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Cluster port degraded due to packet loss after ONTAP upgrade

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HW
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Applies to

  • AFF-A700
  • ONTAP 9.5P19
  • Cisco 3132 Cluster Switch

Issue

After an ONTAP upgrade, a cluster port on a single node shows degraded status:

Node: node-1
Speed(Mbps) Health
Port      IPspace      Broadcast Domain Link MTU  Admin/Oper  Status
--------- ------------ ---------------- ---- ---- ----------- --------
e4a       Cluster      Cluster          up   9000  auto/40000 degraded
 
Also seeing messages similar to the following in EMS logs:
 
[node-1: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif node-1_clus1 (node node-1) to cluster lif node-2_clus1 (node node-2)

 

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