: ...that are traced ranging from 1 to 255 By default the value is 16 next hop info Flag bit for collecting the next hop information sa info Flag bit for collecting SA entity information peer info Flag bit for collecting MSDP peer information skip hops Number of hops that are skipped before collecting detailed information ranging from 0 to 255 By default the value is 0 Description Using the msdp tracer...

Page 731: ...rforms Peering session with Peer RPF neighbor in minute with the maximum value of 255 Cache Entry Uptime Present time of S G RP entry in SA cache of the local router in minute with the maximum value of 255 D bit 1 S G RP entry existing in SA cache of the local router But the RP is different from the RP specified in the request message RP bit 1 The local router is an RP but it is not necessarily th...

Page 732: ...iew 3Com msdp 3Com msdp originating rp ethernet 1 0 0 peer Syntax peer peer address connect interface interface type interface number undo peer peer address View MSDP view Parameter peer address Address of MSDP peer connect interface interface type interface number Interface type and number whose primary address is used by the local router as the source IP address to establish TCP connection with ...

Page 733: ... you can remove the descriptive text configured By default an MSDP peer has no descriptive text Administrator can conveniently differentiate MSDP peers by configuring descriptive text For the related command see display msdp peer status Example Add descriptive text CstmrA to router 125 10 7 6 to specify that the router is Client A 3Com system view 3Com msdp 3Com msdp peer 125 10 7 6 description ro...

Page 734: ...he MSDP peer to which the TTL limitation applies ttl TTL threshold ranging from 0 to 255 Description Using the peer minimum ttl command you can configure the minimum TTL Time to Live value of the multicast data packets encapsulated in SA messages to be sent to specified MSDP peer Using the undo peer minimum ttl command you can restore the default TTL threshold By default the value of TTL threshold...

Page 735: ... 7 6 3Com system view 3Com msdp 3Com msdp peer 125 10 7 6 request sa enable peer sa cache maximum Syntax peer peer address sa cache maximum sa limit undo peer peer address sa cache maximum View MSDP view Parameter peer address Address of MSDP peer sa limit Maximum value that the SA cache allows ranging from 1 to 2048 Description Using the peer sa cache maximum command you can limit the number of c...

Page 736: ...ified all S G entries are filtered Description Using the peer sa policy command you can configure a filter list for SA messages received or forwarded from the specified MSDP peer Using the undo peer sa policy command you can remove the configuration By default messages received or forwarded will not be filtered All SA messages are received or forwarded from an MSDP peer For the related command see...

Page 737: ...ed If ACL is specified only those SA request messages from the groups permitted by the ACL will be processed and all the others will be ignored For the related command see peer Example Configure the ACL for filtering SA request messages from the MSDP peer 175 58 6 5 The SA request messages from group address range 225 1 1 0 8 will be received and all the others will be ignored 3Com system view 3Co...

Page 738: ...he sa enable and display msdp sa cache Example Clear the cache entries with group address 225 5 4 3 from the SA cache 3Com reset msdp sa cache 225 5 4 3 reset msdp statistics Syntax reset msdp statistics peer address View User view Parameter peer address Address of the MSDP peer whose statistics resetting information and input output information will be cleared If no MSDP peer address is specified...

Page 739: ... RP in SA messages If the parameter is not specified all SA messages from static RPF peer will be accepted If the parameter rp policy list is specified and filter policy is configured the router will only accept SA messages from the RP which passes filtering If no filter policy is configured the router will still accept all SA messages from the static RPF peer Description Using the static rpf peer...

Page 740: ... Parameter seconds Value of connection request re try period in second ranging from 1 to 60 Description Using the timer retry command you can configure the value of connection request re try period Using the undo timer retry command you can restore the default value By default the value of connection request re try period is 30 seconds For the related command see peer Example Configure the connect...

Page 741: ...rigin policy Filters the detailed route involved in aggregation suppress policy Detailed route determined is not advertised Description Using the aggregate command you can create a multicast aggregated record in the BGP routing table Using the undo aggregate command you can remove the aggregation By default no route is aggregated Using the aggregate command without parameters you can create one lo...

Page 742: ... information about all peer groups will be displayed Description Using the display bgp multicast group command you can view the information about peer groups Example Display the information about the peer group named my_peer 3Com display bgp multicast group my_peer display bgp multicast network Syntax display bgp multicast network View Any view Parameter None Description Using the display bgp mult...

Page 743: ... display bgp multicast routing table cidr View Any view Parameter None Description Using the display bgp multicast routing table cidr command you can view the routing information with non natural network mask i e classless inter domain routing CIDR Example Display CIDR routing information 3Com display bgp multicast routing table cidr display bgp multicast routing table community Syntax display bgp...

