See http://wiki.jboss.org/wiki/Wiki.jsp?page=JGroupsUDP, discussion of "receive_on_all_interfaces". View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4078951#4078951 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4078951