Display SSB Error Messages in the System Log File
Purpose
To determine the details of the SSB error messages in the system log file.
Action
Periodically check the system log messages on the management console for messages sent by the SSB. During normal operation, the SSB notifies the Routing Engine of any errors it detects.
To display the SSB error messages in the system log file, use the following CLI command:
Sample Output
user@host> show log messagesJul 10 13:28:45 myrouter /kernel: fxp1: media DOWN 100Mb / full-duplex Jul 10 13:28:45 myrouter /kernel: fxp1: media DOWN 10Mb / half-duplex Jul 10 13:28:45 myrouter /kernel: fxp1: media DOWN 100Mb / full-duplex Jul 10 13:28:45 myrouter /kernel: fxp1: link UP 100Mb / full-duplex Jul 10 13:28:45 myrouter rpd[564]: EVENT <UpDown> fxp1.0 index 1 <Up Broadcast Multicast> address #0 0.a0.a5.12.1d.6d Jul 10 13:28:45 myrouter mib2d[563]: SNMP_TRAP_LINK_UP: ifIndex 2, ifAdminStatus up(1), ifOperStatus up(1), ifName fxp1 [...Output truncated...]
Meaning
The messages system log file records the time the failure or event occurred, the severity level, a code, and a message description. You can also use the show log messages | match ssb command to see error messages that are generated when an SSB fails or is offline. Use this information to diagnose a problem and to let the Juniper Networks Technical Assistance Center (JTAC) know what error messages were generated and the router events that occurred before and after the problem. For more information about system log messages, see the Junos OS System Log Messages Reference.
