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NFS sessions undecided after fail-over

L4 Transporter

Situation:

NFS Client src:828 dst: 2049 --> PAN 7050 HA Cluster --> NFS Server (NFS Session is up and connected without issue)

 

Palo alto cluster fail-over occurs (upgrade/issue - doesn't matter)

 

NFS Client src:828 dst:2049 -->PAN (Session is marked as "undecided" and dropping the syn packets)

The timer continues to reset on the session on PAN since the client continues to send syn packets which are dropped. This keeps the session opened until the session is manually cleared by engineers on the PAN cluster.

 

Is anyone else experiencing this? We haven't seen this occur on any other apps except NFS and seemed to start around 8.1.7.

 

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