Page 744: ...cast routing table community list list number whole match View Any view Parameter list number Number of community list whole match Exact match Description Using the display bgp multicast routing table community list command you can view the routing information that is permitted by the MBGP community list Example Display the routing information that is permitted by the MBGP community list 3Com disp...

Page 745: ...ing information sent to the multicast neighbor 10 10 1 11 3Com display multicast routing table peer 10 10 1 11 advertised display bgp multicast routing table regular expression Syntax display bgp multicast routing table regular expression as regular expression View Any view Parameter as regular expression AS regular expression matched Description Using the display bgp multicast routing table regul...

Page 746: ...ue loaded by an imported route policy name Route policy used by an imported route Description Using the import route command you can import routing information from other protocols to BGP Using the undo import route command you can cancel the importing of routing information from other protocols By default BGP will not import routing information from other protocols Example Configure to import a s...

Page 747: ... you can configure the network addresses to be sent by the local BGP Using the undo network command you can remove the existing configuration By default the local BGP does not advertise any route Example Advertise routes to the network segment 10 0 0 0 16 3Com bgp af mul network 10 0 0 1 255 255 0 0 peer advertise community Syntax peer group name peer address advertise community undo peer group na...

Page 748: ...n the route update messages received in Hub Spoke networking mode By default the local AS number is unacceptable in the route update messages received For the standard BGP routing loop test is based on AS numbers But in Hub Spoke networking mode if EBGP runs between a PE and a CE the local AS number is contained in the PE s advertising routing information to the CE Then the PE will not be able to ...

Page 749: ...n AS path list Example Set BGP filter policy based on AS path list for the peer group 3Com bgp peer test as number 100 3Com bgp ipv4 family multicast 3Com bgp af mul peer test enable 3Com bgp af mul peer test as path acl 3 export peer enable Syntax peer group name peer address enable undo peer group name peer address enable View IPv4 multicast sub address family view Parameter peer address IP addr...

Page 750: ...cifies an import policy export Specifies an export policy Description Using the peer filter policy command you can set the filter policy list for a peer group Using the undo peer filter policy command you can remove the existing setting By default the peer group has no ACL For the related command see peer as path acl Example Set the filter policy list for a peer 3Com bgp peer test as number 100 3C...

Page 751: ...er policy based on the address prefix list for the peer 3Com bgp af mul peer group1 ip prefix list1 import peer next hop local Syntax peer group name peer address next hop local undo peer group name peer address next hop local View IPv4 multicast sub address family view Parameter group name Name of the peer group peer address IP address of the peer Description Using the peer next hop local command...

Page 752: ...vate AS number when sending update packets you can configure not to carry the private AS number when BGP sends update packets Example Configure not to carry private AS number when BGP sends update packets to peer group named test 3Com bgp af mul peer test public as only peer reflect client Syntax peer group name peer address reflect client undo peer group name peer address reflect client View IPv4...

Page 753: ...o the routes advertised to the peer group Description Using the peer route policy command you can configure route policy for the specified peer group Using the undo peer route policy command you can remove the route policy of the peer group By default no route policy is specified for the peer group Example Apply route policy policy 1 to the routes received from the peer group named test 3Com bgp a...

Page 754: ...d you can view the active multicast static routes If no multicast source address is specified all active multicast static routes will be displayed For the related command see display multicast routing table static config Example Display all active multicast static routes 3Com display multicast routing table static 22 22 0 0 16 inactive RPF interface serial0 0 0 RPF neighbor 66 55 99 88 Matched rou...

Page 755: ...g table static config 1 0 0 0 255 0 0 0 ip rpf longest match Syntax ip rpf longest match undo ip rpf longest match View System view Parameter None Description Using the ip rpf longest match command you can configure the longest match rule to be the multicast RPF route selecting policy Using the undo ip rpf longest match command you can restore the default configuration By default routes are select...

Page 756: ...te preference ranging from 1 to 255 By default the value is 1 Description Using the ip rpf route static command you can configure multicast static routes Using the undo ip rpf route static command you can remove the multicast static routes from the multicast static routing table For the related commands see display multicast routing table static config and display multicast routing table static Ex...

Page 757: ...Multicast Static Route Configuration Commands 757 Display the multicast static route configured 3Com display multicast routing table static config ...

Page 758: ...758 CHAPTER 7 MULTICAST COMMON CONFIGURATION COMMANDS ...

Page 759: ...uration Commands debugging mpls lspm Syntax debugging mpls lspm all packet event ftn process agent interface policy vpn undo debugging mpls lspm all packet event ftn process agent interface policy vpn View User view Parameter agent Enables all MPLS Agent information debugging all Enables all MPLS related information debugging event Enables information debugging of various MPLS events ftn Enables M...

Page 760: ...the performance of the router so it is recommended that the command be used with caution Example Enable all relevant debugging of MPLS VPN 3Com debugging mpls lspm vpn display mpls interface Syntax display mpls interface View Any view Parameter None Description Using the display mpls interface command you can view all MPLS enabled interfaces For the related commands see display mpls lsp display mp...

