I'm trying several things to diagnose this problem, but i can't find a solution. :(
I tested multicast, with omping for 10 minutes:
nodea : unicast, xmt/rcv/%loss = 600/600/0%, min/avg/max/std-dev = 0.076/0.188/0.346/0.044
nodea : multicast, xmt/rcv/%loss = 600/600/0%, min/avg/max/std-dev =...