"bela(a)jboss.com" wrote : An alternative is to set ip_ttl="0" Thx, your solution works fine, the ttl is the number of switches or routers the udp message can pass. actually After a try with other developper, my previous solution doesn't sound to work, I see ips of other guys in logs (for exemple : "Received new cluster view: [10.1.8.86:7800|1] [10.1.8.86:7800, 10.1.8.86:7801,10.1.8.76:7800, 10.1.8.76:7801]"). View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4165068#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...