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Switchport/Mgmt Interface Flapping on Both Controllers (

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HW
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Applies to

 AFF-C800

Issue

Persistent flapping of the management interface (service processor port, e0M) was observed on both controllers in the cluster. The issue was evident on the management network switch, with no recent changes or maintenance performed.
  • Issue persisted after changing cables.
  • No flaps were detected on the storage host side for port e0M.
  • Flapping was consistently reported on the Cisco switch side.

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