thanks for the response but i dont really get it. in a multi-ethernet scenario where all clustering traffic is supossed to go through second/internal interface, why do i need to open also communication between first/external interface? is this by desing or is configurable anywhere? my goal is to separate all cluster related traffic from external traffic. maybe im not heading correctly the problem so i'll be glad to hear your comments. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3966896#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...