Switching

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Ask questions and share experiences about EX and QFX portfolios and all switching solutions across your data center, campus, and branch locations.

  • 1.  SFP power messages in log

    Posted 07-30-2009 06:46

    I'm getting these troubling messages in the log of a EX4200-24F switch

     

    chas[663]:  link 1 SFP receive power low  warning set
    chas[663]:  link 1 SFP receive power low  warning cleared

     

    every hour or so.  What does this mean, and how can I even find out with SFP it is?

     



  • 2.  RE: SFP power messages in log
    Best Answer

    Posted 07-30-2009 18:18

    "receive power low" means that the level of light being received is getting close to the minimum for operation. You may need a different sort of SFP if it is a long distance or you may have bad quality cables/connectors - or just too long a cable.

     

     

     



  • 3.  RE: SFP power messages in log

    Posted 07-31-2009 03:17

    Thank you, that is what I had assumed as well. 

    Which SFP is it though?  Link 1 refers to the first SFP or what?