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    Checklist for Monitoring the FEB

    Purpose

    You monitor the Forwarding Engine Board (FEB) on an M5, M10, and M120 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 1.)

    Action

    Table 1: Checklist for Monitoring the FEB

    Monitor FEB Tasks

    Command or Action

    Monitor the FEB Status
    1. Display the FEB Environmental Status

    show chassis environment

    1. Display the FEB Detailed Status

    show chassis feb

    Verify FEB Failure
    1. Check the FEB Uptime

    show chassis feb

    1. Check the System Uptime

    show system uptime

    1. Check the FEB Connection

    Check that the screws at the top of the FEB are securely tightened.

    1. Perform a Swap Test on the FEB
    1. Power down the router.
    2. Remove the FEB.
    3. Replace the FEB with one that you know works.
    Obtain FEB Hardware Information
    1. Display the FEB Hardware Information

    show chassis hardware

    1. Display the FEB Firmware Information

    show chassis firmware

    1. Locate the FEB Serial Number ID Label

    Look near the back on the right side of the FEB.

    Return the FEB

    See Return the Failed Component, or follow the procedure in the M5 and M10 Internet Router Hardware Guide and M120 Multiservice Edge Router Hardware Guide.

     

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    Published: 2012-08-20