Action To display the SCG error messages in the system log file, use the following CLI command:
user@host> show log messages
Sample Output
t320@host> show log messages | match scg
Jan 28 14:53:10 utah chassisd[2384]: CHASSISD_FRU_OFFLINE_NOTICE: Taking SCG 0
offline - Offlined by cli command
Jan 28 14:53:10 utah craftd[2386]: Minor alarm set, SCG 0 Not Online
Jan 28 14:53:10 utah alarmd[2385]: Alarm set: SCG color=YELLOW, class=CHASSIS,
reason=SCG 0 Not Online
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
scgs command to see error messages that are generated when an SCG 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.
Display SCG Error Messages in the Chassis Daemon Log File
Purpose To determine the details of the SCG error messages in the chassis daemon log file.
Action To display the SCG error messages in the chassis daemon (chassisd) log file, use the
following command:
user@host> show log chassisd
Sample Output
t320@host> show log chassisd
Dec 17 11:11:12 SCG 1 removed
Dec 17 11:11:12 CHASSISD_FRU_OFFLINE_NOTICE: Taking SCG 1 offline - Removal
Dec 17 11:11:12 CHASSISD_SNMP_TRAP7: SNMP trap: FRU removal: jnxFruContentsIndex
11, jnxFruL1Index 2, jnxFruL2Index 0, jnxFruL3Index 0, jnxFruName SCG 1,
jnxFruType 2, jnxFruSlot 2
Meaning The chassisd database provides the date, time, and a component status message. The
chassisd database is dynamic. It is initialized at router startup and is updated when
components are added or removed.
Related
Documentation
Checklist for Monitoring the SCG on page 401•
Verify SCG Failure
To verify SCG failure:
1.
Check the SCG Connection on page 409
2.
Perform an SCG Swap Test on page 409
Copyright © 2012, Juniper Networks, Inc.408
M Series and T Series Routers Monitoring and Troubleshooting Guide
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