[148348] in North American Network Operators' Group
RE: QinQ switch or similar
daemon@ATHENA.MIT.EDU (Tom Hill)
Thu Jan 12 16:22:00 2012
From: Tom Hill <tom@ninjabadger.net>
To: nanog@nanog.org
Date: Thu, 12 Jan 2012 21:20:39 +0000
In-Reply-To: <1A8A762BD508624A8BDAB9F5E1638F94601CBB76F5@comsrv01.fg.local>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sun, 2012-01-08 at 14:06 -0600, Jensen Tyler wrote:
> We have been using Ciena switches for QinQ.
>
> CN3920 would fit best for low cost. Pretty easy to use.
The 3916 is one generation newer, cheaper, has a hardware FIB and
therefore also does all the MPLS bits and bobs (though don't use that
until 6.10, we're told.)
If I remember rightly a 3920 can't pop-off an S-tag on egress, too.
There's some silly limitation like that.
Tom
