Unable to mount a NFS share from Red Hat Enterprise Linux

Issue

• While mounting a NFS share from RHEL client getting below error:

 # mount -v -t nfs servername:/<NFS_Share-name> /mountpoint
 mount.nfs: mount(2): Permission denied     
 mount.nfs: access denied by server while servername:/<NFS_Share-name>

• The /etc/exports entry looks like this:

/<NFS_Share-name>    <NFS Server-IP>(rw,all_squash,link_relative)