Am 10.09.2017 um 17:33 schrieb J Martin Rushton <martinrushton56 at btinternet.com>: > > When I start corosync each node starts up but does not see the others. for multicast mode; did you tried to set [1] on the main host (not VMs)? [1] echo 1 > /sys/class/net/${yourbridgeinterface}/bridge/multicast_querier -- LF