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Cluster port e3b momentarily down and up on AFF-A400

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aff-series
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hw
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Applies to

  • AFF-A400
  • ONTAP 9.16.1P9
  • Switchless cluster

Issue

The cluster port e3b on both nodes went down unexpectedly and came back up after 2 seconds

Example:

Mon Dec 29 11:43:42 [node-01: kernel: netif.linkDown:info]: Ethernet e3b: Link down, check cable.
Mon Dec 29 11:43:42 [node-01: vifmgr: vifmgr.clus.linkdown:EMERGENCY]: The cluster port e3b on node node-01 has gone down unexpectedly.
Mon Dec 29 11:43:44 [node-01: kernel: netif.linkUp:info]: Ethernet e3b: Link up.

Mon Dec 29 11:43:42 [node-02: kernel: netif.linkDown:info]: Ethernet e3b: Link down, check cable.
Mon Dec 29 11:43:43 [node-02: vifmgr: vifmgr.clus.linkdown:EMERGENCY]: The cluster port e3b on node node-02 has gone down unexpectedly.
Mon Dec 29 11:43:44 [node-02: kernel: netif.linkUp:info]: Ethernet e3b: Link up.

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