Hello Dear Eliezer: Thanks , i build squid2.7stable9 at ubuntu and i prepare to realize wccp at "http_port 3128 transparent"( but this is interception mode only ) at firep step. second step is wccp at " http_port 3128 transparent tproxy " ( it will is transparent mode ) . although i search more info for realizing wccp interception mode , but i don't find good way until now . But thanks for your advisement again. John 于 2014年07月11日 15:08, Eliezer Croitoru 写道: > What OS are you using? > Did you had the chance of looking at: > http://wiki.squid-cache.org/ConfigExamples/UbuntuTproxy4Wccp2 > > Eliezer > > On 07/11/2014 07:09 AM, johnzeng wrote:> Hello Dear Everyone: >>>> i config wccp mode recently , but i found http request don't succeed >>>> to be sent via gre tunnel at wccp mode . >>>> >>>> This is my config , if possible , give me some advisement , Thanks > again. >>>> >>>> >>>> 19:36:58.728514 IP 192.168.5.66.37225 > 180.149.132.165.http: Flags >>>> [F.], seq 0, ack 1, win 108, length 0 >>>> 19:37:00.304327 IP 192.168.5.66.41485 > >>>> rev.opentransfer.com.28.147.130.98.in-addr.arpa.http: Flags [S], seq >>>> 2204475760, win 5840, options [mss 1460,sackOK,TS val 3757970 ecr >>>> 0,nop,wscale 6], length 0 >>>> 19:37:00.976403 IP 192.168.5.66.40789 > 202.104.237.103.http: Flags >>>> [S], seq 2214840108, win 5840, options [mss 1460,sackOK,TS val 3758139 >>>> ecr 0,nop,wscale 6], length 0 >>>> 19:37:03.597139 IP 192.168.5.66.58461 > 101.226.142.33.http: Flags >>>> [.], ack 2180972149, win 227, options [nop,nop,TS val 3758794 ecr >>>> 2556809136], length 0 >>>> 19:37:03.806973 IP 192.168.5.66.58461 > 101.226.142.33.http: Flags >>>> [.], ack 1, win 227, options [nop,nop,TS val 3758846 ecr >>>> 2556809198,nop,nop,sack 1 {0:1}], length 0 >>>> 19:37:03.976184 IP 192.168.5.66.40789 > 202.104.237.103.http: Flags >>>> [S], seq 2214840108, win 5840, options [mss 1460,sackOK,TS val 3758889 >>>> ecr 0,nop,wscale 6], >>>> >>>> >>>> 19:06:33.356333 IP 192.168.5.1 > 192.168.2.2: GREv0, length 48: >>>> gre-proto-0x883e >>>> 19:06:33.388306 IP 192.168.5.1 > 192.168.2.2: GREv0, length 48: >>>> gre-proto-0x883e >>>> 19:06:33.388565 IP 192.168.5.1 > 192.168.2.2: GREv0, length 48: >>>> gre-proto-0x883e >>>> 19:06:33.604188 IP 192.168.5.1 > 192.168.2.2: GREv0, length 48: >>>> gre-proto-0x883e >>>> 19:06:38.187049 IP 192.168.5.1 > 192.168.2.2: GREv0, length 60: >>>> gre-proto-0x883e >>>> 19:06:41.931862 IP 192.168.5.1 > 192.168.2.2: GREv0, length 48: >>>> gre-proto-0x883e >>>> 19:06:42.434829 IP 192.168.5.1 > 192.168.2.2: GREv0, length 48: >>>> gre-proto-0x883e >>>> 19:06:55.047736 IP 192.168.5.1 > 192.168.2.2: GREv0, length 48: >>>> gre-proto-0x883e >>>> >>>> >>>> >>>> *Mar 8 12:48:05.300: WCCP-EVNT:S00: Here_I_Am packet from 192.168.2.2 >>>> w/bad rcv_id 00000000 >>>> *Mar 8 12:48:05.300: WCCP-PKT:S00: Sending I_See_You packet to >>>> 192.168.2.2 w/ rcv_id 00002378 >>>> *Mar 8 12:48:05.300: IP: tableid=0, s=192.168.2.1 (local), >>>> d=192.168.2.2 (Ethernet1/0), routed via FIB >>>> *Mar 8 12:48:05.304: IP: s=192.168.2.1 (local), d=192.168.2.2 >>>> (Ethernet1/0), len 168, sending >>>> *Mar 8 12:48:05.580: