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Summit X670V-48X port not getting up with auto negotiation off, speed 1G settings with 1G Fiber SFP Optics

  • Article Type:
  • Solution
  • Article Number:
  • 000001048
  • Last Modified:
  • 2/17/2016


  • Port goes down after configuring auto off , speed 1000 settings at both ends with 1G fiber optics
  • Port goes up after issuing commands:
         configure port X auto on speed 1000 duplex full
         configure port X auto off speed 1000 duplex full
  • Port goes down again after switch restart/module re-insertion
  • Other end switches may be Summit switch or another vendor's switch


  • Summit X670V-48X
  • All EXOS Version


EXOS Code issue


Fixed in Version, Version

Additional notes