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    Checklist for Monitoring Redundant PCGs

    Purpose

    To monitor redundant Packet Forwarding Engine clock generators (PCGs) to ensure that a clocking signal is generated to synchronize the internal M40e and M160 router Packet Forwarding Engine components. (See Table 1.)

    Action

    Table 1: Checklist for Monitoring Redundant PCGs

    Monitor Redundant PCG Tasks

    Command or Action

    Display Redundant PCG Hardware Information

    show chassis hardware

    Monitor Redundant PCG Status
    1. Monitor the Redundant PCG Environmental Status

    show chassis environment

    show chassis environment pcg

    1. Display the Redundant PCG Status from the Craft Interface

    show chassis craft-interface

    1. Check the PCG LED Status on the Faceplate

    Remove the rear component cover and look on the PCG faceplate at the back of the M40e or M160 router chassis.

    Determine Redundant PCG Mastership
    1. Display the PCG Master from the Craft Interface

    show chassis craft-interface

    1. Check the PCG LEDs for Mastership on the Faceplate

    Remove the rear component cover and look on the PCG faceplate at the rear of the M40e or M160 router chassis.

    1. Display the Packet Forwarding Engine Current Clock Source

    show chassis clocks

    Display PCG Failure Alarms

    show chassis alarms

    Replace a PCG

    See Replace a Failed Component, or follow the procedure in the M40e or M160 router hardware guide.

    Bring the Replaced PCG Online

    request chassis pcg slot slot-number online

    Bring the Replaced PCG Online
    1. Verify That the Replaced PCG Is Online

    show chassis environment pcg

    1. Display PCG Messages in the System Log File

    show log messages | match PCG

    1. Display PCG Error Messages in the Chassis Daemon Log File

    show log chassisd | match PCG

     

    Related Documentation

     

    Published: 2012-08-20