ClusterSwitchConnectionDegraded_Alert from non-redundant cluster cabling

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Last Updated:

Applies to

ONTAP 9
Cluster Switches

Issue

Alert in system health alert show states that each node can only see one cluster switch via discovery information (CDP / LLDP).

Only one cluster switch, "ClusterSW1(XXXXXXX)", has been discovered to be connected to the cluster ports of node "Cluster-N1". If a cluster connection was not discovered, but the expected cluster switch is listed in the output of "system switch ethernet show", it indicates that the node is not currently receiving discovery information about the missing switches.

Only one cluster switch, "ClusterSW2(YYYYYYY)", has been discovered to be connected to the cluster ports of node "Cluster-N2". If a cluster connection was not discovered, but the expected cluster switch is listed in the output of "system switch ethernet show", it indicates that the node is not currently receiving discovery information about the missing switches.

Cluster::> network device-discovery show

Node/       Local  Discovered
Protocol    Port   Device                    Interface         Platform
----------- ------ ------------------------- ----------------  ----------------
Cluster-N1/cdp
            e0a    ClusterSW1(XXXXXXX)
                                             Ethernet1/10  N9K-C9336C-FX2
            e0b    ClusterSW1(XXXXXXX)
                                             Ethernet1/11  N9K-C9336C-FX2
Cluster-N1/cdp
            e0a    ClusterSW2(YYYYYYY)
                                             Ethernet1/10  N9K-C9336C-FX2
            e0b    ClusterSW2(YYYYYYY)
                                             Ethernet1/11  N9K-C9336C-FX2