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Date:      Sun, 27 Oct 2002 17:45:43 +0200
From:      Lefteris Tsintjelis <lefty@asda.gr>
To:        freebsd-stable@FreeBSD.ORG
Subject:   GRE tunnel kernel support for SQUID and Cisco (wccp v1)
Message-ID:  <3DBC0A27.EEC98834@asda.gr>

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Hi all.

I am not sure I send this to the right list. If no, I apologize and
please tell me where to send it to.
Is there any chance of including the following patch to kernel?

Adds GRE tunnel support to kernel, transparent proxy (use with Cisco
routers and Squid boxes)

1)      Add gre.c to sys/netinet
2)      Patch kernel with gre-squid.patch
3)      Add "option     GRE" to kernel config, rebuild and install (UDP
port 2048 tunnel squid <---> router)
4)      Setup your rc.conf to inculde similar to gre-ipfw.conf rules
5)      Setup squid.conf to use your wccp router (further info @
http://www.squid-cache.org/Doc/FAQ/FAQ-17.html)
6)      Setup your Cisco IOS for wccp webcache version 1 redirection.
7)      DONE. Don't forget to reset :-)

I have tested it with FreeBSD 4.7-STABLE, squid-STABLE 2.4/5 and seems
to be working very STABLE.
Much faster than using Cisco access-list redirection rules. Router can
handle a lot more requests for large scale networks.

Lefteris Tsintjelis (lefty@ene.asda.gr)
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