One other thing : > id 00:17:d6:a9:31:e7 priority 16384 hellotime 2 fwddelay 15 And : > root id 00:12:cf:69:e9:ea priority 16384 ifcost 0 port 0 I was under the impression the priority for the root bridge should be a lower number ? Would you be able to post your rc.conf bridge entries for each bridge, perhaps? Thanks!