Page 761: ...eter include text Displays the information with the specified string included verbose Displays detailed information Description Using the display mpls static lsp command you can display the information of all or single static LSP s For the related commands see display mpls interface display mpls lsp and display mpls statistics Example Display information of the static LSP named marlborough 3Com di...

Page 762: ...0 Discarded packets processed on each LSP ingress LSP Index LSP Name 1 lsp1 OutSegment Octets of LSP is 0 Bytes processed on each LSP egress OutSegment Packets of LSP is 0 Packets processed on each LSP egress OutSegment Errors of LSP is 0 Errors processed on each LSP egress OutSegment Discard Packets of LSP is 0 Discarded packets processed on each LSP egress LSP Index LSP Name 17416 dynamic lsp In...

Page 763: ...prefix ip prefix IP address prefix list in the range of 1 19 Description Using the lsp trigger command you can configure topology triggered LSP creation policy Using the undo lsp trigger command you can remove the filtering conditions specified by parameters and enable no route to trigger LSP creation By default all kinds of routing protocols are filtered out If no topology triggered policy is con...

Page 764: ...command in system view you can enter MPLS view Using the mpls command in interface view you can enable MPLS on the interface By default MPLS view is not to be entered After executing the command the user can enter MPLS view Only after entering MPLS view can the user configure other MPLS commands To enter MPLS view the user should configure the mpls lsr id command first For the related command see ...

Page 765: ...figure the ID of the LSR as 202 17 41 246 3Com mpls lsr id 202 17 41 246 Mpls lsr id changed reset mpls statistics Syntax reset mpls statistics interface all interface type interface num lsp lsp index all name lsp name View MPLS view Parameter all All interfaces or all LSPs interface type Type of a network interface Interface num Number of a network interface lsp Index LSP index name lsp name Name...

Page 766: ...S LDP creation 3Com snmp agent trap enable lDp snmp agent trap enable lsp Syntax snmp agent trap enable lsp undo snmp agent trap enable lsp View System view Parameter None Description Using the snmp agent trap enable lsp command you can enable Trap function in MPLS LSP creation Using the snmp agent trap enable lsp command you can disable Trap function in MPLS LSP creation By default TRAP function ...

Page 767: ... and debugging mpls Example Configure a static LSP named bj sh on the egress LSR 3Com mpls static lsp egress bj sh incoming interface serial8 0 0 in label 233 static lsp ingress Syntax static lsp ingress lsp name destination dest addr addr mask mask length nexthop next hop addr outgoing interface interface type interface num out label out label value undo static lsp ingress lsp name View MPLS view...

Page 768: ...nterface num in label in label value nexthop next hop addr outgoing interface interface type interface num out label out label value undo static lsp transit lsp name View MPLS view Parameter lsp name Name of LSP interface type Type of an incoming or outgoing interface Interface num Number of an incoming or outgoing interface next hop addr Next hop address in label value Value of inbound label rang...

Page 769: ... Example Configure the time interval as 30 seconds that is to report statistics every 30 seconds 3Com mpls statistics interval 30 LDP Configuration Commands debugging mpls ldp Syntax debugging mpls ldp all main advertisement session pdu notification remote interface interface type interface num undo debugging mpls ldp all main advertisement session pdu notification remote interface interface type ...

Page 770: ...mand you can disable the debugging of various LDP messages This command displays various LDP debugging information You are recommended to use the command cautiously Example Enable LDP debugging 3Com debugging mpls ldp all display mpls ldp Syntax display mpls ldp View Any view Parameter None Description Using the display mpls ldp command you can view LDP and LSR information By default the command d...

Page 771: ... DS BLK 8 240 1052 1042 FEC 9 40 1042 1032 US LIST 10 16 1052 1028 TRIG BLK 11 56 2076 2071 LABEL RANGE 12 20 198 198 CR TUNNEL 13 124 128 128 ER HOP 14 40 4096 4096 IF MSG 15 24 9999 9999 Buffer no error display mpls ldp interface Syntax display mpls ldp interface View Any view Parameter None Description Using the display mpls ldp interface command you can view the information of an LDP enabled i...

Page 772: ...eer Syntax display mpls ldp peer View Any view Parameter None Description Using the display mpls ldp peer command you can display peer information By default all peer information is displayed Example Display peer information 3Com display mpls ldp peer display mpls ldp remote Syntax display mpls ldp remote View Any view Parameter None Description Using the display mpls ldp remote command you can di...

Page 773: ...lay the session between peers By default the session between peers is displayed For the related command see mpls ldp enable Example Display the session between peers 3Com display mpls ldp session mpls ldp Syntax mpls ldp undo mpls ldp View System view Parameter None Description Using the mpls ldp command you can enable LDP Using the undo mpls ldp command you can disable LDP By default LDP is disab...

