D-Link DES-3326SRM, Product Manual

Page 1: ...D Link DES 3326S 24 Port Layer 3 Stackable Switch Manual May 2005 651ES3326S055...

Page 2: ...forbidden Trademarks used in this text D Link the D LINK logo are trademarks of D Link Computer Corporation Microsoft and Windows are registered trademarks of Microsoft Corporation Other trademarks a...

Page 3: ...e Console Port 17 Password Protection 18 IP Address Assignment 19 SNMP Settings 21 Installing the Switch without the Rack 22 Installing the Switch in a Rack 23 Connecting Stacked Switch Groups 24 Note...

Page 4: ...61 Configure STP Switch Settings 62 STP Port Settings 64 Quality of Service Configuration 66 Configure QoS Output Scheduling 67 Configure 802 1p User Priority 68 Configure Default Priority 69 Configur...

Page 5: ...ding Table 122 IGMP Group Table 123 IP Multicast Forwarding Table 124 802 1X Authentication Status 124 Switch History 125 Switch Utilities 126 TFTP Services 126 Ping Test 128 DHCP BOOTP and DNS Relay...

Page 6: ...tion 182 OSPF Host Route Settings 183 Route Redistribution Settings 184 Technical Specifications 186 Network Addressing and Protocols 188 IP Addresses 188 Internet Protocols 193 Packet Headers 195 The...

Page 7: ...ot intended a thorough or exhaustive study network management Intended Readers The DES 3326S Manual contains information useful for setup and management and of the DES 3326S Switch This manual is inte...

Page 8: ...s Operate the product only from the type of external power source indicated on the electrical ratings label If you are not sure of the type of power source required consult your service provider or lo...

Page 9: ...t the front and side stabilizers installed could cause the rack to tip over potentially resulting in bodily injury under certain circumstances Therefore always install the stabilizers before installin...

Page 10: ...ed or disconnected Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your system To prevent static damage discharge static electricity from your body be...

Page 11: ...the same routing routines and protocols as traditional routers The main difference between traditional routing and Layer 3 switching is the addition of a group of Layer 2 switching domains and the ex...

Page 12: ...AC based access control and Radius Client support Administrator definable port security Per port bandwidth control Broadcast Multicast and DLF storm control IEEE 802 3z and IEEE 802 3x compliant Flow...

Page 13: ...with Auto MDIX function for connections to end stations servers and hubs All ports can auto negotiate between 10Mbps or 100Mbps full or half duplex and flow control LED Indicators The LED indicators...

Page 14: ...ng module Link The Link LED lights to confirm a valid link Act The ACT LED blinks to indicate activity on the link STACK NO The Stack Number seven segment LED displays the Unit number assigned to the...

Page 15: ...upply voltage in the range from 100 240 VAC at 50 60 Hz Side Panels The right side panel of the Switch contains two system fans see the top part of the diagram below The left side panel contains heat...

Page 16: ...BASE TX Module Figure 1 5 100BASE TX two port module Port Functions Fully compliant with IEEE802 3 10BASE T IEEE802 3u 100BASE TX Supports auto negotiation in the following operation 10 100M operation...

Page 17: ...tions Fully compliant with IEEE802 3u 100BASE FX Supports auto negotiation in the following operation 100M Full duplex Flow control IEEE 802 3x compliant Flow Control support for full duplex Connector...

Page 18: ...s Fully compliant with IEEE802 3u 100BASE FX Supports auto negotiation in the following operation 100M Full duplex Flow control IEEE 802 3x compliant Flow Control support for full duplex Connector SC...

Page 19: ...SE T IEEE802 3u 100BASE TX and IEEE802 3ab 1000BASE T Supports auto negotiation in the following operation 10 100 1000M Full duplex Flow control IEEE 802 3x compliant Flow Control support for full dup...

Page 20: ...802 3x compliant Flow Control support for full duplex Connector SC Type Distance 550m DEM 320S 2 port 1000BASE SX Gigabit Ethernet Module Port Functions 2 1000BASE SX Gigabit Ethernet ports IEEE 802 3...

Page 21: ...dule Port Functions 2 1000BASE LX Gigabit Ethernet ports IEEE 802 3z 1000BASE LX compliance Supports Full duplex operations IEEE 802 3x compliant Flow Control support for full duplex Supports single m...

Page 22: ...full duplex operations IEEE 802 3x compliant Flow Control support for full duplex DEM 320GH 2 port GBIC based Gigabit Ethernet Module Port Functions 2 GBIC based Gigabit Ethernet ports Allows multi m...

Page 23: ...ow Control support for full duplex The optional Stacking Module allows up to eight DES 3326S Switches to be interconnected via their individual stacking modules This forms an eight Switch stack that c...

Page 24: ...ort on one switch to an OUT port on the next switch in the stack In this way a loop is made such that all of the switches in the switch stack have the IN stacking port connected to another switch s OU...

Page 25: ...omplete access to all Switch management features For a full list of commands see the Command Line Reference Manual which is included on the documentation CD SNMP Based Management You can manage the Sw...

Page 26: ...ing Stacked Switch Groups Configuring a Switch Group for Stacking Connecting Devices to the Switch Package Contents Before you begin installing the Switch confirm that your package contains the follow...

