Re: validating reachability via an ISP

[Ben Bartsch <uwcableguy () gmail com>]

+1 for Route Explorer

On Thu, Apr 5, 2018 at 2:49 AM, Andy Davidson <andy () nosignal org> wrote:

> On 29/03/2018, 00:22, Andy Litzinger <andy.litzinger.lists () gmail com>
> wrote:
> > > The root cause is that the our prefix is not being adequately
> > > re-distributed globally by the regional ISP.  This is unexpected and we
> are
> > > working through this with them now.
>
> Hi, Andy —
>
> Are you failing to advertise it, or are they filtering it on ingress, or
> are they failing to send it to their other peers?
>
> One configuration mishap which is starting to come along more and more
> partial or poor reachability caused by route objects which are not
> correctly published in the IRRDB. It is going to be essential to make sure
> that you have properly recorded IRR route objects in, for instance, RADB.
> More BGP speakers properly filter their peers using information that is
> published there.  Avoid future reachability problems by checking this today!
>
> Yours,
> A friendly route-server operator with strict filtering
>
> -a
>
>
>
> --
> Andy Davidson            Asteroid International BV
> https://www.asteroidhq.com    @asteroidhq   @andyd
> --------------------------------------------------
> Local interconnection.          Where you need it.