hi , not all the Multi layer switches has full wccp capability tproxy is needed above , so we need to define services , but 3550 MLS dont support it regards ----- Dr.x -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid-3-1-with-Tproxy-and-WCCP-on-Cisco-3550-tp4662987p4662995.html Sent from the Squid - Users mailing list archive at Nabble.com.