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Port goes to ready state after reboot or reset the I/O module with auto negotiation ON with speed 1G settings on 10G Fiber SFP+ Optics.

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TitlePort goes to ready state after reboot or reset the I/O module with auto negotiation ON with speed 1G settings on 10G Fiber SFP+ Optics.
Symptoms
  • Configure  auto negotiation ON with speed 1G on 10G fiber SFP+ optics ports.
  • The port configuration is:
    configure port X auto on speed 1000 duplex full
  • Port goes down after switch reboot or reset of I/O module.
  • The port is connected to any switches. 
  • The port comes up only if we reset the SFP+
Environment
  • BlackDiamond X8
  • BD 8900-G48X-xl
  • 10GBASE-LR SFP+
  • All EXOS versions
Cause
Inconsistent of the ports. 
Resolution
It is not recommaned to configure 10G ports as 1G port. 
Additional notes

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