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Chapter 35
Monitoring the FEB
You monitor the Forwarding Engine Board (FEB) on an M5 and M10 router to ensure
that forwarding processes occur, such as route lookups, incoming data packet
allocation, outgoing data packet transfer, and exception and control packet transfer.
(See Table 105.)
Table 105: Checklist for Monitoring the FEB
Monitor FEB Tasks Command or Action
Understanding the FEB on page 454
Monitoring the FEB Status on page 455
1. Display the FEB Environmental Status on page 455 show chassis environment
2. Display the FEB Detailed Status on page 456 show chassis feb
Verifying FEB Failure on page 456
1. Check the FEB Uptime on page 457 show chassis feb
2. Check the System Uptime on page 457 show system uptime
3. Check the FEB Connection on page 457 Check that the screws at the top of the FEB are securely
tightened.
4. Perform a Swap Test on the FEB on page 458 1. Power down the router.
2. Remove the FEB.
3. Replace the FEB with one that you know works.
Getting FEB Hardware Information on page 459
1. Display the FEB Hardware Information on page 459 show chassis hardware
2. Display the FEB Firmware Information on page 459 show chassis firmware
3. Locate the FEB Serial Number ID Label on page 460 Look near the back on the right side of the FEB.
Returning the FEB on page 460 See “Return the Failed Component” on page 86, or follow the
procedure in the M5 and M10 Internet Router Hardware Guide.
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