A client should show:
program vers proto   port
    100000    2   tcp    111  portmapper
    100000    2   udp    111  portmapper
    100024    1   udp  32768  status
    100024    1   tcp  57222  status


A nfsserver should show:
   program vers proto   port
    100000    2   tcp    111  portmapper
    100000    2   udp    111  portmapper
    100024    1   udp  34783  status
    100024    1   tcp  59379  status
    100003    2   udp   2049  nfs
    100003    3   udp   2049  nfs
    100003    4   udp   2049  nfs
    100003    2   tcp   2049  nfs
    100003    3   tcp   2049  nfs
    100003    4   tcp   2049  nfs
    100021    1   udp  34789  nlockmgr
    100021    3   udp  34789  nlockmgr
    100021    4   udp  34789  nlockmgr
    100021    1   tcp  47834  nlockmgr
    100021    3   tcp  47834  nlockmgr
    100021    4   tcp  47834  nlockmgr
    100005    1   udp   2050  mountd
    100005    1   tcp   2050  mountd
    100005    2   udp   2050  mountd
    100005    2   tcp   2050  mountd
    100005    3   udp   2050  mountd
    100005    3   tcp   2050  mountd