[j-nsp] ACX5448 & ACX710 - Update!

[Shamen Snyder]

Heads up on the ACX5448. There is a major LDP bug in the recommend code
19.3R2-S3.

LDP hellos are punted to the RE In queue rx-unknown-mc instead of
rxq-l3-nc-hi.

A major shift in multicast on our network dropped LDP neighbors.

The issue doesn’t happen in 20.2R1 if you find it’s stable (I haven’t). I
believe the PR is PR1503469 and should be going into 19.3R3.




On Wed, Jul 29, 2020 at 2:20 PM Baldur Norddahl <baldur at gigabit.dk> wrote:

> I am planning to deploy ACX710 with maybe 20 units (which for us is a huge
> number). We would have ordered DC in any case, so that is a non issue. We
> will have them at CO buildings were DC is what you get and maybe in the
> future in road side cabinets, where DC is the easy way to have some battery
> backup.
>
> I am also going to get a few ACX5448 for our datacentre locations. I am
> still considering getting some AC to DC powersupplies for the ACX710
> because the cost saving is considerable. It is not like finding AC to DC
> devices is hard - every laptop comes with one (yea I know too little
> voltage).
>
> Our purpose is to replace our MPLS core with new gear that has deep buffers
> and better support for traffic engineering etc. These will be P and PE
> routers mostly doing L2VPN. We will have a 100G ring topology of ACX710
> devices moving MPLS packets and terminating L2VPN.
>
> Seems to be a perfect fit to me. I am not interested in the older ACX
> devices which lacks buffers and is probably not much better than the gear
> we want to replace.
>
> Regards
>
> Baldur
>
>
> ons. 29. jul. 2020 16.25 skrev Mark Tinka <mark.tinka at seacom.com>:
>
> >
> >
> > On 29/Jul/20 15:49, Eric Van Tol wrote:
> > > We ran into this, too. We signed up to beta test at the beginning of
> > this year and nowhere, not even in discussions with our SE (who also
> wasn't
> > told by Juniper), was it mentioned it was a DC-only device. Imagine my
> > surprise when I received the box and it was DC only. Such a
> disappointment.
> >
> > The messaging we got from them earlier in the year about trying out
> > their new Metro-E box was that we would be happy with it, considering
> > that every Metro-E solution they've thrown at us since 2008 has fallen
> > flat, splat!
> >
> > Come game-time, even our own SE was blindsided by this DC-only support
> > on the ACX710. Proper show-stopper.
> >
> > At any rate, the story is that they should be pushing out some new
> > ACX7xxx boxes from next year, which should have AC support (to you
> > psych. majors: more for the general public, and not the custom-built
> > ACX710).
> >
> > I'm not sure I can be that patient, so I'm sniffing at Nokia's new
> > Metro-E product line. The problem is so far, as with Juniper and Cisco,
> > they've gone down the Broadcom route (some boxes shipping with Qumran,
> > others with Jericho 2, and on-paper, they are already failing some of
> > our forwarding requirements.
> >
> > It's not easy...
> >
> > Mark.
> >
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