Juniper JUNOS - NETWORK OPERATION GUIDE REV1 User Manual

Verifying SSB Failure ! 613
Chapter 46: Monitoring Redundant SSBs
Action To display the SSB error messages in the system log file, use the following CLI
command:
user@host> show log messages
Sample Output user@host> show log messages
Jul 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...]
What It Means 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 System Log
Messages Reference.
Step 3: Display SSB Error Messages in the Chassis Daemon Log File
Action To display the SSB error messages in the chassis daemon (chassisd) log file, use the
following CLI command:
user@host> show log chassisd
Sample Output user@host> show log chassisd
Jul 10 13:27:28 SSB0 is now not present
Jul 10 13:27:28 Assert reset on SSB0
Jul 10 13:27:28 Turn on ethernet loop
[...Output truncated...]
What It Means The command output displays the SSB hardware version level, part number, and
serial number.
Verifying SSB Failure
Steps To Take To verify SSB failure, follow these steps:
1. Check the SSB Connection on page 614
2. Perform a Swap Test on the SSB on page 614

Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Specifications

General

Brand	Juniper
Model	JUNOS - NETWORK OPERATION GUIDE REV1
Category	Software
Language	English