Actually FS has SFP28 CWDM optics (1270-1330) available but they are not up on 
the website, just as an FYI.

-----Original Message-----
From: NANOG <nanog-boun...@nanog.org> On Behalf Of Tom Hill
Sent: Monday, 26 November 2018 10:41 AM
To: nanog@nanog.org
Subject: Re: Cheap switch with a couple 100G

On 25/11/2018 21:22, Baldur Norddahl wrote:
> If it is passive, you could tell them it is for 10G but use it for 25G?


The mux isn't the problem, it's that there aren't SFP28 optics commonly 
available in C/DWDM wavelengths. Yet. If they were, well maybe...


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