[128489] in North American Network Operators' Group
Re: AW: Recommended 1Gb SFP for ~115km?
daemon@ATHENA.MIT.EDU (Will Hargrave)
Tue Aug 10 17:28:24 2010
From: Will Hargrave <will@harg.net>
In-Reply-To: <B6C5ED365F33694B8E8D7D04314246A4135FE3@mimmi2.intranet.flexoptix.net>
Date: Tue, 10 Aug 2010 22:28:04 +0100
Cc: <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 4 Aug 2010, at 17:58, Thomas Weible wrote:
> Cisco did a quite good job on implementing the DDM characteristics of =
the optics. So why not to take a 32dB or even 41dB power budget SFP and =
make it workable in the switch / router. Works like charm in some setups =
and you see straight the actual line.
Sadly not the case here.
OP is using a 6506, and the majority of the 67xx linecards released =
(which are the decent gige linecards for 6500) don't even support =
DDM/DOM at all. Only the very latest hardware revisions do. Sigh.
Other vendors refuse to report light levels from optics they didn't =
supply. This is just a bad-faith way round the RFP/tender clauses we've =
all been including for the past 5 years prohibiting vendor locking =
optics. Shame on them.
Will