Page 774: ... for IPv6 Explicit NULL Label which is valid only at the bottom of label stack That is the label stack must be popped and forwarded as IPv4 header Label value 3 stands for Implicit NULL Label which can be distributed and forwarded but cannot be placed in encapsulation When LSR switches top layer labels it only need to pop the labels but cannot replace them when using label 3 to replace the origina...

Page 775: ... on the interface 3Com Ethernet3 0 0 mpls ldp disable mpls ldp hops count Syntax mpls ldp hops count hop number undo mpls ldp hops count View System view Parameter hop number The maximum hops of loop detection ranging from 1 to 32 Description Using the mpls ldp hops count command you can set the maximum hops of loop detection Using the undo mpls ldp hops count command you can restore the default v...

Page 776: ...on Using the undo mpls ldp loop detect command you can disable loop detection By default loop detection is disabled in the system This command should be configured before enabling LDP on all interfaces For the related commands see mpls ldp hops count mpls ldp path vectors Example Enable loop detection 3Com mpls ldp loop detect Disable loop detection 3Com undo mpls ldp loop detect mpls ldp password...

Page 777: ...Using the mpls ldp path vectors command you can set the maximum value of path vector Using the undo mpls ldp path vectors command you can restore the maximum value of path vector By default pv number is 32 This command should be configured before enabling LDP on all interface Its value which depends on actual networking situation decides the loop detection speed in LSP creation For the related com...

Page 778: ... 12 3Com mpls ldp reset session Syntax mpls ldp reset session peer address View Interface view Parameter peer address Corresponding LDP Peer address in IP address format Description Using the mpls ldp reset session command you can reset a specified session on an interface After LDP is configured on an interface and LDP session is created this command can be used to reset a specified session on the...

Page 779: ...it needs to be modified according to requirements It should be noted that the modification of hello parameter may cause the original session to be recreated and the LSP created on the basis of this session will also be deleted and needs to be recreated In general the transmission interval of hello keepalive packets is one third of the hold time of hello session timer For the related commands see m...

Page 780: ...nsport ip interface Take the address of another interface as the transport address 3Com Ethernet3 0 0 mpls ldp transport ip 10 1 11 2 remote ip Syntax remote ip remoteip View Remote peer view Parameter remote ip IP address of a remote peer Description Using the remote ip command you can configure a remote IP address The address should be the LSR ID of the remote LSR For remote peers as they adopt ...

Page 781: ...pecify the configured VPN instance 3Com route policy apply access vpn vpn instance vpn1 debugging bgp Syntax debugging bgp keepalive open packet update route refresh receive send verbose all event normal undo debugging bgp keepalive open packet update route refresh receive send verbose all event normal View User view Parameter keepalive Displays BGP keepalives open Displays BGP OPEN packet informa...

Page 782: ...the undo description command you can remove the description of VPN instance Example Display description information of VPN 3Com vpn vpna description 3com display bgp vpnv4 Syntax display bgp vpnv4 all route distinguisher rd value vpn instance vpn instance name group network peer routing table View Any view Parameter all Displays all VPNv4 database route distinguisher rd value Displays matching rou...

Page 783: ... vpn instance name ip address verbose View Any view Parameter vpn instance name Name assigned to vpn instance ip address Displays information of the specified address verbose Displays the detailed information Description Using the display ip routing table vpn instance command you can view the specified information in the IP routing table of vpn instance Example Display the IP routing table associa...

Page 784: ... description Route Distinguisher 100 6 Interfaces Ethernet0 0 0 101 display ospf sham link Syntax display ospf sham link View Any view Parameter None Description Using the display ospf sham link command you can view the information of sham links For the related command see sham link Example Display the information of sham links 3Com display ospf sham link OSPF Process 1 with Router ID 1 1 1 1 Sham...

Page 785: ...isplay mpls l3vpn lsp include 3com display mpls l3vpn lsp vpn instance Syntax display mpls l3vpn lsp vpn instance vpn instance name transit egress ingress include ip address length prefix verbose View Any view Parameter transit LSP of ASBR VPN egress LSP of egress VPN ingress LSP of ingress VPN vpn instance VPN Routing Forwarding instance name include text Displays the MPLS L3VPN LSPs with the spe...

Page 786: ...oute domains In order to distinguish external routes imported form OSPF internal routes it is required to restore their OSPF attributes in importing BGP routes to OSPF so an OSPF domain can be configured with a domain ID The domain id is attached to the corresponding BGP VPN route in importing OSPF route into BGP VPN for transmission over BGP VPN route Then in importing BGP route into the peer PE ...

