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List:       ipsec
Subject:    Re: [Ipsec] Multicast Traffic support within IPSec VPN Tunnel?
From:       Stephen Kent <kent () bbn ! com>
Date:       2004-11-18 16:55:27
Message-ID: p06200700bdc2840d9e23 () [128 ! 89 ! 89 ! 75]
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At 3:42 PM -0800 11/17/04, Michael Reilly wrote:
>Using GRE is a common way to do this now.  Setup a GRE tunnel and 
>protect it using IPSec.
>
>michael
>

Yes, one can do that, but of course the extra layer (GRE) looses the 
IPsec access control functionality for the multicast traffic. If the 
intent is a point-to-point tunnel in an overlay net context, then 
this is not an issue.

Steve

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