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NFS mount fails due to firewall maintenance

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Category:
ontap-9
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nas
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Applies to

  • NFS
  • ONTAP
  • Firewall between NetApp and clients

Issue

  • After a firewall maintenance, between NetApp and client, NFS mount suddenly fails.
  • ONTAP reports:
    • "kernel: nfs: server <IP> not responding, still trying"
  • In a packet trace, ONTAP gets a TCP SYN packet from the client on an already established session.

 

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