Not able to cd or ls to NFS mountpoint. When run cd /mnt/vol1 it get hung and never respond. [root@linux ]# mount -t nfs -o nfsvers=3,sec=sys 10.1.1.1:/vol/vol1/qtree1 /mnt/vol1 -vvv mount.nfs: trying...Not able to cd or ls to NFS mountpoint. When run cd /mnt/vol1 it get hung and never respond. [root@linux ]# mount -t nfs -o nfsvers=3,sec=sys 10.1.1.1:/vol/vol1/qtree1 /mnt/vol1 -vvv mount.nfs: trying text-based options 'nfsvers=3,sec=sys,addr=10.1.1.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: trying 10.1.1.1 prog 100003 vers 3 prot TCP port 2049 mount.nfs: prog 100005, trying vers=3, prot=17 mount.nfs: trying 10.1.1.1 prog 100005 vers 3 prot UDP port 635