> can xorp be configured to do what Cisco calls > "stub multicast routing" ? In this mode, the > router proxies IGMP messages between hosts and > the uplink multicast router. No, XORP doesn't implement the IGMP proxy mechanism (yet), though it is on our TODO list: http://www.xorp.org/bugzilla/show_bug.cgi?id=700 Regards, Pavlin