Hi. I have the same problem. SeLinux is off, firewall on client is off. # mount -vvv -t nfs4 192.168.200.1:/ /media/160gb/ -o async,auto,exec,_netdev,nodev,rw,retry=5,rsize=32768,wsize=32768,proto=tcp,hard,intr mount: pinging: prog 100003 vers 4 prot tcp port 2049 mount.nfs4: Operation not permitted With -t nfs everything is ok.
