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Troubleshooting M120 FEBs



Description: The FEBs are not functioning normally:


To troubleshoot the FEBs, follow these guidelines:

To troubleshoot the FEBs:

  • Check the FEB LEDs on the craft interface.

  • Make sure the FEB is properly seated in the midplane. Check that each ejector handle is fully engaged and flush with the FEB bulkhead.

  • Issue the CLI show chassis feb command to check the status of each of the installed FEBs. As shown in the sample output, the value Online in the column labeled State indicates that the FEB is functioning normally.

    user@host> show chassis feb

    For more detailed output, add the detail option. The following example also specifies a slot number (0), which is optional:

    user@host> show chassis feb detail 0

    You can also issue the show chassis environment feb command to check the status of a specific FEB. In the example below, the FEB is slot 0 is used. The output is similar to the following:

    user@host> show chassis environment feb 0