Re: WCCP and SQUID?

mån 2003-03-17 klockan 16.02 skrev atit_ldce:
> when ICP_PKT_DUMP is defined?
>
> in which case squid send ICP_MISS_NOFETCH reply.
> code says in following case..
> if (store_dirs_rebuilding && opt_reload_hit_only) {
> reply = icpCreateMessage(ICP_MISS_NOFETCH, flags, url, header.reqnum, src_rtt);
> icpUdpSend(fd, &from, reply, LOG_UDP_MISS_NOFETCH, 0);
> } else if (hit_only_mode_until > squid_curtime) {
> reply = icpCreateMessage(ICP_MISS_NOFETCH, flags, url, header.reqnum, src_rtt);
> icpUdpSend(fd, &from, reply, LOG_UDP_MISS_NOFETCH, 0);
> } else if (Config.onoff.test_reachability && rtt == 0) {
> reply = icpCreateMessage(ICP_MISS_NOFETCH, flags, url, header.reqnum, src_rtt);
> icpUdpSend(fd, &from, reply, LOG_UDP_MISS_NOFETCH, 0);
> }
> but things are not clear

What in the above is not clear?

> I want to use WCCP protocol for transparent proxy setup of squid.
> i have enabled ip_wccp module on Red hat Linux 7.1 running on Kernel 2.4.18+
> i have made necessary conf in my cisco router.
> i have addred redirect chain using IPtables chain.
>
> my n/w diagram is as follow
> _________
> | |
> | cache |
> clients ------->| Box | WCCP
> | |<-----------------> Cisco router
> clients-------> | | p.q.r.s
> |a.b.c.d|
> |_______|
>
> all clients have cache box as their defualt gateway
>
> first http pkts for 80 dst port are forwarded to Cisco router
> then from cicso router it comes back to squid box
> then redirection
> then post routing to perform SNAT ing
>
>
> my router R sends http packets to my SQuid S which i think is encapsulated in GRE?
>
> but packets are not coming to squid but being routed between squid and router
> does i need to creaete gre interface in my squid kernel?
> or is there any other conf requiered?

I think the error is in your iptables rule.

but why are you at all using WCCP is the clients have the Squid box as
default gateway?

-- 
Henrik Nordstrom <hno@squid-cache.org>
MARA Systems AB, Sweden