Hi, I just install squid.2.6.stable1, kernel 2.6.15.7 with cttproxy It work good when running transparent & wccpv2 web-cache mode But when I addding wccp dynamic service for IP-Spoof, I get an error : 2006/07/11 08:00:37| tproxy ip=x.x.x.x,0x7a0989ca,port=0 ERROR ASSIGN #part of my squid.conf : http_port 3128 transparent tproxy vhost vport=80 always_direct allow all wccp2_router x.x.x.x wccp_version 4 wccp2_forwarding_method 1 wccp2_return_method 1 wccp2_service standard 0 wccp2_service dynamic 90 wccp2_service_info 90 protocol=tcp flags=src_ip_hash priority=1 ports=80 #part of my cisco run: ip wccp web-cache redirect-list 155 ip wccp 90 redirect-list 156 int fasteth0 >ip wccp web-cache redirect out int fasteth1 >ip wccp 90 redirect out #my iptables at linux: Chain PREROUTING (policy ACCEPT 262 packets, 18290 bytes) pkts bytes target prot opt in out source destination 112 6710 REDIRECT tcp -- gre0 any anywhere anywhere tcp dpt:http redir ports 3128 #my sysctl: [root@tproxy sbin]# sysctl -a | grep rp.filter net.ipv4.conf.gre0.arp_filter = 0 net.ipv4.conf.gre0.rp_filter = 0 net.ipv4.conf.eth0.arp_filter = 0 net.ipv4.conf.eth0.rp_filter = 0 net.ipv4.conf.default.arp_filter = 0 net.ipv4.conf.default.rp_filter = 0 net.ipv4.conf.all.arp_filter = 0 net.ipv4.conf.all.rp_filter = 0 net.ipv4.conf.lo.arp_filter = 0 net.ipv4.conf.lo.rp_filter = 0 regards, Tino