Re: [squid-users] WCCP becomes unusable

From: Adrian Chadd <>
Date: Thu, 14 Feb 2002 07:45:30 -0700

On Thu, Feb 14, 2002, Gergely Madarasz wrote:

> I don't know exactly how wccp works, but from what I read from the squid
> wccp code it seemed to me, that squid doesn't check anything in the
> iseeyou messages except for the change member, so how could it see that
> its out of the cache assignment?
> And how should the cache resubmit itself? I only see that it sends hereiam
> packets like it should, and the cisco router sees them, and show ip wccp
> web-cache detail shows them as usable, there's just no hash assigned to
> them (and when the designated cache reconfigures the hash without any
> change notification, the cache gets his share)
> Btw when I searched the web about this problem, I came to a page where
> they wrote about a similar problem with the cisco cache engine. The
> solution (hah!) explained there was to disable wccp for 30 seconds, then
> enable it again on the cache engine. So it might be a problem with the
> wccp protocol after all...

Well, wccp2 most certainly has that in the protocol spec. I haven't
read the wccpv1 docs. As for wccp2 .. if you really need it .. :)

Received on Thu Feb 14 2002 - 07:45:31 MST

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