[j-nsp] Trouble with 100G link MX204 <-> Dell S4100F-ON

[Vincentz Petzholtz]

Hi Emmanuel,

We haven’t had a lot of „good experience“ with Junos 17.4 on MX204.
I would recommend to upgrade to latest s point release within the 18.1R3 train.
We had issues with certain D/CWDM internal mux optics like CLR4 or CLR4+ before that.
1G speeds are also broken with pre 18.1.

Good luck!

Best regards,
Vincentz

> Am 13.03.2020 um 17:41 schrieb Emmanuel Halbwachs <Emmanuel.Halbwachs at obspm.fr>:
> 
> Hello,
> 
> By chance, have somebody on this list succeeded in connecting at 100G a
> MX204 to a Dell S4100-ON series ?
> 
> I didn't succeed.
> 
> MX204 <-> MX204 is OK.
> Dell S4100 <-> Dell S4100 is OK.
> MX204 <-> Dell S4100 is not OK...
> 
> I'm using the same brand of (compatible) QSFP28 10G-SR4. They just
> differ by firmware tagging, but both Junos and DNOS accept foreign
> transceivers anyway.
> 
> Cable is 12 FO multimode MTP, same for all tests.
> 
> Dell are at lastest version and MX204 are at 17.4.
> 
> If someone has a clue, It will be most welcome.
> 
> Next step is to ask both supports, but I fear ping-pong.
> 
> Have a nice week-end,
> 
> --
> Emmanuel Halbwachs                              Resp. Réseau/Sécurité
> Observatoire de Paris                             ✆ +33 1 45 07 75 54
> Paris :  61           av. de l'Observatoire   F 75014 PARIS
> Meudon : 11 (face 32) av. Marcellin Berthelot F 92190 MEUDON
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