Re: [squid-users] WCCPv2 GRE with 2.6 on Linux

On Sat, Sep 02, 2006, Stephen Fletcher wrote:
> Hi
> I have compiled the Debian Unstable package of Squid 2.6.3 and cannot get
> WCCPv2 GRE working.
> I have built with standard confiure options so WCCPv2 support should be
> available. I configure my wccp2_router and leave it as other default wccp2
> options such that it is using ID 0 and GRE. I see the squid proxy ip has
> register itself with my Pix. However when GRE packets are sent to the Squid
> cache there is no response from Squid. I can't see squid listening on
> protocol 47, and nothing shows in the squid access.log.

Can you post a squid -v?

I've been running squid-2.6 and squid-3 with wccpv2 and it works fine.
The thing I initially forgot was --enable-linux-netfilter.
It'll run; it just won't work. :)

> Registered with Pix...
> WCCP-PKT:S00: Received valid Here_I_Am packet from 172.16.1.7 w/rcv_id
> 00001AA4
> WCCP-PKT:S00: Sending I_See_You packet to 172.16.1.7 w/ rcv_id 00001AA5
>
> I also decided to try using the ip_wccp module instead of ip_gre but it
> wouldn't compile with 2.6.17.8. I would prefer to not pursue this method
> however.

Have you bought up a 'fake' gre interface just so the kernel will
handle incoming GRE?

also, have you turned on ip forwarding and turned off rp_filter ?

adrian
Received on Fri Sep 01 2006 - 20:45:20 MDT