I recall the MX204 being like that… an XE interface with a 1g speed command on the interface
Aaron > On Nov 3, 2023, at 11:00 AM, Olivier Benghozi via juniper-nsp > <[email protected]> wrote: > > Actually 1G ports are «10G ports operating at 1G speed». > So, configured as 10G ports on chassis side, giga-ether speed 1G on > interface side. > >> Le ven. 3 nov. 2023 à 16:53, Chris Wopat via juniper-nsp < >> [email protected]> a écrit : >> >> I can test this on our lab box, but cant get 'supported platform' in the >> chassis config for >> >> port 15 { >> ## >> ## Warning: statement ignored: unsupported platform (mx304) >> ## >> speed 1G; >> } >> >> even though it's passing on https://apps.juniper.net/port-checker/mx304/ >> ¯\_(ツ)_/¯ >> >> could perhaps work harder on getting that config right later. it >> certainly lets me commit a ge config with that MTU though. when set as >> speed 10g, I can see the 1g optic inserted, as well as DOM, but it won't >> link. >> >> --Chris >> >> >> >> On Fri, Nov 3, 2023 at 10:16 AM Ola Thoresen via juniper-nsp < >> [email protected]> wrote: >> >>>> On 03.11.2023 16:04, Chris Wopat wrote: >>> >>>> We use them on MX304 at 10g, primarily to get DWDM SFP+ to work. MTU >>>> is fine, it's 9k as a part of LACP on a recent deployment. The adapter >>>> simply passes through lane :0 to the port when configured as QSFP+. If >>>> you insert the adapter and no optic, the device is unaware of its >>>> existence - you only see the SFP+ info. >>>> >>> This is the same use case as for us, and my understanding is exactly >>> that they are just passing a single lane through, and should not really >>> know anything about packets or ethernet frames or anything. >>> >>> But still - people more knowledgeable than me - assure me that there is >>> a limit of 2008 Bytes MTU - at least for 1G. >>> >>> I just can't find this documented anywhere, and I would have thought >>> that more people would have made more fuss about it when they start >>> using it if this is a real issue. >>> >>> >>>> We haven't tested in prod on 1g but i think we did in the lab. can >>>> probably toss something in there if you're really curious. I think the >>>> juniper supported optic page lists QSA adapter support or not. I >>>> thought it was generally supported with Junos 20+ nowadays. >>>> >>> Yes. They list QSA adapter as supported, also for 1G optics, and don't >>> write anything about any MTU limitations in the Hardware Compatibility >>> Tool. >>> >> > > -- > *Ce message et toutes les pièces jointes (ci-après le "message") sont > établis à l’intention exclusive des destinataires désignés. Il contient des > informations confidentielles et pouvant être protégé par le secret > professionnel. Si vous recevez ce message par erreur, merci d'en avertir > immédiatement l'expéditeur et de détruire le message. Toute utilisation de > ce message non conforme à sa destination, toute diffusion ou toute > publication, totale ou partielle, est interdite, sauf autorisation expresse > de l'émetteur* > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
