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NetApp Stage KB

Ports show suspended(no LACP PDUs) after switch upgrade

Applies to

  • MetroCluster IP
  • ONTAP 9
  • N3K-C3232C MetroCluster switches


  • After rebooting one or more MetroCluster switches during a firmware upgrade, some of the interfaces in port-channels are in a suspended state


`show interface brief`
Ethernet        VLAN    Type Mode   Status  Reason                 Speed     Port
Interface                                                                    Ch #
Eth1/15         1       eth  trunk  down    suspended(no LACP PDUs)  100G(D) 10
Eth1/16         1       eth  trunk  down    suspended(no LACP PDUs)  100G(D) 10

  • If you reboot multiple switches and encounter this error, you may encounter experience cluster network degredation


Thu Dec 02 12:12:29 +0100 [NodeA-01: vifmgr:]: Call home for CLUSTER NETWORK DEGRADED: Large MTU Packet Loss - Ping failures detected between NodeA-01_cluster2 ( ) on PCMSTG201 and NodeA-02_cluster1 ( ) on NodeA-02

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