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    Related Documentation


    Checklist for Monitoring the SCB


    You monitor and maintain the M40 router System Control Board (SCB), the control board for the Packet Forwarding Engine, to ensure that it provides route lookups, system component monitoring, exception and control packet transfer, and Flexible PIC Concentrator (FPC) operation and reset control. (See Table 1.)


    Table 1: Checklist for Monitoring the SCB

    Monitor SCB Tasks

    Command or Action

    Monitor the SCB Status

    1. Display the SCB Environmental Status

    show chassis environment

    1. Display the SCB Detailed Status

    show chassis scb

    1. Check the SCB LED Status

    Check the LEDs on the SCB faceplate.

    Check for SCB Alarms

    1. Display SCB Error Messages in the System Log File

    show log messages

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

    show log chassisd

    Verify SCB Failure

    1. Check the SCB Connection

    Ensure that the SCB is securely seated. Tighten the captive screws at the top and bottom of the SCB card carrier.

    1. Perform an SCB Swap Test

    Remove the failed SCB and replace it with one that you know works.

    Obtain SCB Hardware Information

    1. Display the SCB Hardware Information

    show chassis hardware

    1. Locate the SCB Serial Number ID Label

    Look on the front of the SCB board near the faceplate.

    1. Display the SCB Firmware Version

    show chassis firmware

    Return the SCB

    See Return the Failed Component.


    Related Documentation


    Published: 2012-08-20