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SFPSHOW command

  • 1.  SFPSHOW command

    Posted 05-11-2017 07:45 AM

    sfpshow 18

    Port 18 does not use an SFP or is disabled


     This is the message what I get when I try running this command.




  • 2.  Re: SFPSHOW command

    Posted 05-11-2017 08:57 AM



    Generally this is the case when port is Disabled (Persistent).

    Can you verify by providing switchshow output?


  • 3.  Re: SFPSHOW command

    Posted 05-11-2017 08:59 AM



    Hi ,


    First Steps  to troubleshoot :


    check hardware : SFP , cable .

    Possible I2C bus issue.

    Verified port speed .


    To bring the port back online, the port needs to be reinitialized to clear the Port_Flt status.

    On the disabled port, execute the following two commands:






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