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NFS export policy evaluation denies access due to issue with reverse DNS lookup for client IP

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Category:
ontap-9
Specialty:
NAS
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Applies to

  • ONTAP 9
  • NFS
  • DNS
  • Netgroups
  • Export-policy

Issue

  • Intermittent NFS authentication failure.
  • Export policy rule contains a netgroup
  • ONTAP will perform a PTR (reverse DNS lookup) of the ip of client to obtain hostname to check in netgroups

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