[120513] in North American Network Operators' Group
Re: IGMP and PIM protection
daemon@ATHENA.MIT.EDU (Peter Hicks)
Wed Dec 23 07:27:13 2009
Date: Wed, 23 Dec 2009 12:26:22 +0000
From: Peter Hicks <peter.hicks@poggs.co.uk>
To: Glen Kent <glen.kent@gmail.com>
In-Reply-To: <92c950310912230341vbe1fffcwbdbebbd5bc945509@mail.gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Glen Kent wrote:
> Any idea if folks use AH or ESP to protect IGMP/PIM packets? Wondering
> that if they do, then how would snooping switches work?
>
Would encrypting multicast not fundamentally break the concept of
multicast itself, unless you're encrypting multicast traffic over a
backbone?
Peter