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Occasional port flapping on cluster ports in MetroCluster IP system

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metrocluster
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Applies to

  • ONTAP 9
  • MetroCluster IP
  • Cisco back-end switches
  • Optical transceivers (X65405)

Issue

  • Occasional port flapping on cluster ports:

[?]  Tue Nov 05 10:05:13 +0100 [NodeA1: vifmgr: vifmgr.portdown:notice]: A link down event was received on node NodeA1, port e1a.
[?]  Tue Nov 05 11:23:10 +0100 [NodeA1: vifmgr: vifmgr.portdown:notice]: A link down event was received on node NodeA1, port e1a.

  • Links come back up a few seconds later by themselves 

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