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Invalid SNMP Settings reported after cluster switch upgrade

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Applies to

  • Cluster network switch
  • Cluster switch firmware upgrade

OR

  • Cluster switch upgrade

Issue

  • ::> system cluster-switch show reports switch as not being monitored due to Invalid SNMP Settings

::> system cluster-switch show
Switch                      Type               Address          Model
--------------------------- ------------------ ---------------- -------------
Cluster-SW1                 cluster-network    10.XX.XX.XX     N9K-C9336C-FX2
     Serial Number: XXXXXXXXXXXX
      Is Monitored: false
            Reason: Invalid SNMP Settings
  Software Version: Cisco Nexus Operating System (NX-OS) Software, Version
                    9.3(5)
    Version Source: CDP/ISDP

Cluster-SW2                 cluster-network    10.XX.XX.XX     N9K-C9336C-FX2
     Serial Number: XXXXXXXXXXXX
      Is Monitored: false
            Reason: Invalid SNMP Settings
  Software Version: Cisco Nexus Operating System (NX-OS) Software, Version
                    9.3(5)
    Version Source: CDP/ISDP

  • This can happen after switch firmware upgrade or upgrading the switch model
  • Receive following health monitor alert

hm.alert.raised: Alert Id = UnsupportedSwitch

  • The switch management port is reachable from the cluster via ping

::> ping -node <nodename> -destination 10.XX.XX.XX

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