[137688] in North American Network Operators' Group

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Re: SFP vs. SFP+

daemon@ATHENA.MIT.EDU (Nick Hilliard)
Fri Feb 18 05:11:52 2011

X-Envelope-To: nanog@nanog.org
Date: Fri, 18 Feb 2011 10:11:37 +0000
From: Nick Hilliard <nick@foobar.org>
To: 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 18/02/2011 05:55, 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.

A well known counterexample of this is the Cisco Nexus5k, where only some 
of the SFP+ ports are 1G capable (first 8 on the 20 port box, and the first 
16 on the 40 port box).

Nick


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