Page 27: ...a rate to 9600 baud c Set the data format to 8 data bits 1 stop bit and no parity d Set flow control to none e Under Properties select VT100 for Emulation mode f Select Terminal keys for Function Arro...

Page 28: ...to provide a password Type the password used for the administrator account being created and press the Enter key 3 You will be prompted to enter the same password again to verify it Type the same pas...

Page 29: ...ith the Web based manager The Switch IP address can be automatically set using BOOTP or DHCP protocols in which case the actual address assigned to the Switch must be known The IP address may be set u...

Page 30: ...e above example the Switch was assigned an IP address of 10 10 1 100 with a subnet mask of 255 0 0 0 The system message Success indicates that the command was executed successfully The Switch can now...

Page 31: ...at is separated into two parts The first part is to maintain a list of users and their attributes that are allowed to act as SNMP managers The second part describes what each user on that list can do...

Page 32: ...rface that can safely support the weight of the Switch and its attached cables The Switch must have adequate space for ventilation and for accessing cable connectors 2 Set the Switch on a flat surface...

Page 33: ...er to the illustrations below 1 Use the supplied screws to attach a mounting bracket to each side of the Switch 2 Align the holes in the mounting bracket with the holes in the rack 3 Insert and tighte...

Page 34: ...strates stacking connections for a six switch stack Figure 2 7 Switch Stack connections between optional stacking modules The stacking ports are marked IN and OUT The IEEE 1394 compliant cable must be...

Page 35: ...essary to use the CLI command config stacking mode disable A Switch that has stacking mode disabled should never connect to another Switch through stacking ports See below for notes on standalone oper...

Page 36: ...nction in a stacked group as the Master do the following 1 At the CLI login prompt enter config stacking mode enable master and press the Enter key 2 You will be prompted to save the stacking mode con...

Page 37: ...mode enable master The remaining slave units in the stack can be set to the default configuration to automatically recognize the presence of the Master The stack order will likewise be determined auto...

Page 38: ...stacking mode is enabled for Auto or Master Likewise a separate configuration file is used when a Switch is operating as a stacked unit This is important if the stacking function of a Switch is chang...

Page 39: ...to the Switch These connections can be accomplished at any port in either straight through cable or a crossover cable because the switch supports Auto MDIX function NOTE Auto MDIX function is not sup...

Page 40: ...re the same as those found in the console program Before You Start The DES 3326S Layer 3 Switch supports a wide array of functions and gives great flexibility and increased network performance by elim...

Page 41: ...ternal router to connect to the rest of the network 6 Develop a policy scheme Some subnets will have a greater need for multicasting bandwidth for example A policy is a mechanism to alter the normal p...

Page 42: ...er window Area Function 1 Presents a graphical near real time image of the front panel of the Switch This area displays the Switch s ports and expansion modules When the Switch is stacked a virtual re...

Page 43: ...ined below or use the command line interface CLI command save Web Pages and Menus Menus for configuration and information are organized in two folders or directories Basic Setup and Advanced Setup The...

Page 44: ...hanges and Restart System Most of these menus and the subdirectorys located in the Basic Setup folder are discussed in later chapters The subdirectories include SNTP Settings Network Management Switch...

Page 45: ...0 0 0 and a default gateway of 0 0 0 0 Figure 3 3 Configure Switch IP Settings To manually assign the Switch s IP address subnet mask and default gateway address 1 Select Manual from the Get IP From d...

Page 46: ...y the address of a router or a host acting as an IP gateway If your network is not part of an intranet or you do not want the Switch to be accessible outside your local network you can leave this fiel...

Page 47: ...on You will be prompted to confirm that you want to delete the account Click OK to delete the account information and continue Figure 3 5 User Accounts Add Add a new user by typing in a User Name and...

Page 48: ...Switch Figure 3 6 User Accounts Edit To change the password type in the New Password and retype it in the Confirm New Password entry field Choose the level of privilege Admin or User from the Access...

Page 49: ...s the Admin and User privileges Management Admin User Configuration Yes Read Only Network Monitoring Yes Read Only Community Strings and Trap Stations Yes Read Only Update Firmware and Configuration F...

Page 50: ...witch erases all settings in RAM and reloads the stored settings from the NV RAM Thus it is necessary to save all setting changes to NV RAM before rebooting the Switch Factory Reset Click the Factory...

Page 51: ...ave the current configuration to non volatile RAM before restarting the Switch Clicking the No option instructs the Switch not to save the current configuration before restarting the Switch All of the...

Page 52: ...on The DES 332GS stacking module is described on page 13 2 Currently the firmware for the DES 3326S and DES 3326SR does not yet support stacking with the DGS 3312SR Layer 3 Switch or the DES 3226S Lay...

Page 53: ...ig stacking mode enable master The switch stack up to 13 total is displayed in the upper right hand corner of you web browser The icons are in the same order as their respective Unit numbers To view t...

Page 54: ...Notice in the example above Switch number 2 Unit ID 2 has a Start Port of 27 since there are twenty six ports on the Master Switch A third Switch is added to the stack so the Start Port of Switch numb...

Page 55: ...5 Port Configuration Configure Ports Serial Port Settings Port Security Settings Traffic Segmentation This section contains information for configuring various attributes and properties for individua...

