What packages are used for NFS (freeBSD7.2)

[Detective]

NFS server: IP 172.16.36.9,
in file /etc/exports:

/usr/ports/distfiles -maproot=0 172.16.36.1

in file /etc/rc.conf:

rpcbind_enable="YES"
nfs_server_enable="YES"
mountd_flags="-r"

NFS client: IP 172.16.36.1
in file /etc/rc.conf:

nfs_client_enable="YES"

#ping 172.16.36.9 is OK
#mount 172.16.36.9:/usr/ports/distfiles /usr/ports/distfiles

[udp] 172.16.36.9:/usr/ports/distfiles: RPCPROG_MNT: RPC: Time out

Other computer with full installation freeBSD from DVD (all pre-packages) connects successfully to NFS server