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ONTAP FC port shows low receive power (RX) value

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Category:
fabric-interconnect-and-management-switches
Specialty:
san
Last Updated:

Applies to

  • ONTAP
  • FCP

Issue

  • FC port shows low RX value on ONTAP. No other errors are seen.
  • From FCP-Adapter.xml logs on ONTAP:
clipboard_ec0f0a4c94ba65f31b0b55224ef860c61.png
 
  • From sfpshow logs from Brocade switch:
RX Power:    -1.9    dBm (647.5uW) 
TX Power:    -4.6    dBm (349.3 uW)

 
  • TX power seems to be low compared to RX.
  • FC cable was already replaced; no change.
  • No patch panels are involved.

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