Page 787: ...tance command you can enable to import OSPF route Using the undo ip binding vpn instance command you can disable to import OSPF route CAUTION By default the procedure ID IS 1 Example Enable to import an OSPF route with procedure ID 100 3Com ip vpn instance sphinx 3Com vpn sphinx route distinuisher 168 168 55 1 85 3Com vpn sphinx quit 3Com bgp 352 3Com bgp ip vpn instance sphinx 3Com bgp af vpn ins...

Page 788: ...ess of the static route mask Address mask mask length Length of the mask As 1 in the 32 bit mask is required to be consecutive the mask in dotted decimal format can be substituted by mask length mask length is represented by the number of consecutive 1 s in the mask interface name Out interface name of static route It can specify the interface of public network or other vpn instances as the out in...

Page 789: ...ther input nor output list is associated with vpn instance no route map is associated with vpn instance Use the ip vpn instance command to create a vpn instance named vpn name Example Create VPN instance vpn1 3Com ip vpn instance vpn1 3Com vpn vpn1 ipv4 family Syntax ipv4 family vpnv4 unicast multicast vpn instance vpn instance name undo ipv4 family vpnv4 unicast multicast vpn instance vpn instanc...

Page 790: ...v4 family vpn instance vpn instance name command you can remove the association of the specified vpn instance example with IPv4 address family to exit to BGP unicast view For the related command see peer enable Example Associate the specified vpn instance example with IPv4 address family to enter MBGP vpn instance address family view which can be configured only after vpn instance has been configu...

Page 791: ...ddress If you want to bind a procedure to a VPN instance you must specify VPN instance name One VPN instance may include several procedures For example for the VPN instance 1 you can configure it into OSPF procedures 1 2 and 3 with the commands ospf 1 vpn instance vpn1 ospf 2 vpn instance vpn1 and ospf 3 vpn instance vpn1 But one procedure can belong to only one instance If you have executed ospf ...

Page 792: ...Com ospf 120 Enable OSPF procedure 100 specify its route ID as 2 2 2 2 and bind it to the VPN instance vpn1 3Com ospf 100 router id 2 2 2 2 vpn instance vpn1 3Com ospf 100 peer allow as loop Syntax peer group name peer address allow as loop asn limit undo peer group name peer address allow as loop asn limit View BGP view MBGP IPv4 family view Parameter group name Name of the peer group ip address ...

Page 793: ...ample Enable route loop detection in the received route updates 3Com bgp ipv4 family vpn instance one 3Com bgp af vpn instance peer 1 1 1 1 allow as loop 1 peer as number Syntax peer group name peer address group group name as number as number undo peer group name peer address group group name as number as number View BGP view MBGP vpn instance view Parameter group name Peer group name peer addres...

Page 794: ... of a peer interface type Interface type interface number Name of the interface Description Using the peer connect interface command you can configure to allow the internal BGP session to use any operable interface that connects with TCP Using the undo peer connect interface command you can restore to use the best local address to implement TCP connection By default BGP uses the best local address...

Page 795: ...but transmits a default route whose next hop address is itself to the peer unconditionally Example Enable the peer group test to import a default route 3Com bgp peer test as number 3Com bgp peer test default route advertise peer next hop local Syntax peer group name peer address next hop local undo peer group name peer address next hop local View BGP view MBGP IPv4 family view Parameter group name...

Page 796: ...ate AS number is carried when transmitting BGP update packets Generally BGP carries the AS number either public or private AS number when transmitting BGP update packets BGP can be configured not to carry the private AS number so that some output routers may ignore the private AS number when transmitting BGP update packets Example Send MBGP update packets without bearing private AS number 3Com bgp...

Page 797: ...s a combination of an autonomous system number and an arbitrary number if RD is associated with IP address it is a combination of an IP address and an arbitrary number RD has the following formats 16 bit ASN 32 bit number defined by user for example 101 3 32 bit IP address 16 bit number defined by user for example 192 168 122 15 1 Example Configure RD for the MPLS VPN instance 3Com ip vpn instance...

Page 798: ...t commands but with different priority levels Those configured with the import route command are of highest priority level Those configured with the route tag command are in the second place in terms of priority level Those configure with the default tag command are of the lowest priority level If the route tag included in the type 5 7 LSA is identical with its existing tag the LSA received will b...

Page 799: ... extended community Same as RD an extended community is either composed with an autonomous system number and an arbitrary number or composed with an IP address and an arbitrary number Extended community has the following formats 16 bit ASN 32 bit number defined by user for example 100 1 32 bit IP address 16 bit number defined by user for example 172 1 1 1 1 Example Create vpn target extended commu...

Page 800: ...1 3Com vpn vpn1 vpn target 100 1 import extcommunity 3Com vpn vpn1 routing table limit 1000 simply alert sham link Syntax sham link source addr destination addr cost cost value dead seconds hello seconds md5 keyid key seconds retransimit seconds simple password trans delay seconds undo sham link source addr destination addr View OSPF area view Parameter source addr Source address of sham link a lo...

