>What OS? LINUX >What version of squid? 3.3.11 >What is the level which the squid-B is not reachable? PING level? route level? TCP level? < TCP level. This should cover all reasons, like - server running squid-B is OFF - squid-B is "down", but server running, network connection UP - comms/routing problem between squid-A and squid-B. etc. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/HOWTO-backup-for-parent-proxy-tp4663738p4663740.html Sent from the Squid - Users mailing list archive at Nabble.com.
