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Ports report down due to SFPs with different speed compatibility on storage and switch end

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Applies to

  • AFF/FAS
  • ONTAP 9

Issue

  • Ports report down when SFPs with different speed compatibility are used on each end (storage port & switch port)

sysconfig -a

slot 1: Quad 10G/25G Ethernet Controller CX5-Mezz
    e1b MAC Address:    d0:39:ea:c2:b0:86 (auto-unknown-fd-down)
        SFP Vendor:         FINISAR CORP.
        SFP Part Number:    FTLF8536P5BCL
        SFP Serial Number:  XXXXXXXX
    e1a MAC Address:    d0:39:ea:c2:b0:87 (auto-unknown-fd-down)
        SFP Vendor:         FINISAR CORP.
        SFP Part Number:    FTLF8536P5BCL
        SFP Serial Number:  XXXXXXXX

  • 25GB SFPs were used on controller side, 10GB SFPs were used on switch side

 

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