Table 100: Checklist For Monitoring The Control Board - Juniper M Series Monitoring And Troubleshooting Manual

M Series and T Series Routers Monitoring and Troubleshooting Guide
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Understanding the Control Board
382
Table 100: Checklist for Monitoring the Control Board (continued)
Monitor the Control Board Tasks
2. Check the Control Board LEDs on
page 391
3. Display Control Board Error Messages
in the System Log File on page 392
4. Display Control Board Error Messages
in the Chassis Daemon Log File on
page 392
"Verify Control Board Failure" on page 393
1. Check the Control Board Connection
on page 393
2. Check the Control Board Fuses on
page 393
3. Perform a Control Board Swap Test
on page 394
4. Display the Control Board Hardware
Information on page 395
5. Locate the Control Board Serial
Number ID Label on page 396
"Return the Control Board" on page 399
Control Board Overview on page 383
Control Board Overview on page 383
M320 Router Control Board on page 383
T320 Router Control Board on page 383
T640 Router Control Board on page 384
Command or Action
Look at the LEDs on the Control Board
faceplate.
show log messages | match cb
show log chassisd | match cb
1. Make sure that the Control Board is
properly seated in the midplane.
2. Ensure that none of the pins are bent.
3. Check the thumbscrews on the ejector
locking tabs.
The fuses for the Control Boards are located
in the rear of the midplane behind the power
supply in slot .
PEM0
1. Take the host subsystem offline if the
Control Board is master.
2. Replace the Control Board with one that
you know works.
3. Bring the Control Board online.
4. Check the Control Board status.
show chassis hardware
Look on the bottom of the left side of the
Control Board.
Follow the procedure in the appropriate
hardware guide.
Copyright © 2012, Juniper Networks, Inc.