showmount -e 192.168.73.2
Export list for 192.168.73.2:
/media/share/kdab     192.168.73.0/24
/media/share/jjcasmar 192.168.73.0/24

sudo mount -t nfs4 192.168.73.2:/media/share/jjcasmar /home/jjcasmar/mnt
mount.nfs4: access denied by server while mounting 192.168.73.2:/media/share/jjcasmar