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Cisco cluster switch missing from device-discovery due to CDP issues

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Category:
ontap-9
Specialty:
hw
Last Updated:

Applies to

  • Cisco Cluster Switches
  • ONTAP 9

Issue

  • One cluster switch is missing from the system and the following alert is reported in the event logs:

[Node-1: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process cshm: ClusterSwitchMissing_Alert[clustersw-01].

  • The switch health is degraded:

::> system health subsystem show
Subsystem         Health
----------------- ------------------
SAS-connect       ok
Environment       ok
Memory            ok
Service-Processor ok
Switch-Health     degraded
CIFS-NDO          ok
Motherboard       ok
IO                ok
MetroCluster      ok
MetroCluster_Node ok
FHM-Switch        ok
FHM-Bridge        ok
SAS-connect_Cluster ok

  • All the cluster ports connected to the cluster switch are online, but missing in device-discovery show output.
  • Even after adding the cluster switch to health monitoring, the switch is not reported in the device-discovery show output.
  • From the switch logs, the NetApp nodes connected to the switch are not reported under show cdp neighbors output.
  • CDP is enabled on both the node end and switch end, but the cluster switch is still not discovered.

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