Re: [squid-users] squid-3.1.0.15 and WCCPv1

From: Graham Keeling <graham_at_equiinet.com>
Date: Fri, 29 Jan 2010 16:23:03 +0000

On Fri, Jan 29, 2010 at 03:59:29PM +0000, Graham Keeling wrote:
> On Fri, Jan 29, 2010 at 11:35:00AM +0000, Graham Keeling wrote:
> > Hello,
> >
> > I am trying to upgrade my squid from 2.5 to 3.1.
> > I have got all my old configuration working on 3.1, except...
> > I am coming across a problem with WCCPv1.
> >
> > 172.16.13.56 is the address of the squid box.
> > 172.16.13.2 is the address of the cisco router.
> > I have wccp_router=172.16.13.2 in my squid.conf.
> >
> > squid-2.5 connects to UDP port 2048, I get replies, and everything else then
> > works. Here is a tcpdump of the initial connection:
> >
> > 16:12:13.404466 IP 172.16.13.56.2048 > 172.16.13.2.2048: UDP, length 52
> > 16:12:13.406764 IP 172.16.13.2.2048 > 172.16.13.56.2048: UDP, length 64
> >
> >
> > But, squid-3.1 looks like it is trying to connect to UDP port 0 on the cisco.
> > Here is the equivalent tcpdump with squid-3.1:
> >
> > 15:59:10.093415 IP 172.16.13.56.2048 > 172.16.13.2.0: UDP, length 52
> > 15:59:10.094423 IP 172.16.13.2 > 172.16.13.56: ICMP 172.16.13.2 udp port 0 unreachable, length
> >
> >
> > I have looked at the src/wccp.c for squid-2.5, and it is clear that the port is
> > being set to 2048 for the connection to the router.
> > I have also looked at the source for 2.6, 2.7 and 3.0 (src/wccp.cc for this
> > version).
> > In all those, it appears to be setting the port on the outgoing connection.
> >
> > However, in the 3.1 source, it doesn't.
> >
> > Is this a bug?
> >
> > Has anybody got WCCPv1 working with squid-3.1?
>
>
> Further information:
> I've now tried squid-3.0.STABLE21, and WCCPv1 worked fine.
>
> Conclusion:
> WCCPv1 is broken in squid-3.1.
>
> Is this the correct list to be reporting this to?

My squid-3.1 WCCPv1 appears to work with the attached patch that I just made.

Received on Fri Jan 29 2010 - 16:22:03 MST

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