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SwitchIfDead_Alert on initial MetroCluster IP install

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Applies to

  • ONTAP 9.16.1P9 (and other 9.16.1Px/9.15.1Px affected releases)
  • MetroCluster IP configurations
  • Cisco N9K-C9336C-FX2 cluster switches
  • AFF-A70 (and other FAS/AFF/ASA systems)
  • Broadcom and Cisco cluster switches

Issue

When installing a MetroCluster IP setup, you see a "SwitchIfDead_Alert" on most and/or all switchports.

The following health alert is reported on the cluster:

Node: Node_Name
AlertID: SwitchIfDead_Alert
Resource: Ethernet1/3, Ethernet1/4 (and/or other unused ports)
Severity: Major
IndicationTime: <timestamp>
Suppress: false
Acknowledge: false
ProbableCause: The interface Ethernet1/3 is up, but has not passed unicast traffic for twelve consecutive polling intervals.
PossibleEffect: The lack of transmit or receive traffic reported by the switch can indicate issues with port-level or switch-level data packet forwarding.

The cluster is shown as degraded in system health alert show and system health subsystem show.

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