Hi all, can anyone please confirm that enabling IGMP querier on a switch (stack) instead of disabling IGMP snooping (thus making switch broadcast all multicast packets) helps to solve node loss issue? I enabled that feature in order to solve packet loss over qemu mcast tunnels, and that helped dramatically. That tunnels operate very similar to corosync, where all relevant nodes first join IGMP group, and then all of them send multicast packets to that group. So in both cases there is no designated 'sender' or designated 'router port' where all multicast traffic in a layer-2 broadcast segment originate from. So I think it may help to stabilize corosync multicast mode as well. May be somebody have hardware-based testing setup with IGMP-snooping enabled switch(es) and IGMP querier (in cisco terms, different vendors may call it differently) feature available and can test if this actually helps? Vladislav _______________________________________________ discuss mailing list discuss@xxxxxxxxxxxx http://lists.corosync.org/mailman/listinfo/discuss
