Policy routing to two proxies

We're about ready to implement a squid caching solution using policy-based
routing on a cisco. Please don't mention WCCP. I have scripts to check for
live caches, shut off the redirect, etc.

I would like to add a twist.

We currently use an XStop filter for certain users. I would like to have
the XStop users automatically pointed to the xstop server through policy
routing, while the other users are pointed to the proxy. I can assign the
xstop users a particular set of IP's.

Would this be best done at the cisco policy routing level, or should I point
everyone to the squid and have it redirect the xstop users traffic to the
xstop box? Examples on how to do this?

Also, does the proxy have to be right on the router network for the policy
routing to work? Can I point the users to cache that may be on some other
network far away?

Thanks for any help/examples/experiences you can share.

Randy Cosby
nGenuity, Inc./InfoWest, Inc.
435-674-0165 x11
Fax: 435-674-9654

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