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
>
