[172609] in North American Network Operators' Group
RE: MACsec SFP
daemon@ATHENA.MIT.EDU (Michael O Holstein)
Wed Jun 25 16:48:59 2014
X-Original-To: nanog@nanog.org
From: Michael O Holstein <michael.holstein@csuohio.edu>
To: John Schiel <jschiel@flowtools.net>, Pieter Hulshoff
<phulshof@aimvalley.nl>
Date: Wed, 25 Jun 2014 20:45:07 +0000
In-Reply-To: <CABmZaCNEx9HPPwQ18a394HKK+9+20Pncz-sBotDg5KofjVca8A@mail.gmail.com>
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
>protocol was that communicated this information down to the SFP=0A=
=0A=
For EEPROM access in a SFP+ it's I2C with is well documented and used in to=
ns of embedded stuff .. commercial logic analysis tools can handle this pro=
tocol, as can your average $10 Arudrino.=0A=
=0A=
Of course writing certain parts of the SFP+ EEPROM are "protected" for obvi=
ous reasons but that certainly hasn't stopped people.=0A=
=0A=
Cheers,=0A=
=0A=
Michael Holstein=0A=
Cleveland State University=
