hi all i got a problem about multi tcp_outgoing_address acl groupa src 192.168.1.0/24 tcp_outgoing_address ISP1'IP (pppoe) actually traffic through ISP1 --------------------------------------------------- balance_on_multiple_ip on tcp_outgoing_address ISP1'IP (pppoe) tcp_outgoing_address ISP2'IP (pppoe) tcp_outgoing_address ISP3'IP (pppoe) but the traffic is always through ISP1 type "netstat -an" Local Address Foreign Address ISP1'IP:xxxxx destination:80 squid proxy always bind ISP'1 IP i use 3.0.STABLE24 http://www.squid-cache.org/Versions/v3/3.0/cfgman/balance_on_multiple_ip.html squid support this !!! maybe i miss something thanks for any advice!!!