Page 56: ...t will be necessary to select the Unit switch according to its logical position in the stack Figure 5 1 Choose switch from stack Click the radio button on the far left to select the port you want to c...

Page 57: ...state of the port Auto auto negotiation between 10 and 100 Mbps devices full or half duplex The Auto setting allows the port to automatically determine the fastest settings the device the port is con...

Page 58: ...rate used to communicate with a management station The console baud rate is 9600 bits per second Data Bits Displays the number of bits that make up a word when communicating with the management stati...

Page 59: ...curity Settings Figure 5 6 Configure Port Security Configure the following parameters for Port Security Parameter Description Admin State Disabled Toggle Admin State to either enable or disable port s...

Page 60: ...and click the Edit button This will open the following dialog box Figure 5 7 Traffic Segmentation Edit In the Edit menu select the Forward Ports for the specified port A Forward Port is a port that is...

Page 61: ...her the aggregated links must all be of the same speed and should be configured as full duplex The configuration of the lowest numbered port in the group becomes the configuration for all of the ports...

Page 62: ...n order to determine which port is used to transmit load sharing data This feature is only available using the address based load sharing algorithm Figure 6 1 Link Aggregation Algorithm Selection Sele...

Page 63: ...groups configured will appear listed in the table To remove a group select the group from the table and click on the Delete button To create a new Link Aggregation group click the New button Figure 6...

Page 64: ...aggregation group when editing and existing entry Type Select the type of link aggregation used for the group If type is not specified the default type is Static Aggregated ports may be either LACP o...

Page 65: ...should be noted that a faster port a 1000 Mbps Gigabit Ethernet port for example should not be mirrored to a slower port one of the 24 100 Mbps Fast Ethernet port because many packets will be dropped...

Page 66: ...n in the forwarding table without being accessed that is how long a learned MAC Address is allowed to remain idle The Aging Time can be set to any value between 10 and 1 000 000 seconds To configure t...

Page 67: ...ion that will be entered into the switch s static forwarding table when adding a new entry Displays the currently selected MAC address when editing VLAN Name Allows the entry of the VLAN Name of the V...

Page 68: ...the Forwarding folder and then the MAC Forwarding folder and then click on the Multicast MAC Address Settings link Figure 8 5 Multicast MAC Address Settings To add a new multicast MAC address to the s...

Page 69: ...kets per second or Kpps and then following a user specified course of action when this threshold is exceeded To configure Broadcast Multicast storm control Click on the Forwarding folder and then on t...

Page 70: ...ed in the Upper Threshold Kpps field the switch will drop all multicast packets received by any port in the port group until the rate of multicast packets received by the port group falls The Destinat...

Page 71: ...do not forward packets in the STP port transition states disabled blocking or listening or in the RSTP port state discarding there is no functional difference the port is not active in the network top...

Page 72: ...ly adjusting BPDU packets to 802 1d format when necessary However any segment using 802 1 STP will not benefit from the rapid transition and rapid topology change detection of RSTP The protocol also p...

Page 73: ...on the switch spends in the listening state while moving from the blocking state to the forwarding state Priority 0 61440 32768 A Priority for the switch can be set from 0 to 61440 This number is use...

Page 74: ...ort priority and port cost to be the connection to the network for the group Redundant links will be blocked just as redundant links are blocked on the switch level The STP on the switch level blocks...

Page 75: ...ation should be enabled yes on ports connected to network stations or segments that will be upgraded to 802 1w RSTP on all or some portion of the segment Edge No Select True or False Choosing true des...

Page 76: ...switch is configured to empty the buffer using strict priority NOTICE The default QoS scheduling arrangement is a strict priority schedule To customize scheduling to set up round robin queue clearing...

Page 77: ...The MAX Latency field specifies the maximum amount of time in multiples of 16 microseconds that a queue will have to wait before being given access to the transmit buffer The MAX Latency is a priorit...

Page 78: ...iven Class of Service on the switch you can then assign this Class to each of the 8 levels of 802 1p priorities Open the 802 1 User Priority configuration menu in the QoS subdirectory to see the menu...

Page 79: ...on the 802 1p Default Priority link Figure 10 3 Priority Based on Port This window allows you to assign a default 802 1p priority to any given port on the switch The priority queues are numbered from...

Page 80: ...he far left column that corresponds to the port you want to configure and click the Edit button A new dialog box used to edit bandwidth settings opens Figure 10 4 Edit Port Bandwidth To limit either t...

Page 81: ...rding database MAC Notification Global Settings Figure 11 1 MAC Notification Global Settings Configure the following MAC notification global settings Parameter Description State Enable or Disable MAC...

Page 82: ...t numbered port from the list and click the Edit button a separate menu will appear Figure 11 3 MAC Notification Port Settings Edit Configure the following MAC notification global settings Parameter D...

Page 83: ...ured will be retained regardless of whether the system log is on or off Figure 12 1 System Log State menu The switch can send system log messages to up to four designated servers Use the System Log Se...

Page 84: ...ve been designated are shown in the following Bold font means the facility values the switch supports now Numerical Facility Code 0 kernel messages 1 user level messages 2 mail system 3 system daemons...

Page 85: ...s can set or are displayed Parameter Description Current Time Displays the current system time Time Source Displays the time source for the system SNTP State Use this pull down menu to Enable or Disab...

