Re: [squid-users] Protocol Unreachables????

If you've got ip_wccp you don't need ip_gre to be patched.

The "Here I Am"/"I See You" exchange is not proof that ip_wccp is
working, as the exchange is sideband communication happening on port
2048, and has no GRE encapsulation.

I'm not sure what else could be wrong. Is there a firewall running on
the Squid box, or in between?

Mark Eanes wrote:
> Wccp module is installed (no errors on modprobe and depmod). As
> evidence, router and squid exchange wccp messages (here 1 am/i see
> you/bucket assigned).
>
> The gre patch I saw on the sight was for 2.2 kernel. Since no gre
> patch was mentioned for 2.4 kernel, I took it to be already fixed. I
> also didn't see anything in the FAQ concerning gre and 2.4 kernel.
>
> If this patch is required, what steps are needed to implement it for
> 2.4 kernel?
>
>
> Thanks,
>
> Mark
>
>>>> Joe Cooper <joe@swelltech.com> 07/18/02 02:22PM >>>
>>>
> I'm guessing you haven't installed the ip_wccp module, or patched
> your ip_gre module.
>
> Mark Eanes wrote:
>> Setting up a linux7.3 running 2.4S6 squid as a transparent proxy.
>> Have enabled wccp with Cisco router and, using ethereal, see the
>> initial communications for wccp (here i am/i see you/assign bucket)
>> with no problem.
>>
>> However, one the first packet is redirected, the squid box is
>> senfing an ICMP Dest Unreach/Protocol Unreach message to the
>> router, effectively killing Internet access. Wccp is still talking
>> as I see other here i am/i see you messages.
>>
>> Has anyone experienced this? If so, what was the fix to get the
>> communications flowing? The router is wccpv1 and I'm sure I can
>> eliminate the router as the troublemaker.
>>
>> Any help with this will be appreciated. The settings for
>> squid.conf are all default except for wccp router and the
>> following httpd_accel settings:
>>
>> httpd_accel_host virtual httpd_accel_with_proxy on
>> httpd_accel_uses_host_header on
>>
>> If I'm missing something it hasn't been for not looking.
>>
>> Thanks
>

-- 
Joe Cooper <joe@swelltech.com>
Web caching appliances and support.
http://www.swelltech.com