[119296] in North American Network Operators' Group
Re: Layer 2 vs. Layer 3 to TOR
daemon@ATHENA.MIT.EDU (David Coulson)
Thu Nov 12 16:08:21 2009
Date: Thu, 12 Nov 2009 16:07:35 -0500
From: David Coulson <david@davidcoulson.net>
To: Seth Mattinen <sethm@rollernet.us>
In-Reply-To: <4AFC6DD8.5050502@rollernet.us>
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Seth Mattinen wrote:
> I'd always wondered how you make a subnet available across racks with L3
> rack switching. It seems that you don't.
You could route /32s within your L3 environment, or maybe even leverage
something like VPLS - Not sure of any TOR-level switches that MPLS
pseudowire a port into a VPLS cloud though.
Kinda makes L3 and spanning tree sound like a great option, doesn't it?