Page 86: ...D Link DES 3326S Layer 3 Switch Time Zone and DST See the table below for a description of the Time Zone and DST parameters Figure 13 2 Time Zone and DST Settings 76...

Page 87: ...the month that DST will start From Day of Week Enter the day of the week that DST will start on From Month Enter the month DST will start on From time in HH MM Enter the time of day that DST will sta...

Page 88: ...an be specified on a basis of VLAN MAC address or IP address First create the Access Profile Mask then define the rules used to allow access Access Profile Mask Creating an access profile is divided i...

Page 89: ...Access Profile Select profile based on Ethernet MAC Address or IP address This will change the menu according to the requirements for the type of profile Select Ethernet to instruct the switch to exa...

Page 90: ...D Link DES 3326S Layer 3 Switch IP based Access Profile Mask Select the IP option from the Access Profile pull down menu to view the following Figure 14 3 IP Address Access Profile Mask Add 80...

Page 91: ...parameter can be implemented using the CLI interface This option is not available using the web interface Selecting this option instructs the switch to examine the protocol type value in each frame s...

Page 92: ...le from the Access Profile Mask Setting Table and click the Edit Rule button Figure 14 4 Access Profile Rule Setting To create a new rule set for the access profile click the New button A new menu is...

Page 93: ...packets that meet the criteria A number between 0 lowest priority and 7 highest priority can be entered replace_priority Select this option to instruct the switch to replace the 802 1p value in a pack...

Page 94: ...ter an IP address for the source IP address Destination IP Destination IP Enter an IP address for the destination IP address priority Select this option to instruct the switch to use the 802 1p priori...

Page 95: ...procedure as ACL configuration and requires some of the same input parameters CPU Interface Filtering is configured in a manner similar to creating an Access Profiles First a mask is created to speci...

Page 96: ...he New button To change an existing entry or view the rules for an entry select the Profile ID number and click the Edit Rule button Figure 14 8 CPU Interface Filtering Table To create a CPU Interface...

Page 97: ...ader Select IP to instruct the switch to examine the IP address in each frame s header VLAN Selecting this option instructs the switch to examine the VLAN part of each packet header and use this as th...

Page 98: ...sk parameter can be implemented using the CLI interface This option is not available using the web interface Selecting this option instructs the switch to examine the protocol type value in each frame...

Page 99: ...rface Filtering Rule Configuration Ethernet Configure the following CPU Interface Filtering Rule Ethernet settings Parameter Description Select Permit to specify that the packets that match the access...

Page 100: ...hat match the access profile are forwarded by the switch according to any additional rule added see below Select Deny to specify that packets that do not match the access profile are not forwarded by...

Page 101: ...nism users have to be authorized before being able to access the network See the following figure DES 3326S Switch Figure 14 14 Typical 802 1X Configuration Prior to User Authentication Once the user...

Page 102: ...DIUS server Figure 14 16 Typical Configuration with 802 1X Fully Implemented Table 2 Conformance to IEEE 802 1X Standards State Machine Name Port Timers state machine Authenticator PAE state machine T...

Page 103: ...based 802 1x authorization see below 802 1X State To use 802 1x on the switch choose the type of authorization to use and click the Apply button Figure 14 17 802 1X State Port based Authorization mean...

Page 104: ...ort status Lists the current status of port Authorized or Unauthorized PAE State Displays the administrative control over the port s authorization status Force Authorized forces the Authenticator of t...

Page 105: ...become Authorized Force Unauthorized forces the port to become Unauthorized Quiet Period Select the time interval between authentication failure and the start of a new authentication attempt Tx Period...

Page 106: ...ort Capability for a port select the port to be configured and determine the 802 1x port capability Click the Apply button to configure the capability Parameter Description Port Select the port or low...

Page 107: ...follows Parameter Description Port Select the port or lowest number of the group of ports being configured Configure Ports from __ to __ A consecutive groups of ports may be configured starting with...

Page 108: ...are identical to the Initialize Ports parameters since they are basically doing the same thing Parameter Description Port Select the port or lowest number of the group of ports being configured Confi...

Page 109: ...e the table below for a description Figure 14 25 Edit Radius Server Settings Figure 14 26 Radius Server Add Configure the following Radius server settings when adding or editing Parameter Description...

Page 110: ...us to select the SNMP version used for specific tasks SNMP Version The DES 3326S supports the Simple Network Management Protocol SNMP versions 1 2c and 3 The SNMP version used to monitor and control t...

Page 111: ...menu will appear Figure 15 1 SNMP View Table Add New Figure 15 2 SNMP View Table Parameter Description View Name Type an alphanumeric string of up to 32 characters This is used to identify the new SNM...

Page 112: ...e previous menu Figure 15 3 SNMP Group Table To delete an existing entry click the selection button on the far left that corresponds to the port you want to configure and click the Delete button To cr...

Page 113: ...no authorization and no encryption of packets sent between the switch and a remote SNMP manager AuthNoPriv Specifies that authorization will be required but there will be no encryption of packets sen...

Page 114: ...cess on the switch The view name must exist in the SNMP View Table Access Right Use the pull down menu to select the access right read_only Specifies that SNMP community members using the community st...

Page 115: ...he New button a separate menu will appear Figure 15 9 SNMP Host Table Add Parameter Description IP Address Type the IP address of the remote management station that will serve as the SNMP host for the...

