Symbol WS5000 Series, Troubleshooting Manual

Page 1: ...WS5000 Series Switch Troubleshooting Guide...

Page 2: ...mplied license only exists for equipment circuits and subsystems contained in Symbol products Symbol the Symbol logo are registered trademarks of Symbol Technologies Inc IBM is a registered trademark...

Page 3: ...1 1 3 Switch Does Not Obtain an IP Address through DHCP 1 2 1 1 4 Switch is Stuck in a Booting Loop 1 3 1 1 5 Unable to Telnet into the Switch 1 3 1 1 6 GUI Applet is Sluggish Does Not Refresh Properl...

Page 4: ...ssive Fragmented Data or Excessive Broadcast 1 11 1 6 2 Excessive Memory Leak 1 11 1 6 3 Administrative Login Does Not Authenticate 1 11 1 7 System Logging Mechanism 1 12 Chapter 2 Service Mode CLI Co...

Page 5: ...v 2 2 22 shell 2 15 2 2 23 show 2 15 2 2 24 watchdog 2 16 Chapter 3 Network Events Chapter 4 MU Disassociation Codes...

Page 6: ...WS5000 Series Switch Troubleshooting Guide vi...

Page 7: ...uide Service Information Who Should Use this Guide The WS5000 Series Switch Troubleshooting Guide is intended for system administrators maintaining and troubleshooting issues encountered with the WS50...

Page 8: ...on about a process or condition that could cause bodily injury Before you work on any equipment be aware of physical and electrical hazards and follow standard practices for preventing accidents Table...

Page 9: ...e the problem yourself If you are still having troubles contact Symbol Customer Support See Symbol s Web site http www symbol com for Symbol Customer Support contact information and policies Note Befo...

Page 10: ...WS5000 Series Switch Troubleshooting Guide x...

Page 11: ...iagnosing the cause of a problem Wherever possible it includes possible suggestions or solutions to resolve the issues The following sections are included Wireless Switch Issues Access Port Issues Mob...

Page 12: ...d if static IP addresses are not being used startup can be extremely slow This is normal 1 1 3 Switch Does Not Obtain an IP Address through DHCP The WS5000 Series Switch requires a routable IP address...

Page 13: ...on NIC 2 that is the Ethernet port that is not managing the RF network Enable DHCP use the CLI command or the GUI to enable DHCP on the Ethernet port not managing the RF network NIC 2 Verify that DHC...

Page 14: ...Contact Symbol Support Table 1 5 GUI Applet is Sluggish Does Not Refresh Properly or Does Not Respond Troubleshooting Notes Possible Issue Suggestions to Correct Bad connection between switch and cons...

Page 15: ...nd resets the system 2 From the DIAG prompt invoke the restore default configuration command DIAG restore default config cfg 3 From the DIAG prompt invoke the restore system image command Restore a kn...

Page 16: ...erify that the access ports are connected to the network and powered on Switch is configured as Standby switch Verify that the switch is not configured as a Standby system prior to adopting any access...

Page 17: ...WLAN_Name Incorrect ESSID applied to the MU Verify on the MU that the correct ESSID has been applied to the MU Encryption key s for the MU is incorrect Verify that the encryption key s on the MU was e...

Page 18: ...to Correct Preamble differences Verify that the Preamble matches between switch and MUs Try a different setting Use the show command from the Access Port Policy Instance prompt WS5000 Cfg APPolicy Nam...

Page 19: ...e Primary and Secondary switch are configured properly and attempt to ping each switch using the ping command from each switch Other problems as listed in switch logs Review the local logs on the Stan...

Page 20: ...gs are saved during an upgrade Kerberos DHCP SNMP clients and traps Syslog Autoinstall Status Service Mode password Files hosts resolv conf rc network inetd conf Database tables and records All other...

Page 21: ...n the local or remote port Access restrictions can be disabled from a remote console but cannot be enabled Table 1 14 Excessive Fragmented Data or Excessive Broadcast Troubleshooting Notes Possible Is...

Page 22: ...n locally on the switch The remote Syslog sends messages to a remote host All Syslog messages conform to the RFC 3164 message format Table 1 16 Administrative Login Does Not Authenticate Troubleshooti...

Page 23: ...and provide it to a Symbol Support Engineer who uses this data to examine the system status To enter Service Mode Configuration context invoke the service command within the System or Configuration c...

Page 24: ...sitive but all user data is case sensitive Any time a name is assigned that contains two or more words separated by a space use double quotes around the words that make up the name For example SM WS50...

Page 25: ...age files from the memory page 2 9 description Set description text page 2 9 directory Display the available image files in memory page 2 10 emergencymode Enable or disable Emergency Mode page 2 10 ex...

Page 26: ...able disable watch dog timer SM WS5000 2 2 2 logout or bye Exits service mode and logs the user out of the switch Identical to the command bye Syntax bye Parameters None Example SM WS5000 bye Logging...

Page 27: ...x check install Parameters Example SM WS5000 check install Total failures 0 SM WS5000 2 2 6 clear Clears the screen contents and returns to the service mode prompt Syntax clear Parameters None Example...

Page 28: ...Set or display system time and or date delete Delete an image files from the memory description Set description text directory Display the available image files in memory emergencymode Enable or disa...

