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    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Navigating_Network_Address_Translation_with_NFS_-_Resolution_Guide
      Applies to ONTAP 9 Network Address Translation (NAT) Port Address Translation (PAT) Description NAT describes a situation in which to map multiple private addresses inside a local network to a IP addr...Applies to ONTAP 9 Network Address Translation (NAT) Port Address Translation (PAT) Description NAT describes a situation in which to map multiple private addresses inside a local network to a IP address before transferring the information onto another network (internet).
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Mount_operation_fails_with_permission_denied_due_to_IP_address_translation_by_the_NAT_service
      Network Address Translation (NAT) service. Mount operation fails with "Permission denied" despite correct permission settings on storage and client end. mount.nfs: prog 100003, trying vers=3, prot=6 m...Network Address Translation (NAT) service. Mount operation fails with "Permission denied" despite correct permission settings on storage and client end. mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: trying 10.20.30.40 prog 100003 vers 3 prot TCP port 2049 mount.nfs: trying 10.20.30.40 prog 100005 vers 3 prot TCP port 635 mount.nfs: access denied by server while mounting 10.20.30.40:/vol NAT service is used in the environment to mask the client IP addresses.
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Is_SMB_Multichannel_supported_when_the_storage_is_behind_a_NAT
      Applies to SMB Multichannel No, multichannel is not supported if the storage IPs are obscured behind NATTed IP address/es. This is because the storage is unaware of the NATTing and cannot respond with...Applies to SMB Multichannel No, multichannel is not supported if the storage IPs are obscured behind NATTed IP address/es. This is because the storage is unaware of the NATTing and cannot respond with the NATTed IP address/es. Multichannel uses the IOCTL command "FSCTL_Query_Network_Interface_Info" which responds with the storage IP address for the purposes of Multichannel. The IP in question is behind a NATTed address and it is unreachable, so Multichannel will fail if it is attempted.
    • https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/Is_NAT_supported_with_cluster_peering_or_SnapMirror_in_ONTAP
      Cluster peer address discovery is a process where clusters share their local / private InterCluster LIF IP addresses to determine the necessary connections to be made, as well as to verify cluster pee...Cluster peer address discovery is a process where clusters share their local / private InterCluster LIF IP addresses to determine the necessary connections to be made, as well as to verify cluster peer health. If there is a mismatch between the discovered IP addresses and the addresses that are reachable, or that are configured by running the cluster peer create command, peering fails and SnapMirror relationships will not work properly.