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Network Interfaces Down After Azure NIC Detach Event on Cloud Volumes ONTAP

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Applies to

  • NetApp Cloud Volumes ONTAP (CVO)
  • ONTAP 9.15.1P8 (and similar versions)
  • Microsoft Azure deployments
  • NetApp-Console 

Issue

Cluster lost communication due to multiple network interfaces showing “operationally down” on one node. It was observed immediately after an Azure maintenance event involving a NIC detach operation.

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