hi nichole , thanks alot for interest , i think that my problem is complex . it is a mix of cisco config and squid config . ============================ about my issue , i think that my topology describe the isseu clearly . i tried each squid to has its uniqe serve number difffer than others . but my router cpu got high !!! regrads -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/what-is-best-method-to-connect-two-squid-servers-on-the-same-router-tp4659922p4659940.html Sent from the Squid - Users mailing list archive at Nabble.com.