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IX4-T 1Gb ports negotiate down to 100Mbps

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Applies to

  •  FAS8200
  • ONTAP 9.7P22

Issue

  • InterCluster LIF that is used for snapmirror hosted on port e0c of a node operates at 100 Mbps instead of 1 Gbps.
  • The switch side port configuration shows 1Gb
  • The snapmirror lag is observed on of the node only

Node 1:
slot 0: 1/10 Gigabit Ethernet Controller IX4-T
e0c MAC Address:    XX:XX:XX:XX:XX:XX (auto-1000t-fd-up)
e0d MAC Address:     XX:XX:XX:XX:XX:XX (auto-unknown-fd-down)
Node 2:
slot 0: 1/10 Gigabit Ethernet Controller IX4-T
e0c MAC Address:     XX:XX:XX:XX:XX:XX (auto-100tx-fd-up) 
e0d MAC Address:    XX:XX:XX:XX:XX:XX(auto-unknown-fd-down)

  • Issue persists post reseating/replacing the cable

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