mount of nfs4 export fails shows "reason given by server: No such file or directory" error.

Issue

• NFSv4 share details are as follows:

[root@NFS_Server ~ ]# cat /etc/exports  
/exports        *(rw,fsid=0,no_root_squash,sync)

• While trying to mount it on client system with "-t nfs4" getting following error:

[root@NFS_Client ~ ] # mount -v -t nfs4 <NFS_Server>:/exports /mnt  
mount: pinging: prog 100003 vers 4 prot tcp port 2049  
mount.nfs4: <NFS_Server>:/exports failed, reason given by server: No such file or directory

• Mounting with "-t nfs" instead of "-t nfs4" just works fine, but as per business requirements needs to make sure that only port 2049/tcp get's used which is possible with NFSv4. Hence, trying to mount it with NFSv4.