RE: [squid-users] FW: WCCP and Fedora 3 not working

From: Damian-Grint Philip <pdamian-grint@dont-contact.us>
Date: Mon, 23 May 2005 18:10:07 +0100

Hi Omnia,

I backed down to 2.6.8 only because the ip_wccp.c module in the squid
faq was last modified to work with 2.6.8 and I was just being cautious -
it may well work with later versions but I didn't have time to build,
find problems and rebuild.

Regards

Philip DG

> -----Original Message-----
> From: Omnia Ibrahem [mailto:omnia@egyptnetwork.com]
> Sent: 22 May 2005 10:40
> To: Damian-Grint Philip; Nigel Oakley; squid-users@squid-cache.org
> Subject: Re: [squid-users] FW: WCCP and Fedora 3 not working
>
>
> Hii there,
> u mean that i cant make wccp work with kernel
> 2.6.9 , as u
> backed down to 2.6.8 to make it work.
>
>
>
>
> ----- Original Message -----
> From: "Damian-Grint Philip" <pdamian-grint@collierscre.co.uk>
> To: "Nigel Oakley" <nigel@oakley.vnworks.net>;
> <squid-users@squid-cache.org>
> Sent: Friday, May 20, 2005 7:15 PM
> Subject: RE: [squid-users] FW: WCCP and Fedora 3 not working
>
>
> Hi Nigel,
>
> I have just upgraded all my Redhat 7.2 Squid servers to
> Fedora FC3, and
> I have WCCP working fine.
>
> It sounds like you have the squid wccp bit done ok - that's what does
> the hello stuff. - check your output from debug ip icmp on
> your router -
> if you're getting protocol unreachable, the problem is your wccp
> interception at the kernel on your squid box.
>
> I backed the kernel down to 2.6.8, only because that is what the wccp
> module had been supposedly written for. You shouldn't need to play
> around with sysctl settings, although you might need to switch off ECN
> if on and your testing indicates a need.
>
> I've never used ip_gre, only the ip_wccp module:
>
> Download the ip_wccp.c module from the Squid FAQ into /var/tmp
>
> echo 'obj-m := ip_wccp.o' > Makefile
> make -C /usr/src/linux M=$PWD V=1 modules
> cp ip_wccp.ko /lib/modules/2.6.8/kernel/net/ipv4
> edit modules dep file (vi /lib/modules/2.6.8/modules.dep) and add the
> following line:
> /lib/modules/2.6.8/kernel/net/ipv4/ip_wccp.ko:
>
> modprobe ip_wccp
>
> Squid config fragment:
>
> wccp_version 4
> wccp_router 10.129.110.251
> snmp_port 3401
> httpd_accel_host virtual
> httpd_accel_with_proxy on
> httpd_accel_uses_host_header on
>
> Cisco config:
>
> ip wccp web-cache redirect-list 100
> ip wccp version 1
> ip cef
>
> interface fa0/0
> ! facing the firewall
> ip wccp web-cache redirect out
> no ip redirects
> ip route-cache same-interface
>
> interface fa0/1
> ! facing the internal network
>
> ! don't classify internal traffic
> access-list 100 deny ip 10.0.0.0 0.255.255.255 10.0.0.0 0.255.255.255
> ! classify internet bound traffic
> access-list 100 permit 10.0.0.0 0.255.255.255 any
> access-list 100 deny ip any
>
> IPtables config:
>
> iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT \
> --to-port 3128
> iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j DNAT \
> --to 127.0.0.1:3128
>
> Hope that something in the above sorts your problem, otherwise let me
> know and I will send you my (tediously long) build log which
> I wrote for
> the non-linux guys here.
>
> Regards
>
> Philip Damian-Grint
> CCNP
> Infrastructure Team
> Business Systems & IT
> Colliers CRE
> Tel. +44(0)20 7487 1928
> Fax. +44(0)20 7487 1671
>
>
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Received on Mon May 23 2005 - 11:10:14 MDT

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