As I have a similar problem, just using this thread: How to use tcp_outgoing_address for load balancing (round robin) ? My idea was to write an ACL-helper doing the round-robin, which would be very easy; but how to detect a failed WAN-connection within ACL-helper ?) (One local interface, 3 WAN-interfaces to different ISPs, for redundancy and balanced load sharing) -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Problem-with-squid-tcp-outgoing-address-tp4657445p4665113.html Sent from the Squid - Users mailing list archive at Nabble.com.