Page 29: ...ILES LARGER THAN 32MB Syntax For TFTP copy source destination For FTP copy source destination u ftp_user m ftp_mode Parameters Example SM WS5000 copy tftp system Enter the file name to be copied from...

Page 30: ...Error messages events enable disable Events info general enable disable General messages corba enable disable CORBA handling threads enable disable Process thread info packets enable disable Packets d...

Page 31: ...5000 delete WS5000Defaults_v1 4 1 0 003D cfg 2 2 11 description Sets the description text for the switch Syntax description description_text Parameters Example SM WS5000 description WS5000 Wireless Ne...

Page 32: ...h Policy ESP This is a switch policy that can activated enabled at any time in case of an emergency When ESP is deactivated disabled the previous switch policy is reactivated Define an Emergency switc...

Page 33: ...program its path must be available in the environment variable PATH When executing a command the command must be available in the butterfly scripts engg directory with executable permission Syntax la...

Page 34: ...ax password actual password Parameters Example SM WS5000 password Changing CLI Service Mode password Enter the new password Confirm the new password CLI Service Mode password update successful SM WS50...

Page 35: ...al n Numeric output only No attempt will be made to lookup symbolic names for host addresses q Quiet output Nothing is displayed except the summary lines at startup time and when finished r Bypass the...

Page 36: ...ion from siteconfig cfg Restoring Wireless Network Management Configuration This may take a few mins Restoring configuration from siteconfig cfg Software Ver 1 4 1 0 003D Starting the Wireless Switch...

Page 37: ...ort Policy show ce Display Classifiers show cg Display Classification Group show channelinfo Display channel no and country code details show chassis Display Chassis details show configaccess Display...

Page 38: ...details show snmpstatus Display SNMP status show ssh Display SSH configuration show standby Display Standby configuration show switchpolicy Display Switch Policy show sysalerts Display system alert lo...

Page 39: ...n Lookup Table 3 2 Network Event Course of Action Lookup on page 3 7 Table 3 1 Network Event Message Parameter Description Lookup ID Event Message Parameters 0 License number change Changed license le...

Page 40: ...ilure limit exceeded Access port XX was not adopted because maximum limit has been reached XX MAC xx xx xx xx xx xx address of the access port 8 AP adopt failure license disallow License denied access...

Page 41: ...ssage from XX whose parent is YY XX MAC xx xx xx xx xx xx address of the access port YY MAC xx xx xx xx xx xx address of the switch to which the access port is adopted 18 Device msg dropped loadme Dro...

Page 42: ...inutes 28 MU Kerberos auth failed MUs failed to authenticate with the KDC at MU_MAC_address Error code code MAC address of MU MAC xx xx xx xx xx of Radius server port on Radius server radius error cod...

Page 43: ...ius server timeout Radius server s is unreachable radius server name 40 KDC user added Adding KDC User username time timestamp user name timestamp 41 KDC user changed Changed KDC User username time ti...

Page 44: ...x xx Channel integer 53 Emergency Policy active EmergencySwitchPolicyEmergencySwitch Policy is activated Emergency Switch Policy string 54 Emergency Policy deactivated EmergencySwitchPolicyEmergencySw...

Page 45: ...ion valid for d minutes or no re authentication period set MAC of MU EAP type of minutes No valid channel for 802 11 s radio Adoption is denied type of radio A or B or FH No valid country info for 802...

Page 46: ...Or the access port s logical connection to the network has changed causing itto be connectedto the other Ethernet port of the switch If intentional the access port must be removed from the switch and...

Page 47: ...has changed to Alert 13 AP status reset Lost heartbeat 14 AP config failed wrong ESS There are no in use WLANs configured on this switch This access port will have an Alert status until it is configu...

Page 48: ...ess port None 24 MU status roamed A MU roamed from to another access port Refer to reason codes table for an explanation 25 MU status disassociated A MU disassociated from an access port 26 MU EAP aut...

Page 49: ...er changed 42 KDC user deleted 43 KDC DB replaced 44 KDC propagation failure Host name is unknown 45 WPA counter measures active The switch will be down for a short length of time and then come back u...

Page 50: ...active The Emergency Switch Policy is activated 54 Emergency Policy deactivated The Emergency Switch Policy is deactivated 55 Low flash space on switch alert The used disk space exceeds 80 This will b...

Page 51: ...eserved internally to indicate success 1 REASON_CODE_80211_UNSPECIFIED_ERROR Unspecified reason 3 DISASSOCIATION_REASON_CODE_STATION_LEAVING_ESS Deauthenticated because sending station has left or is...

Page 52: ...associated request probe response beacon 18 DISASSOCIATION_REASON_CODE_MULTICAST_CIPHER_INVALID Multicast cipher is not valid 19 DISASSOCIATION_REASON_CODE_UNICAST_CIPHER_INVALID Unicast cipher is no...

Page 53: ...in attempting to deliver a 802 1x EAP message to the mobile unit without receiving a single 802 11 ACK The retry limit varies according to traffic type but is at least 64 times The mobile unit is eith...

Page 54: ...WS5000 Series Switch Trubleshooting Guide 4 4...

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Page 56: ...72E 71560 01 Revision A March 2005 Symbol Technologies Inc One Symbol Plaza Holtsville New York 11742 1300 http www symbol com...