ohhhh , seems your MLS dont support wccp services , http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_19_ea1/configuration/guide/swwccp.html 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-tp4662987p4662993.html Sent from the Squid - Users mailing list archive at Nabble.com.