Page 116: ...roup Figure 15 10 SNMP User Table To delete an existing entry click the selection button on the far left that corresponds to the port you want to configure and click the Delete button To create a new...

Page 117: ...aborate SNMP v3 SNMP Management configuration is presented in a separate chapter below Figure 15 12 Management IP Address Setup Select up to three management stations used to manage the Switch If you...

Page 118: ...e ARP Table OSPF Information DVMRP Information PIM Neighbor Address Table GVRP Status Router Ports IGMP and IGMP Snooping Information IP Multicast Forwarding Table 802 1X Authentication Status Switch...

Page 119: ...e link Figure 16 1 Port Utilization Line Chart Figure 16 2 Port Utilization Table Select the desired port by clicking on the front panel display in the upper part of the web page or use the Unit and P...

Page 120: ...d rate of unicast multicast and broadcast packets received by the switch are displayed To view an analysis of packets received or transmitted by a port open the Network Monitoring folder and the Stati...

Page 121: ...splays the number of bytes octets received by the switch in total number Total and rate Total sec RX Frames Displays the number of packets frames received by the switch in total number Total and rate...

Page 122: ...64 octets in length excluding framing bits but including FCS octets and had either an FCS or an alignment error Jabber The total number of frames received that were longer than 1518 octets excluding f...

Page 123: ...port number it makes an entry into its forwarding table These entries are then used to forward packets through the switch To view MAC Address Table open the Network Monitoring folder and the Address...

Page 124: ...Table Parameter Description IP Address The IP address of the router Netmask The subnet mask corresponding to the IP address above Gateway The IP address of the gateway between the switch and this rou...

Page 125: ...P Table open the Network Monitoring folder and the Address Tables subdirectory and click on the ARP Table link Figure 16 7 ARP Table Use the ARP Table to search for MAC addresses Enter the Interface N...

Page 126: ...re 16 8 OSPF LSDB Table The following fields can be set or are displayed Parameter Description Area ID Displays the OSPF Area ID LSDB Type Displays which one of four types of link advertisements by wh...

Page 127: ...Changes The number of times the neighbor router has changed state OSPF Virtual Neighbor Table Figure 16 10 OSPF Virtual Neighbor Table The following fields can be set or are displayed Parameter Descri...

Page 128: ...ding subnet mask to search the table Click Find and the DVMRP Routing table will be searched for the IP address and subnet mask above The following fields are displayed Parameter Description Source Ad...

Page 129: ...Hop Table The following fields are displayed Parameter Description Source IP Address The network address which when combined with the corresponding next hop Source Mask value identifies the source fo...

Page 130: ...ghbor Address Table The following fields are displayed Parameter Description Interface The name of the IP interface the router resides on Neighbor Address IP address of the PIM neighbor Expire Time Ti...

Page 131: ...as a static router port designated by S A router port that is dynamically configured by the switch is designated by D To browse the Router Ports open the Network Monitoring folder and the Status subdi...

Page 132: ...ayed Parameter Description Multicast Group The IP address of the multicast group MAC Address The MAC address of the multicast group Port Map These are the ports where the IGMP packets were snooped are...

Page 133: ...ble open the Network Monitoring folder and the Status subdirectory Click on the IGMP Group Table link to see the following menu Figure 16 19 IGMP Group Table Specify the Interface and Multicast Group...

Page 134: ...address of the multicast group Source IP Address The IP address of the multicast source Source Mask The subnet mask corresponding to the IP address above Upstream Neighbor The IP address of the next r...

Page 135: ...e viewed The Switch records all traps in sequence that identify events on the switch The time since the last cold start of the switch is also recorded The link to view Switch History is located in the...

Page 136: ...you want to update the firmware on This allows the selection of a particular switch from a switch stack if you have installed the optional stacking module and have properly interconnected the switche...

Page 137: ...e switch s click on the Basic Setup folder and then the switch Utilities folder and then the TFTP Services folder and finally click on the Upload Settings to TFTP Server link Figure 17 3 Save Settings...

Page 138: ...e file transfer Ping Test Ping is a small program that sends data packets to the IP address you specify The destination node then returns the packets to the switch This is very useful to verify connec...

Page 139: ...TP DHCP Relay Status Disabled This field can be toggled between Enabled and Disabled using the pull down menu It is used to enable or disable the BOOTP DHCP Relay service on the switch The default is...

Page 140: ...name you want to configure for DHCP relay and the IP address of the server Click on the New button to enter the relay settings Up to four servers can be entered for each IP interface Figure 17 8 BOOT...

Page 141: ...led using the pull down menu and is used to enable or disable the DNS Relay service on the switch Name Server 1 0 0 0 0 Allows the entry of the IP address of a primary domain name server DNS Name Serv...

Page 142: ...onfiguration To create a new DNS Relay Static entry enter the Domain Name and the associated IP address Click on the New button to enter the settings into the static table Figure 17 11 DNS Relay Stati...

Page 143: ...2 Switch and must therefore be laid out and configured with a bit more forethought VLANs with an IP interface assigned to them could be thought of as network links not just as a collection of associa...

Page 144: ...single physical connection and allows Spanning Tree to be enabled on all ports and work normally 802 1Q VLAN Packet Forwarding Packet forwarding decisions are made based upon the following three types...

