From owner-freebsd-net  Mon Jun  3 10:40:25 2002
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Date: Mon, 3 Jun 2002 10:33:35 -0700 (PDT)
From: Julian Elischer <julian@elischer.org>
To: Barry Irwin <bvi@itouchlabs.com>
Cc: freebsd-net@freebsd.org
Subject: Re: GRE on 4.x
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GRE is used for PPTP

use MPD as a PPTP agent and add IPSEC security associations for that pair
of machines..

(not SURE that will work but I'm experimenting with exactly this myself.)


On Mon, 3 Jun 2002, Barry Irwin wrote:

> Hi All
> 
> I'm trying to integrate with a business aprner here who have a requirement
> we use GRE tunnel inside of IPSEC for a number of reasons.  While the gif(4)
> device provides IPIP tunneling (proto 4) this doesnt work when the remote
> side is expecting true GRE (proto 47). 
> 
> Has any one had any experiance working with GRE tunnels under FBSD.  I have
> tried the following two resources I found but not much success on either.
> 
> http://mike.spottydogs.org/projects/gre-tun/
> 
> http://www.pointless.net/~jasper/consume/docs/my-docs/tunneling.html
> 
> The latter creates a GRE device, but has issues compiling on 4.3 which is
> unfortunately what the production system in question runs.
> 
> Barry
> 
> --
> Barry Irwin		bvi@itouchlabs.com			+27214875177
> Systems Administrator: Networks And Security
> Itouch Labs 		http://www.itouchlabs.com		South Africa
> 
> 
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