[c-nsp] [j-nsp] Stange issue on 100 Gbs interconnection Juniper - Cisco

[Saku Ytti]

I want to clarify, I meant this in the context of the original question.

That is, if you have a BGP specific problem, and no FCS errors, then
you can't have link problems.

But in this case, the problem is not BGP specific, in fact it has
nothing to do with BGP, since the problem begins on observing link
flap.

On Sun, 11 Feb 2024 at 14:14, Saku Ytti <saku at ytti.fi> wrote:
>
> I don't think any of these matter. You'd see FCS failure on any
> link-related issue causing the BGP packet to drop.
>
> If you're not seeing FCS failures, you can ignore all link related
> problems in this case.
>
>
> On Sun, 11 Feb 2024 at 14:13, Havard Eidnes via juniper-nsp
> <juniper-nsp at puck.nether.net> wrote:
> >
> > > DC technicians states cable are the same in both DCs and
> > > direct, no patch panel
> >
> > Things I would look at:
> >
> >  * Has all the connectors been verified clean via microscope?
> >
> >  * Optical levels relative to threshold values (may relate to the
> >    first).
> >
> >  * Any end seeing any input errors?  (May relate to the above
> >    two.)  On the Juniper you can see some of this via PCS
> >    ("Physical Coding Sublayer") unexpected events independently
> >    of whether you have payload traffic, not sure you can do the
> >    same on the Nexus boxes.
> >
> > Regards,
> >
> > - Håvard
> > _______________________________________________
> > juniper-nsp mailing list juniper-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/juniper-nsp
>
>
>
> --
>   ++ytti



-- 
  ++ytti