[c-nsp] nexus material and coloured CWDM 10G SFP+

quinn snyder snyderq at gmail.com
Fri Sep 9 09:16:48 EDT 2011


holemans --

via 'sh int e<x/y> trans det' one can scrape the dom information from
the pluggable, assuming the pluggable supports dom.

regards,
q.

-= sent via iphone. please excuse spelling, grammar, and brevity =-

On Sep 9, 2011, at 2:24, Holemans Wim <wim.holemans at ua.ac.be> wrote:

> Recently we started using CWDM coloured 10G SFP+ interfaces (smartoptics) on our campus network (in 4900M with OneX convertors). This works just fine although Cisco probably will tell us that is not supported...
> I'm wondering if someone already did the same thing on nexus 5xxx switches, especially 5010 and 5548. We are planning to build a new backbone between different datacenters based on nexus material (5010 in 2 remote datacenters, 5548 in the central datacenter). We could use the transponders of our CWDM vendor and use local SR SFP+ interfaces but these transponders cost about 3x times more than coloured SFP+ interfaces (and these don't com cheap). Using coloured SFP+ interfaces moves control/monitoring of the fiber losses  to the end device but we can live with that.
> Second question : can you read out fiber losses on a nexus ? (cfr show int transc in IOS)
>
> Greetings,
>
> Wim Holemans
> Netwerkdienst Universiteit Antwerpen
> Network Services University of Antwerp
>
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