Page 145: ...found in the Switch s forwarding table If the PVID of the port that received the packet is different from the PVID of the port that is to transmit the packet the Switch will drop the packet Within the...

Page 146: ...tion Remember that the PVID is only used internally within the Switch Untagging is used to send packets from an 802 1Q compliant network device to a non compliant network device Ingress Filtering A po...

Page 147: ...to each VLAN in IP Routing mode The VLANs must be configured prior to setting up the IP interfaces Configure 802 1Q Static VLANs The VLAN menu adds an entry to edit the VLAN definitions and to configu...

Page 148: ...VLANs Entry Settings Add To edit an existing 802 1Q VLAN click the corresponding click box and then click the Edit button to open the following dialog box Figure 19 3 802 1Q Static VLANs Entry Setting...

Page 149: ...to be specified as member of a VLAN Tagged Allows an individual port to be specified as Tagging A Check in the Tagged field specifies the port as a Tagging member of the VLAN When an untagged packet i...

Page 150: ...sm that associates a port with a specific VLAN and is used to make forwarding decisions for untagged packets received by the port For example if port 2 is assigned a PVID of 3 then all untagged packet...

Page 151: ...RP menu in the VLAN Configurations folder select Enabled from the drop down menu and click on the Apply button GVRP may be disabled universally without changing any of the per port GVRP settings so th...

Page 152: ...4 0 0 decimal Using a 10 xxx xxx xxx IP address notation the above example would give 6 network addresses and 6 subnets Any IP address from the allowed range of IP addresses for each subnet can be cho...

Page 153: ...D Link DES 3326S Layer 3 Switch Figure 20 1 Setup IP Interface To setup an new IP interface click the New button Figure 20 2 Setup IP Interface Add 143...

Page 154: ...fields can be set Parameter Description Interface Name This field displays the name for the IP interface The default IP interface is named System IP Address Enter an IP address to be assigned to this...

Page 155: ...ocols subdirectory in the Layer 3 IP Networking folder Multicast Global Configurations IGMP Snooping DVMRP and PIM DM can be enabled or disabled on the switch without changing the individual protocol...

Page 156: ...ick the IGMP Snooping Configurations to open the following menu Figure 21 2 IGMP Snooping Configuration To edit an IGMP Snooping entry on the switch select the entry on the IGMP Snooping Configuration...

Page 157: ...ry messages including those sent in response to leave group messages The default is 1 second Querier State This field can be switched using the pull down menu between Disabled and Enabled Host Timeout...

Page 158: ...ace click the corresponding click box for that IP interface and click the Edit button This will open the following dialog box Figure 21 5 IGMP Interface Configuration Edit This dialog box allows the c...

Page 159: ...interface Query Interval 125 Allows the entry of a value between 1 and 65535 seconds with a default of 125 seconds This specifies the length of time between sending IGMP queries Max Response Time 10...

Page 160: ...elivery It relies upon RIP hop counts to calculate shortest paths back to the source of a multicast message but defines a route cost to calculate which branches of a multicast delivery tree should be...

Page 161: ...menu links are located in the PIM DM subdirectory located in the Layer 3 IP Networking configuration folder The Protocol Independent Multicast Dense Mode PIM DM protocol should be used in networks wit...

Page 162: ...his must be a previously defined IP interface IP Address Displays the IP address for the IP interface named above Hello Interval 30 This field allows an entry of between 0 and 18724 seconds and determ...

Page 163: ...h MAC addresses and IP addresses Static IP forwarding is accomplished by the entry of an IP address into the switch s Static IP Routing table Static routes that have been previously configured appear...

Page 164: ...kup Status Specify the route as Primary or Backup If a single IP route is used it is unnecessary to change this Designate a backup route if an alternate route is desired A backup IP route is sometimes...

Page 165: ...gs using this menu Figure 22 5 RIP Status RIP settings are configured for each IP interface on the Switch Click the RIP Interface Settings link in the RIP folder The menu appears in table form listing...

Page 166: ...isabled prevents the transmission of RIP packets RX Mode Disabled Toggle among Disabled V1 Only V2 Only and V1 or V2 This entry specifies which version of the RIP protocol will be used to interpret re...

Page 167: ...advisable to begin with the backbone area 0 and work outward The Link State Algorithm An OSPF router uses a link state algorithm to build a shortest path tree to all destinations known to the router T...

Page 168: ...lays in sending packets over a 56 Kbps dial up connection than over a 10 Mbps Ethernet connection The formula used to calculate the OSPF cost is as follows Cost 100 000 000 bandwidth in bps As an exam...

Page 169: ...ed in the Router A s shortest path tree The resulting tree will look like this Router A Router B Router C 128 213 0 0 192 213 11 0 222 211 10 0 0 10 10 5 10 Figure 23 3 Constructing a Shortest Path Tr...

Page 170: ...by Border Routers and describe links to networks outside the area but within the Autonomous System AS Network Link State Updates issued by multi access areas that have more than one attached router On...

Page 171: ...e is at the center of all other areas all areas of the network have a physical or virtual connection to the backbone through a router OSPF allows routing information to be distributed by forwarding it...

