-bash-3.2# mount -F nfs -o vers=3 NAS-Server:/path/path/path /tmp123
-bash-3.2# umount /tmp123
-bash-3.2# mount -F nfs -o vers=4 NAS-Server:/path/path/path /tmp123
nfs mount: mount: /tmp123: I/O error
Any insights on why the mount with default option NFSv4 is failing on Solaris 10 (NFS Client) whereas same mount is working with nfsv3
NFS server is enabled with NFSv4 option, NAS-Server is Linux