Page 801: ...onnecting the two sites via the PE router these routes are just intra domain routes so OSPF will select those routes through the backdoor first Sometimes the routes through VPN backbone are desired to be selected first then it is required to establish sham link between PE routers In this case the routes through VPN backbone are of the highest priority within the OSPF area The sham link between VPN...

Page 802: ...d will remove the default configuration and change a router into Multi VPN Instance CE Then OSPF procedure will set up all peers again DN bits and route tag will not be check in routing calculation To prevent route loss loop test function is disabled on PE routes MGP OSPF interoperability is also disabled to save system resources After the display ospf brief command is executed successfully the sy...

Page 803: ...being tlsp and the receive LSP being rlsp 3Com Ethernet3 0 0 ccc clink interface serial0 0 0 transmit lsp tlsp receive lsp rlsp ccc interface out interface Syntax ccc ccc connection name interface interface type interface number out interface outinterface type outinterface num undo ccc ccc connection name View System view Parameter ccc connection name CCC connection name of 1 to 20 characters whic...

Page 804: ...g mpls l2vpn all advertisement error event connections interface interface name interface type interface num undo debugging mpls l2vpn all advertisement error event connections interface interface name interface type interface num View User view Parameter all Enables Disables all L2VPN debugging advertisement Enables Disables BGP LDP notify information debugging of L2VPN error Enables Disables L2V...

Page 805: ...nterface number in label value Inbound label value in range of 16 1024 Description Using the static lsp egress l2vpn command you can configure a static LSP used in L2VPN for egress LSR Using the undo static lsp egress l2vpn command you can delete an LSP used in L2VPN of egress LSR Two LSPs one in each direction should be created in advance before creating remote CCC connection For related commands...

Page 806: ...ated in advance before creating remote CCC connection For related commands see static lsp egress lvpn static lsp transit and debugging mpls Example Add the static LSP with destination address 202 25 38 1 at ingress LSR 3Com mpls static lsp ingress bj sh destination 202 25 38 1 24 nexthop 202 55 25 33 out label 237 static lsp transit l2vpn Syntax static lsp transit lsp name l2vpn incoming interface...

Page 807: ... interface serial0 0 0 in label 123 nexthop 202 34 114 7 out label 253 SVC MPLS L2VPN Configuration Commands display mpls static l2vc Syntax display mpls static l2vc interface interface type interface num View Any view Parameter interface type interface num Interface type and interface number Description Using the display mpls static l2vc command you can view the connection information of static M...

Page 808: ... SVC MPLS L2VPN connection Using the undo mpls static l2vc command you can delete the connection Example Create SVC MPLS L2VPN connection 3Com s1 1 0 mpls static l2vc destination 192 1 1 1 transmit vpn label 333 receive vpn label 111 Martini MPLS L2VPN Configuration Commands display mpls l2vc Syntax display mpls l2vc interface interface type interface num verbose View Any view Parameter verbose Di...

Page 809: ... MPLS L2VPN and encapsulate CCC on the interface before using this command For the related command see mpls l2vpn and ccc Example Create LDP connection 3Com Ethernet3 0 0 mpls l2vc 10 0 0 11 Kompella MPLS L2VPN Configuration Commands ce Syntax ce name id id range range default offset offset undo ce name View MPLS L2VPN view Parameter name CE name unique in the current PE VPN id CE ID unique in VPN...

Page 810: ... being 1 range default value being 10 3Com mpls l2vpn 3Com mpls l2vpn vpna encapsulation ppp 3Com mpls l2vpn vpna ce marlborough id 1 3Com mpls l2vpn ce vpna marlborough connection Syntax connection ce offset offset interface interface type interface num undo connection ce offset offset interface interface type interface num View MPLS L2VPN CE view Parameter offset Specifies remote CE ID for L2VPN...

Page 811: ...nformation Example Display all L2VPN information 3Com display bgp l2vpn all BGP local router ID is 172 16 1 5 Origin codes i IGP e EGP incomplete bgp l2vpn 3 destinations CE ID Label Offset Label Base nexthop pref as path Route Distinguisher 100 1 2 1 800000 1 1 1 1 100 I 200 600 3 1 500000 1 1 1 1 100 I 200 600 Route Distinguisher 100 2 1 1 700000 1 1 1 1 100 I 200 600 display mpls l2vpn forwardi...

Page 812: ...pn family undo l2vpn family View BGP view Parameter None Description Using the l2vpn family command you can create an L2VPN address family view Using the undo l2vpn family command you can delete the L2VPN address family view By default it is BGP unicast view Using this command you can enter L2VPN address family view Execute the undo l2vpn family command to exit multicast extended address family vi...

