Node unable to monitor cluster switches due to incorrect network configuration on switch
Applies to
- ONTAP 9
- Cluster Switch Health Monitor (CSHM)
- Cisco cluster switches
- Broadcom cluster switches
Issue
- Node reports a health alert stating that the cluster switch IP address is not reachable:
cluster::> system health alert show
Node: NodeA
Resource: cluster-sw1
Severity: Major
Indication Time: Thu Aug 18 22:42:33 2022
Suppress: false
Acknowledge: false
Probable Cause: Ethernet switch "cluster-sw1" with IP address
"10.X.X.1" is not reachable via SNMP. Incorrect
SNMP community string might be configured on the
Ethernet switch.
- Cluster switch is not monitored by the CSHM:
cluster::> system switch ethernet show
Switch Type Address Model
--------------------------- ------------------ ---------------- ---------------
cluster-sw1(xxxxxxxxxxx) cluster-network 10.X.X.1 NX3132V
Serial Number: xxxxxxxxxxx
Is Monitored: false
Reason: IP address not reachable
Software Version: Cisco Nexus Operating System (NX-OS) Software, Version 7.0(3)I4(1)
Version Source: CDP
- Cluster switch management IP address is not pingable.
cluster::> ping -node NodeA -destination 10.X.X.1
no answer from 10.X.X.1
- Switch MAC address is not found in the ARP table.
cluster::> set -privilege advanced
cluster::*> network arp active-entry show -node NodeA -remotehost 10.X.X.1
There are no entries matching your query.