AIX host not able to mount NFSv3 exports when largesend/bypass_mtu is enabled on client
Applies to
- ONTAP 9 and later
- AIX
- NFSv3
Issue
- AIX host trying to mount NFSv3 export and gets error "
nfs server <server> not responding, still trying……
". - Client is sending bigger packets than negotiated MSS (maximum segment size), which gets dropped in the network
- largesend and bypass_mtu feature is enabled on client end.