[j-nsp] 40G QSFP problems on QFX5100 after 16.1R6

[Luca Salvatore]

Also experienced these issues with most versions above 14.1X53.
FWIW I've had no problems with 17.3R2-S1.2, but we did have issues with
17.4R1

We're working with our account team to try and sort this stuff out

On Tue, Apr 24, 2018 at 8:21 AM Sebastian Wiesinger <sebastian at karotte.org>
wrote:

> * Chris via juniper-nsp <juniper-nsp at puck.nether.net> [2018-04-24 09:58]:
> > I can't keep switching firmware around to try and resolve this/isolate
> to a
> > specific revision, but it is interesting that you also note you have not
> > experienced any issues with 16.1, the same as us. If you get a proper
> answer
> > to what this issue is I would really like to know, but it looks like I
> will
> > probably have to downgrade to 16.1 due to these issues as they are
> impacting
> > services.
>
> Interesting stuff, I'm fishing around but I'm suspecting perhaps this
> is some sort of timing issue. Just be aware that 16.1R6 is also a
> "bad" version from our point of view. 16.1R5-S2 is fine.
>
> Sebastian
>
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