IP: tableid=0, s=192.168.5.1 (local), >>>> d=192.168.5.66 (FastEthernet0/1), routed via FIB >>>> *Mar 8 12:48:05.584: IP: tableid=0, s=192.168.5.1 (local), >>>> d=192.168.5.66 (FastEthernet0/1), routed via FIB >>>> >>>> *Mar 8 12:48:15.119: IP: tableid=0, s=192.168.2.2 (Ethernet1/0), >>>> d=192.168.2.1 (Ethernet1/0), routed via RIB >>>> *Mar 8 12:48:15.119: IP: s=192.168.2.2 (Ethernet1/0), d=192.168.2.1 >>>> (Ethernet1/0), len 172, rcvd 3 >>>> *Mar 8 12:48:15.123: WCCP-PKT:S00: Received valid Here_I_Am packet >>> >from 192.168.2.2 w/rcv_id 00002378 >>>> *Mar 8 12:48:15.123: WCCP-PKT:S00: Sending I_See_You packet to >>>> 192.168.2.2 w/ rcv_id 00002379 >>>> *Mar 8 12:48:15.123: IP: tableid=0, s=192.168.2.1 (local), >>>> d=192.168.2.2 (Ethernet1/0), routed via FIB >>>> *Mar 8 12:48:15.123: IP: s=192.168.2.1 (local), d=192.168.2.2 >>>> (Ethernet1/0), len 168, sending >>>> *Mar 8 12:48:15.299: IP: tableid=0, s=192.168.2.2 (Ethernet1/0), >>>> d=192.168.5.1 (FastEthernet0/1), routed via RIB >>>> *Mar 8 12:48:15.299: IP: s=192.168.2.2 (Ethernet1/0), d=192.168.5.1, >>>> len 172, rcvd 4 >>>> *Mar 8 12:48:15.299: WCCP-EVNT:S00: Here_I_Am packet from 192.168.2.2 >>>> w/bad rcv_id 00000000 >>>> *Mar 8 12:48:15.299: WCCP-PKT:S00: Sending I_See_You packet to >>>> 192.168.2.2 w/ rcv_id 0000237A >>>> >>>> >>>> >>>> >>>> >>>> >>>> ******************************************************************** >>>> squid config >>>> ******************************************************************** >>>> >>>> wccp2_router 192.168.2.2 >>>> >>>> wccp2_address 192.168.0.1 #interface ip address >>>> >>>> wccp_version 4 >>>> >>>> wccp2_forwarding_method 1 # Gre for 1 L2rewriting for 2 >>>> >>>> wccp2_return_method 1 # Gre for 1 L2rewriting for 2 >>>> >>>> wccp2_assignment_method 1 Gre for 1 L2rewriting for 2 >>>> >>>> wccp2_weight 5 >>>> >>>> ********************************************************************* >>>> other environment ( ip tunnel & iptables ....) >>>> ********************************************************************* >>>> >>>> first step >>>> >>>> modprobe ip_gre >>>> >>>> ip tunnel add wccp0 mode gre remote 192.168.5.1 local 192.168.2.2 > dev eth1 >>>> >>>> second step >>>> >>>> ip addr add 10.1.1.2/24 dev wccp0 >>>> ip route add 10.1.1.0/24 dev wccp0 >>>> ip link set wccp0 up >>>> >>>> Or >>>> >>>> ifconfig wccp0 10.1.1.2 netmask 255.255.255.0 up >>>> route add -net 10.1.1.0 netmask 255.255.255.0 dev wccp0 >>>> >>>> >>>> third step >>>> >>>> echo 0 >/proc/sys/net/ipv4/conf/wccp0/rp_filter >>>> echo 0 >/proc/sys/net/ipv4/conf/eth1/rp_filter >>>> echo 1 > /proc/sys/net/ipv4/ip_forward >>>> >>>> fouth step >>>> >>>> iptables -P INPUT ACCEPT >>>> iptables -P OUTPUT ACCEPT >>>> iptables -P FORWARD ACCEPT >>>> iptables -A INPUT -i lo -j ACCEPT >>>> iptables -A OUTPUT -o lo -j ACCEPT >>>> iptables -A INPUT -i wccp0 -m state --state ESTABLISHED,RELATED -j > ACCEPT >>>> iptables -A FORWARD -i wccp0 -j ACCEPT >>>> iptables -t nat -A PREROUTING -i wccp0 -p tcp -m tcp --dport 80 -j >>>> REDIRECT --to-ports 3128 >>>> iptables -t nat -A POSTROUTING -o eth1 -j SNAT --to-source 192.168.2.2 >>>> >
