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    Monitoring the SIBs

    Purpose

    You monitor the Switch Interface Boards (SIBs) that provide the switching function to the destination Flexible PIC Concentrator (FPC). The SIBs create the switch fabric for the routing platforms, providing up to a total of 640 million packets per second (Mpps) of forwarding. (See Table 1.)

    Action

    Table 1: Checklist for Monitoring the SIBs

    Monitor SIB Tasks

    Command or Action

    Monitoring the SIB Status
    1. Displaying the SIB Summary Status

    show chassis sibs

    1. Displaying the SIB LED Status at the Command Line

    show chassis craft-interface

    1. Check the SIB LED Status on the Faceplate

    Check the SIB faceplate at the back of the T320 router, T640 router , T1600 router, TX Matrix router, and TX Matrix Plus router chassis.

    1. Displaying the SIB Environmental Status

    show chassis environment

    show chassis environment sib slot

    Displaying SIB Alarms
    1. Display Current SIB Alarms

    show chassis alarms

    1. Display SIB Error Messages in the System Log File

    show log messages| match sib

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

    show log chassisd | match sib

    Verifying SIB Failure
    1. Check the SIB Connection
    1. Make sure that the SIB is properly seated in the midplane.
    2. Ensure that none of the pins are bent.
    3. Check the thumbscrews on the ejector locking tabs.
    1. Check the SIB Fuses

    The fuses for the SIBs are located in the rear of the midplane behind the power supply in slot PEM0.

    1. Perform a SIB Swap Test
    1. Take the SIB offline.
    2. Replace the SIB with one that you know works.
    3. Bring the SIB online.
    4. Check the SIB status.
    Getting SIB Hardware Information
    1. Display SIB Hardware Information

    show chassis hardware

    1. Locate the SIB Serial Number ID Label

    Look on the top left of the SIB component.

    Returning the SIB

    Follow the procedure in the appropriate router hardware guide.

     

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    Published: 2012-08-20