nanog mailing list archives

Re: Low Cost 400G??


From: Tom Samplonius via NANOG <nanog () lists nanog org>
Date: Sun, 14 Dec 2025 23:13:40 -0800


  Juniper PTX 10001-36MR.    I have no idea what these cost “on the street” now, but Juniper had great deals Dec 2024 
on these.


  Or if you are purchasing in 2026, the Juniper MX301.  This is probably the best “minimally viable 400G” router, as it 
pushes a bit farther than the FIB scale of the Arista stuff, but at the cost of relatively low 400G density.


Tom

On Dec 14, 2025, at 11:02 PM, Mike Hammett via NANOG <nanog () lists nanog org> wrote:

Is it paradoxical to wonder what low-cost full table (or close to it) 400G options there are? An earlier thread looks 
like the Arista 7280QR-C36 is "almost" there for 100G at a reasonable $3k, but a quick look at 400G-capable goes up, 
well, 4x in price, though one does get fully into DFZ capable devices then.

It seems like anything with more than low 6 digit route capability goes into full-scale multi-million capability, 
which is great technically, but not so great financially.



-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com

Midwest-IX
http://www.midwest-ix.com


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