Page 172: ...been seen before its neighbors declare the OSPF router down OSPF routers exchange Hello packets on each segment in order to acknowledge each other s existence on a segment and to elect a Designated R...

Page 173: ...ry The primary router will poll the secondary for information Exchange Routers will describe their entire link state database by sending database description packets Loading The routers are finalizing...

Page 174: ...f the packet s contents except for the 64 bit authentication field Authentication Type The type of authentication to be used for the packet Authentication A 64 bit field used by the authentication sch...

Page 175: ...he view of the advertising router The DR is identified here by its IP interface address on the network Backup Designated Router The identity of the Backup Designated Router BDR for this network The BD...

Page 176: ...increments until the complete database description has been sent The rest of the packet consists of a list of the topological database s pieces Each link state advertisement in the database is descri...

Page 177: ...te advertisements may be included in a single packet Link State Update packets are multicast on those physical networks that support multicast broadcast In order to make the flooding procedure reliabl...

Page 178: ...ce Link State Advertisement Formats There are five distinct types of link state advertisements Each link state advertisement begins with a standard 20 byte link state advertisement header Succeeding s...

Page 179: ...are as follows Type Description 1 Router Links Network Links Summary Link IP Network Summary Link ASBR AS External Link Link State ID This field identifies the portion of the internet environment tha...

Page 180: ...ervice TOS Router links advertisements are flooded throughout a single area only Table 9 Routers Links Advertisement Field Description V bit When set the router is an endpoint of an active virtual lin...

Page 181: ...nection it specifies the interface s MIB II ifIndex value For other link types it specifies the router s associated IP interface address This latter piece of information is needed during the routing t...

Page 182: ...Length Network Link Advertisements 2 Network Mask Attached Router Table 11 Network Link Advertisement Field Description Network Mask The IP address mask for the network Attached Router The Router Ids...

Page 183: ...ised for each IP Type of Service Note that the cost for TOS 0 must be included and is always listed first If the T bit is reset in the advertisement s Option field only a route for TOS 0 is described...

Page 184: ...ink State Sequence Number Link State Checksum Length Network Mask TOS Metric AS External Link Advertisements 5 Forwarding Address External Route Tag E Table 13 AS External System Advertisement Field D...

Page 185: ...SPF Interface Configuration OSPF Virtual Interface Settings Area Aggregation Configuration OSPF Host Route Settings Route Redistribution Settings This chapter describes how to configure OSPF settings...

Page 186: ...ogy information to the OSPF routing domain MD5 Keys created here are entered in when setting up OSPF interfaces Please read the description in the section below about OSPF Interface Settings To config...

Page 187: ...general OSPF configuration Parameter Description OSPF Route ID A 32 bit number in the same format as an IP address xxx xxx xxx xxx that uniquely identifies the Switch in the OSPF domain It is common...

Page 188: ...nd then click the Edit button Figure 24 7 OSPF Area Setting Edit The following fields can be set or are displayed Parameter Description Area ID A 32 bit number in the form of an IP address xxx xxx xxx...

Page 189: ...ppear listed To configure an OSPF Interface click on the OSPF Interface Configuration link Figure 24 8 OSPF Interface Configuration All of the IP Interfaces currently configured on the switch will be...

Page 190: ...n None Simple and MD5 using the space bar This allows a choice of authorization schemes for OSPF packets that may be exchanged over the OSPF routing domain None specifies no authorization Simple uses...

Page 191: ...s The Hello Interval Dead Interval Authorization Type and Authorization Key should have identical settings for all routers on the same network Dead Interval Specify the length of time between receivin...

Page 192: ...gation Configuration To add an OSPF Area Aggregation entry on the switch click the New button Figure 24 13 OSPF Aggregation Configuration Add Specify the OSPF Aggregation settings and click the Apply...

Page 193: ...e 24 14 OSPF Host Route Settings To add a OSPF Host Route on the switch click the New button Figure 24 15 OSPF Host Route Settings Add Specify the host route settings and click the Apply button to add...

Page 194: ...ndividual routers current routing protocol The DES 3326S can redistribute routing information between the OSPF and RIP routing protocols to all routers on the network that are running OSPF or RIP Rout...

Page 195: ...otocol of the source device Available choices are RIP OSPF or Static Dest Protocol Allows the selection of the protocol of the destination device Available choices are RIP and OSPF Type Allows the sel...

Page 196: ...r Optic UTP Cat 5 for 100Mbps UTP Cat 3 4 5 for 10Mbps EIA TIA 568 100 ohm screened twisted pair STP 100m IEC 793 2 1992 Type A1a 50 125um multimode Type A1b 62 5 125um multimode Both types use SC opt...

Page 197: ...ng Temperature 0 to 50 degrees Celsius 32 to 122 degrees Fahrenheit Storage Temperature 25 to 55 degrees Celsius 13 to 131 degrees Fahrenheit Humidity Operating 5 to 95 RH non condensing Storage 0 to...

Page 198: ...rformed between an IP address and a subnet mask Subnet Address another name for network address IP Addresses The Internet Protocol IP was designed for routing data between network sites Later it was a...

Page 199: ...classes makes the task of dividing a network into subnets a bit easier There are 5 address classes The first 4 bits in the IP address determine which class the IP address falls in Class A addresses b...

