[112344] in North American Network Operators' Group
Re: switch speed question
daemon@ATHENA.MIT.EDU (Chris Adams)
Tue Feb 24 12:25:46 2009
Date: Tue, 24 Feb 2009 11:25:28 -0600
From: Chris Adams <cmadams@hiwaay.net>
To: Roy <r.engehausen@gmail.com>
Mail-Followup-To: Chris Adams <cmadams@hiwaay.net>,
Roy <r.engehausen@gmail.com>, NANOG list <nanog@nanog.org>
In-Reply-To: <49A42B2C.1040507@gmail.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
Once upon a time, Roy <r.engehausen@gmail.com> said:
> I think your math is faulty. While there may be 24G going in and 24G
> going out, there is only 24G crossing the backplane. You can't count a
> bit twice (once on in and once on out). Its the same bit.
Not every bit in results in just one bit out. Broadcast, multicast,
flooding for unknown MACs (or switching failures), ...
--
Chris Adams <cmadams@hiwaay.net>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.
