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    Checklist for Monitoring the CFEB

    Purpose

    To monitor the Compact Forwarding Engine Board (CFEB), which provides route lookup, filtering, and switching on incoming data packets, then directs outbound packets to the appropriate interface for transmission to the network. (See Table 1.)

    The M7i router CFEB can process 8 million packets per second (Mpps); the M10i router CFEB can process 16 Mpps.

    The CFEB communicates with the Routing Engine using a dedicated 100-Mbps Fast Ethernet link that transfers routing table data from the Routing Engine to the forwarding table in the integrated ASIC. The link is also used to transfer from the CFEB to the Routing Engine routing link-state updates and other packets destined for the router that have been received through the router interfaces.

    Action

    Table 1: Checklist for Monitoring the CFEB

    Monitor CFEB Tasks

    Command or Action

    Monitor the CFEB Status
    1. Display the CFEB Environmental Status

    show chassis environment

    1. Display the CFEB Detailed Status

    show chassis cfeb

    1. Check CFEB LEDs

    Look at the LEDs on the CFEB faceplate located on the rear of the router above the power supplies.

    Display CFEB Alarms
    1. Check for CFEB Alarms

    show chassis alarms

    (M7i router) Look at the alarm LEDs on the right side of the Fixed Interface Card (FIC).

    (M10i router) Look at the alarm LEDs on the right side of the High-Availability Chassis Manager (HCM).

    1. Check the CFEB LEDs

    Look at the three LEDs located on the component faceplate. The CFEB is located on the rear of the router above the power supplies.

    1. Display CFEB Error Messages in the System Log File

    show log messages | match cfeb

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

    show log chassisd | match cfeb

    Verify CFEB Failure
    1. Check the CFEB Uptime

    show chassis cfeb

    1. Check the System Uptime

    show system uptime

    1. Check the CFEB Connection

    Check that the thumbscrews on each CFEB ejector lever are securely tightened.

    1. Perform a Swap Test on the CFEB
    • Before performing a swap test, always check for bent pins in the midplane and check the CFEB for stuck pins in the connector.
    • Power down the CFEB before removing it by pressing and holding down the offline button on the faceplate until the amber LED labeled FAIL lights, or by using the request chassis cfeb offline command.
    • Power up the CFEB after installing it by pressing and holding down the offline button on the CFEB faceplate until the green LED labeled Output OK lights steadily, or by using the request chassis cfeb online command.
    • Follow the procedure in the appropriate router hardware guide for replacing and installing a CFEB.
    Obtain CFEB Hardware Information
    1. Display the CFEB Hardware Information

    show chassis hardware

    1. Display the CFEB Firmware Information

    show chassis firmware

    1. Locate the CFEB Serial Number ID Label

    Look on the right side of the CFEB top panel.

    Return the CFEB

    See Replace a Failed Component or follow the procedure in the appropriate router hardware guide.

     

    Related Documentation

     

    Published: 2012-08-20