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Date:      Wed, 17 Dec 2003 15:01:53 +0100
From:      Eric Masson <e-masson@kisoft-services.com>
To:        Helge Oldach <helge.oldach@atosorigin.com>
Cc:        Mailing List FreeBSD Network <freebsd-net@FreeBSD.org>
Subject:   Re: gre tunnel & ipsec transport mode
Message-ID:  <86vfofczla.fsf@t39bsdems.interne.kisoft-services.com>
In-Reply-To: <200312170832.JAA27711@galaxy.hbg.de.ao-srv.com> (Helge Oldach's message of "Wed, 17 Dec 2003 09:32:31 %2B0100 (MET)")
References:  <200312170832.JAA27711@galaxy.hbg.de.ao-srv.com>

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>>>>> "Helge" == Helge Oldach <helge.oldach@atosorigin.com> writes:

Hello Helge,

 Helge> I think the problem is that you need multicasts to exchange
 Helge> routing updates through the tunnel. If I am not mistaken that is
 Helge> supported with gif interfaces as well. Maybe you could do away
 Helge> with gif?

I have a setup with gif tunnels atm, "it just works" (c) (r) (tm) ;)

 Helge> This is odd. Do you have a chance to test this against another
 Helge> IPSec box, e.g. a Cisco router configured with a GRE Tunnel
 Helge> interface?

Nope atm, the archives of this list show a similar case in June 2003
with no answer.

>From section 3.4 of the following document, encapsulating gre tunnels in
ipsec transport should "just work"
http://decoy.khaotic.net/~say/files/FreeBSD-WIN2K-IPSEC-HOWTO.html

Thanks for your help.

Eric Masson

-- 
 Tu as lu les docs. Tu es devenu un informaticien. Que tu le veuilles
 ou non. Lire la doc, c'est le Premier et Unique Commandement de
 l'informaticien.
 -+- TP in: Guide du Linuxien pervers - "L'évangile selon St Thomas"



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