Verify Feb Failure; Check The Feb Uptime - Juniper M Series Monitoring And Troubleshooting Manual

Verify FEB Failure

Check the FEB Uptime

Purpose
Action
Sample Output
Meaning
Check the System Uptime
Purpose
Action
Sample Output
Copyright © 2012, Juniper Networks, Inc.
The FEB will either restart, keep crashing, or fail completely. If the FEB fails, you will loose
the router interface connections.
To verify FEB failure:
1. Check the FEB Uptime on page 557
Check the System Uptime on page 557
2.
Check the FEB Connection on page 558
3.
Perform a Swap Test on the FEB on page 558
4.
To check the FEB uptime. A short uptime can indicate an FEB failure.
To check the FEB uptime, use the following command:
user@host> show chassis feb
user@host> show chassis feb
FEB status:
Temperature
CPU utilization
Interrupt utilization
Heap utilization
Buffer utilization
Total CPU DRAM
Internet Processor II
Start time:
Uptime:
The command output displays how long the FEB has been operating. A short uptime can
indicate an FEB failure. Look for error messages that were generated at least 5 minutes
prior to the failure event by using the following command:
user@host> show log messages
To verify FEB failure by checking last boot time of the system.
To check the system uptime, use the following command:
user@host> show system uptime
user@host> show system uptime
Current time: 2002-07-17 16:43:45 PDT
System booted: 2002-07-12 17:29:12 PDT (4d 23:14 ago)
Protocols started: 2002-07-12 17:29:56 PDT (4d 23:13 ago)
24 degrees C / 75 degrees F
1 percent
0 percent
17 percent
44 percent
64 MB
Version 1, Foundry IBM, Part number 9
2002-07-12 17:30:43 PDT
0 days, 0 hours, 1 minutes, 0 seconds
Chapter 27: Monitoring the FEB
557