[j-nsp] 100G DAC issue between MX204 and QFX5110

[Tim Jackson]

Don't think it's just you. We've had tons of issues with QSFP28 optics
across all sorts of hardware.

--
Tim

On Thu, Jun 20, 2019 at 8:38 AM Saku Ytti <saku at ytti.fi> wrote:

> Is it just me or does 100GE have lot more interop issues than we had
> with 1GE and 10GE?
>
> Vendor rep explained it as MSA being too ambiguous so both can do
> everything right and still not interop, unsure if defensive or
> factual.
>
>
> On Thu, 20 Jun 2019 at 16:34, Tim Jackson <jackson.tim at gmail.com> wrote:
> >
> > We've actually had the reverse issue where 17.4 is the only release that
> > some DACs will function. Any 18.x release seems to break them. These
> aren't
> > Juniper coded DACs, but just generic coded:
> >
> >
> https://paste.somuch.fail/?248d62d55916f17b#+flZp6LEb0ZY48AI/3rc4YidWw6LENIQTPxpc4O6j7g=
> >
> > --
> > Tim
> >
> > On Thu, Jun 20, 2019 at 8:24 AM Chris Wopat <me at falz.net> wrote:
> >
> > > We have tested flexoptix 3rd party DAC between MX204 and
> QFX5120/QFX10002
> > > with mixed results. Per release notes/ HCL, DAC isn't supported on
> MX204
> > > until 18.2
> > >
> > > https://apps.juniper.net/hct/product/#prd=MX204
> > >
> > > We couldn't link anything with mx204 dac on anything below 18.2. There
> are
> > > also a few DAC related PRs in the 18.2r1 release notes.
> > >
> > >
> > >
> https://www.juniper.net/documentation/en_US/junos/information-products/topic-collections/release-notes/18.2/junos-release-notes-18.2.pdf
> > > _______________________________________________
> > > juniper-nsp mailing list juniper-nsp at puck.nether.net
> > > https://puck.nether.net/mailman/listinfo/juniper-nsp
> > >
> > _______________________________________________
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>
>
>
> --
>   ++ytti
>