Page 813: ...me Unique VPN name in PE with 1 to 20 bytes atm aal5 ethernet fr vlan hdlc ppp VPN encapsulation types The CCC encapsulation type on CE interface must keep accordance with that of VPN when creating BGP L2VPN connection Otherwise the connection can not be performed normally Description Using the mpls l2vpn encapsulation command you can create Kompella MPLS L2VPN and specify encapsulation mode Using...

Page 814: ... 1000 peer enable Syntax peer group name peer address enable undo peer group name peer address enable View L2VPN address family view Parameter group name Peer group name specifying the whole peer group peer address IP address of peer specifying some specified peer Description Using the peer enable command you can activate specified peer group in L2VPN address family view Using the undo peer enable...

Page 815: ... add a node in the explicit path view Example Add a node into the explicit path 3Com mpls te explicit path 3Com enable 3Com mpls te expl path 3Com add hop 10 0 0 1 after 10 0 0 2 loose debugging mpls rsvp te Syntax debugging mpls rsvp te all error path ptear resv rtear rconf hello perr rerr encdec socket traffic control main tool undo debugging mpls rsvp te all error path ptear resv rtear rconf he...

Page 816: ...ou can enable alarming for all RSVP TE modules Using the undo debugging mpls rsvp te command you can disable alarming for all RSVP TE modules By default debugging is disabled Example Enable alarming for all RSVP TE modules 3Com debugging mpls rsvp te all delete hop Syntax delete hop ip address View Explicit path view Parameter ip address IP address for the node to be deleted Description Using the ...

Page 817: ...e refresh interval is 30 second PATH and RESV message resent times is 3 Blockade keep times is 4 Display information of the interface Ethernet0 0 0 3Com display mpls rsvp te interface e0 0 0 IF Name Status Total BW Used BW Hello Nbr Ethernet0 0 0 DOWN 75000k 0k NO 0 display mpls rsvp te established Syntax display mpls rsvp te established interface interface type interface number View Any view Para...

Page 818: ...information of all RSVP interfaces 3Com display mpls rsvp te peer display mpls rsvp te path Syntax display mpls rsvp te path destination ip address lsp id ip address source ip address tunnel id ip address verbose View Any view Parameter ip address Specifies an ip address verbose Detail information to display Description Using the display mpls rsvp te path command you can view path information for ...

Page 819: ...sing the display mpls te explicit path command you can view explicit path information Example Display explicit path information of the router 3Com display mpls te explicit path ip explicit path ID 200 name test path 1 status enable 1 next address 3 3 28 3 strict 2 next address 3 3 27 3 strict Table 2 Display information of display mpls te explicit path display mpls te link administration admission...

Page 820: ...06 0 6 4 AT1 0 0 2 AT0 0 0 2 1 1 3000 Table 3 Display Information of Display mpls te link administration admission control display mpls te link administration bandwidth distribution Syntax display mpls te link administration bandwidth distribution interface interface type interface num View Any view Parameter interface type Specifies interface type interface num Specifies interface number Descript...

Page 821: ...ss remote transit name tun name incoming interface interface type interface number outgoing inteface interface type interface number interface interface type interface number tunnel identifier tun id ip address verbose View Any view Parameter destination address Displays the tunnels with this specified destination address up Displays the tunnels in UP state down Displays the tunnels in DOWN state ...

Page 822: ... mpls te tunnel commit last Syntax display mpls te tunnel commit last tun num View Any view Parameter tun num Specifies tunnel number Description Using the display mpls te tunnel commit last command you can view the latest tunnel configuration information Example Display the latest tunnel configuration information 3Com display mpls te tunnel commit last 0 0 0 Tunnel0 Status Down Loop detection Ena...

Page 823: ...e Display the configuration information of the CR LSPs created successfully 3Com display mpls te tunnel running 0 Tunnel0 Status Down Loop detection Enable Record label Disable Resv Style SE Explicit path xhy Tunnel bandwidth 200 kbps Destination 100 1 1 1 display mpls te tunnel statistics Syntax display mpls te tunnel statistics View Any view Parameter None Description Using the display mpls te t...

Page 824: ... node information 3Com mpls te expl path 3Com modify hop 10 0 0 1 10 0 0 2 loose mpls rsvp te Syntax mpls rsvp te undo mpls rsvp te View System view interface view Parameter None Description Using the mpls rsvp te command you can enable RSVP TE feature Using the undo mpls rsvp te command you can disable RSVP TE feature MPLS feature must be enabled before using the command Disabling RSVP TE feature...

Page 825: ...mpls rsvp te blockade multiplier command you can restore the default value For the related commands see mpls rsvp te timer refresh Example Set the multiplier as 5 3Com mpls rsvp te blockade multiplier 5 Restore the default multiplier 3Com undo mpls rsvp te blockade multiplier mpls rsvp te hello Syntax mpls rsvp te hello undo mpls rsvp te hello View System view interface view Parameter None Descrip...

