On 20/01/16 16:56, Jeroen Wunnink wrote: > We have good experience with Flexoptix. You can brand them yourself > using their (free?) USB box to any vendor you want, including Arista. > Not sure if they have QSFP's yet, but we have CFP-LR4's running > successfully on multiple paths of our backbone.
https://www.flexoptix.net/en/qsfp28-lr4-transceiver-100-gigabit-sm-4-waves-1295-1310nm-10km-6db-ddm-dom.html Note that if you see something you don't like (the price, the compatibility, or whatever) then do get in touch with them; they can be extremely accommodating. :) -- Tom