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NetApp Knowledge Base

NFSv3 mount from clients hang and timeout due to portmapper blocked on firewall

Last Updated:

Applies to

  • ONTAP 9
  • NFS v3


  • Fresh attempts to mount NFS export hang and throw below (or similar) error

[root@RHEL7 ~] mount.nfs: Connection timed out 

  • Existing mounts continue to work until or unless they are unmounted


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