[137686] in North American Network Operators' Group
Re: SFP vs. SFP+
daemon@ATHENA.MIT.EDU (Richard A Steenbergen)
Fri Feb 18 01:07:07 2011
Date: Fri, 18 Feb 2011 00:06:55 -0600
From: Richard A Steenbergen <ras@e-gerbil.net>
To: Peter Nowak <pnowak@batblue.com>
In-Reply-To: <20110218055545.2aabdb16@concur.batblue.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Fri, Feb 18, 2011 at 12:55:45AM -0500, Peter Nowak wrote:
>
> You can plug SFP module (copper or fiber) into any SFP+ port.
> So, on 10G port you can run either 1GE or 10GE.
Not true. Some devices support this, since SFP and SFP+ are physically
and electrically compatible, but not all. The device must be
specifically designed to support both PHYs, which is NOT a given.
--
Richard A Steenbergen <ras@e-gerbil.net> http://www.e-gerbil.net/ras
GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)