Page 826: ...ee mpls rsvp te timer hello Example Set the times value to 5 when no Hello response messages are received consecutively 3Com mpls rsvp te hello lost 5 mpls rsvp te keep multiplier Syntax mpls rsvp te keep multiplier times undo mpls rsvp te keep multiplier View System view Parameter times RSVP refreshing period multiplier for PSB and RSB timeout in the range of 1 255 By default it is 3 Description ...

Page 827: ...e Enable and disable reservation confirmation mechanism 3Com mpls rsvp te resvconfirm 3Com undo mpls rsvp te resvconfirm mpls rsvp te timer hello Syntax mpls rsvp te timer hello seconds undo mpls rsvp te timer hello View System view Parameter seconds Time interval for refreshing Hello messages in the range of 1 to 60 seconds By default it is 3 seconds Description Using the mpls rsvp te timer hello...

Page 828: ...the undo mpls rsvp te timer refresh command you can restore the default values For the related command see mpls rsvp te keep multiplier Example Set refreshing period for Path and Resv messages as 60 seconds 3Com mpls rsvp te timer refresh 60 Restore the default refreshing period 3Com undo mpls rsvp te timer refresh mpls te enable Syntax mpls te enable undo mpls te View Area view Parameter None Des...

Page 829: ...LS TE feature You need to enable this feature both globally and on the interface and then the interface will flood this resource information to the right IGP link state database and accept TE tunnel signaling request By default MPLS TE feature is disabled Example Globally enable MPLS TE feature 3Com mpls mpls te Enable MPLS TE feature at the interface Ethernet1 0 0 3Com interface Ethernet1 0 0 3Co...

Page 830: ...he mpls te commit command you can submit current configuration result for the tunnel interface to MPLS The configuration will not take effect and no LSP will be set up until the configured tunnel feature is submitted If you modify a feature option and submit the result for several times in one option only the last modification will take effect You can use the display mpls te commit last command to...

Page 831: ...cent percent undo mpls te flooding thresholds down up View Interface view Parameter down Reservable bandwidth values available in descending order up Reservable bandwidth values available in ascending order percent Threshold level for flooding in percentage in the range of 1 100 For the up keyword the values available include 15 30 45 60 75 80 85 90 95 96 97 98 99 and 100 For the down keyword the ...

Page 832: ...configuring link management group attribute you can set up the explicit paths which match the requirements For example you can set the attribute of all interfaces along the LSP as 20 By default link management group is not configured Example Configure link management group at the interface ethernet1 0 0 to 20 3Com ethernet1 0 0 mpls te link administrative group 20 mpls te metric Syntax mpls te met...

Page 833: ...ls te max link bandwidth Syntax mpls te max link bandwidth bandwidth undo mpls te max link bandwidth View Interface view Parameter bandwidth Maximum link bandwidth at the interface in the range of 0 32000000bps By default it is the actual bandwidth of the physical interface Description Using the mpls te max link bandwidth command you can configure maximum link bandwidth at the interface Using the ...

Page 834: ...he sum of all tunnel bandwidth For related commands see mpls te bandwidth Example Set the maximum reservable bandwidth at an interface as 64kbps 3Com Ethernet1 0 0 mpls te max reservable bandwidth 64 mpls te path explicit path Syntax mpls te path explicit path pathname undo mpls te path explicit path View Tunnel view Parameter path name Explicit path name Description Using the mpls te path explici...

Page 835: ...efine resource reservation style in creating tunnels Using the undo mpls te resv style command you can restore the default style By default se is selected Only RSVP TE protocol supports both FF and SE modes so you must first indicate to run RSVP TE protocol in creating tunnels before defining resource reservation style Each LSP must be configured with a definite reservation style The FE type defin...

Page 836: ...3Com tunnel mpls te signal protocol cpldp mpls te timer periodic flooding Syntax mpls te timer periodic flooding seconds undo mpls te timer periodic flooding View MPLS view Parameter seconds Flood period in the range of 0 3600 seconds By default it is 180 seconds Description Using the mpls te timer periodic flooding command you can define flooding period Using the undo mpls te timer periodic flood...

Page 837: ... protocol mpls te Syntax tunnel protocol mpls te View Tunnel view Parameter None Description Using the tunnel protocol mpls te command you can set the Tunnel interface in CR LSP tunnel mode When TE is disabled all tunnel interfaces turns into GRE tunnel mode in which only GRE related commands are visible and executable While in CR LSP tunnel mode you can only see and execute CR LSP related command...

Page 838: ...iew Explicit path view Parameter ip address IP address of the node Description Using the view hop command you can view node information Example Display node information 3Com mpls te expl path tandoon view hop explicit path id 0 name xhy status enable ...