Page 200: ...he IP address Multiplying the number of subnets by the number of nodes available per subnet gives the total number of nodes for the entire network For example 00001010 00101010 01001001 11010010 10 42...

Page 201: ...5636 9 255 255 128 0 17 510 32766 16710660 10 255 255 192 0 18 1022 16382 16742404 11 255 255 224 0 19 2046 8190 16756740 12 255 255 240 0 20 4094 4094 16760836 13 255 255 248 0 21 8190 2046 16756740...

Page 202: ...26 510 64260 8 255 255 255 0 24 254 254 64516 9 255 255 255 128 25 510 126 64260 10 255 255 255 192 26 1022 62 63364 11 255 255 255 224 27 2046 30 61380 12 255 255 255 240 28 4094 14 57316 13 255 255...

Page 203: ...I model is shown below note that this is not a complete listing of the protocols contained within each layer of the model Figure B 1 OSI Seven Layer Network Model Each layer is a distinct set of progr...

Page 204: ...s defined Layer 2 This layer commonly called the Switching layer allows end station addressing and the establishment of connections between them Layer 2 Switching forwards packets based on the unique...

Page 205: ...are received by the appropriate computers It keeps track of what is sent and what is received and retransmits any packets that are lost or dropped TCP also handles the division of large messages into...

Page 206: ...nt of time the data is resent The window field controls the amount of data being sent at any one time It would require too much time and overhead to acknowledge each packet received Each end of the TC...

Page 207: ...ype code There is no relationship between the MAC address of a network node and its IP address There must be a database of Ethernet addresses and their corresponding IP addresses Different protocol fa...

Page 208: ...ds to be different It is possible for example for two users to send files to the same destination at the same time This could give the following connection numbers Internet addresses TCP ports Connect...

Page 209: ...hat hierarchical fashion A single server often holds names for a single network which is connected to a root DNS server usually maintained by an ISP Domain Name Resolution The domain name system can b...

Page 210: ...e expires the network device sends a message to the DHCP server requesting a lease renewal The DHCP server can send an acknowledgement containing a new lease and updated configuration information If a...

Page 211: ...ts the local network to a backbone network or to the Internet This default gateway is also used whenever no specific route is found for a packet or when there are several gateways on a network Local c...

Page 212: ...n field of the packets to be sent If the remote computer does not have an ARP cache entry the local computer must send an ARP request and wait for a reply When the local computer receives the ARP repl...

Page 213: ...ses For example the block of multicast addresses ranging from 224 0 0 1 to 224 0 0 225 is reserved for use by routing protocols and some other low level topology discovery and maintenance protocols So...

Page 214: ...hip Query if Group Address is Present 0x16 Membership Report version 2 0x17 Leave a Group version 2 0x12 Membership Report version 1 Multicast routers use IGMP to manage multicast group memberships An...

Page 215: ...eceive at least one copy of the multicast packet There are some obvious disadvantages to this simple algorithm Flooding duplicates a lot of packets and uses a lot of network bandwidth A multicast rout...

Page 216: ...subnetwork Since multicast packets are forwarded through the shortest route between source and destination RPB is fast A given router also does not need information about the entire spanning tree nor...

Page 217: ...devices running RIP active and passive Active devices advertise their routes to others through RIP messages while passive devices listen to these messages Both active and passive routers update their...

Page 218: ...default route The distances measured in router hops are entered in the Distance to Source Network and Distance to Destination Network fields RIP 1 Route Interpretation RIP 1 Message RIP is not limited...

Page 219: ...sion 2 can be used to propagate variable length subnet addresses or CIDR classless addresses RIP version 2 also adds an explicit next hop entry which speeds convergence and helps prevent the formation...

Page 220: ...et is 100Mbps BOOTP The BOOTP protocol allows you to automatically map an IP address to a given MAC address each time a device is startesd In addition the protocol can assign the subnet mask and defau...

Page 221: ...EE 802 1w SLIP Serial Line Internet Protocol A protocol that allows IP to run over a serial line connection SNMP Simple Network Management Protocol A protocol originally designed to be used in managin...

Page 222: ...ced Hardware is delivered If a material defect is incapable of correction or if D Link determines in its sole discretion that it is not practical to repair or replace the defective Hardware the price...

Page 223: ...nd shipped in strict compliance with the foregoing requirements or for which an RMA number is not visible from the outside of the package The product owner agrees to pay D Link s reasonable handling a...

Page 224: ...and exclusions may not apply This limited warranty provides specific legal rights and the product owner may also have other rights which vary from state to state Trademarks Copyright 2005 D Link Corp...

Page 225: ...ink or for which the purchase price is refunded shall become the property of D Link upon replacement or refund Limited Software Warranty D Link warrants that the software portion of the product Softwa...

Page 226: ...charges are prepaid by the customer D Link may reject or return any product that is not packaged and shipped in strict compliance with the foregoing requirements or for which an RMA number is not visi...

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Page 240: ...tralia 1 Giffnock Avenue North Ryde NSW 2113 Australia TEL 61 2 8899 1800 FAX 61 2 8899 1868 URL www dlink com au India D Link House Kurla Bandra Complex Road Off CST Road Santacruz East Mumbai 400098...

Page 241: ...________ Others__________________________________________ 6 What network medium media does your organization use 9 Would you recommend your D Link product to a friend _________________________________...

Page 242: ......