Are you getting errors when trying to connect? Are you just getting a 1-line output from rpcinfo?
I have just checked a media server that's working 100%: (30031 only port open in both directions between media server and acsls)
# cat vm.conf (media server has one NIC only, therefore no ACS_SSI_HOSTNAME)
MM_SERVER_NAME = media01
ACS_TCP_RPCSERVICE
ACS_CSI_HOSTPORT = acsls 30031
ACS_SSI_INET_PORT = acsls 30031
bpps -x output:
MM Processes
------------
root 18440 18012 0 Jul 29 ? 6:56 avrd
root 18478 18219 0 Jul 29 ? 0:04 acssel -s 13740
root 18316 18012 0 Jul 29 ? 0:35 tldd
root 18020 1 0 Jul 29 ? 2:15 vmd
root 18012 1 0 Jul 29 ? 2:47 /usr/openv/volmgr/bin/ltid
root 18518 1 0 Jul 29 ? 1:41 tldcd
root 18219 18012 0 Jul 29 ? 0:02 acsd
root 18810 18219 0 Jul 29 ? 1:26 acsssi 13741
# rpcinfo -p
program vers proto port service
100024 1 udp 32772 status
100024 1 tcp 32771 status
100133 1 udp 32772
100133 1 tcp 32771
1073741824 1 tcp 32772
100021 1 udp 4045 nlockmgr
100021 2 udp 4045 nlockmgr
100021 3 udp 4045 nlockmgr
100021 4 udp 4045 nlockmgr
100021 1 tcp 4045 nlockmgr
100021 2 tcp 4045 nlockmgr
100021 3 tcp 4045 nlockmgr
100021 4 tcp 4045 nlockmgr
100001 2 udp 32773 rstatd
100001 3 udp 32773 rstatd
100001 4 udp 32773 rstatd
100068 2 udp 32774
100068 3 udp 32774
100068 4 udp 32774
100068 5 udp 32774
100083 1 tcp 32775
100002 2 tcp 32776 rusersd
100002 3 tcp 32776 rusersd
100002 2 udp 32775 rusersd
100002 3 udp 32775 rusersd
100011 1 udp 32776 rquotad
300598 1 udp 32779
300598 1 tcp 32777
805306368 1 udp 32779
805306368 1 tcp 32777
100249 1 udp 32780
100249 1 tcp 32778
1073741824 2 tcp 30031