Multicast on 12.1.0.2 GI

Hi all , I try to install a 12.1.0.2.4 Grdi infra on AIX 7.1, the problem is about multicast

[ediprdscapldb01:+ASM1:/home/ocrs2121/mcasttest:] perl mcasttest.pl -n ediprdscapldb01,ediprdscapldb02 -i en32

###########  Setup for node ediprdscapldb01  ##########

Checking node access 'ediprdscapldb01'

Checking node login 'ediprdscapldb01'

Checking/Creating Directory /tmp/mcasttest for binary on node 'ediprdscapldb01'

Distributing mcast2 binary to node 'ediprdscapldb01'

###########  Setup for node ediprdscapldb02  ##########

Checking node access 'ediprdscapldb02'

Checking node login 'ediprdscapldb02'

Checking/Creating Directory /tmp/mcasttest for binary on node 'ediprdscapldb02'

Distributing mcast2 binary to node 'ediprdscapldb02'

###########  testing Multicast on all nodes  ##########

Test for Multicast address 230.0.1.0