Besides SMP, there is still the "old fashioned" option of multiple instances of squid, in a sandwich config. http://wiki.squid-cache.org/MultipleInstances Besides described port rotation, you can set up 3 squids, for example: one frontend, just doing ACLs and request dispatching (carp), and 2 backends, with real caching. This variant has the advantage avoiding double caching, which might happen in the port rotation alternative. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Problem-to-set-up-multi-cpu-multi-ports-squid-3-3-12-tp4666906p4666915.html Sent from the Squid - Users mailing list archive at Nabble.com.