[bdNOG] Fwd: Route leak in Bangladesh

Tue Jun 30 22:23:15 BDT 2015

Dear Faisal Vai,

Thanks for your mail. No, none from Bangladesh replied on NANOG Mailing
list. As we are not part of those NOGs in Europe and USA.
But I talked with some of my friends in NANOG and they replied on behalf of
us.

The problem occurred for 5 mins and the IP starting with 1.x.x.x to
41.x.x.x was effected, as per BGPMon report.
It was instantly identified and rectified.

- with regards

SIMON

On Tue, Jun 30, 2015 at 10:01 PM, Faisal Hasan <hasansf at gmail.com> wrote:

> Hi All,
>
> I see a lot of discussing is going on about the BD Route link at nanog.
> Did anyone respond about it from BD side?
>
> Thanks
> Faisal
> ---------- Forwarded message ----------
> From: Graham Beneke <graham at apolix.co.za>
> Date: Tue, Jun 30, 2015 at 10:45 AM
> Subject: Re: Route leak in Bangladesh
> To: nanog at nanog.org
>
>
> On 30/06/2015 17:09, Job Snijders wrote:
> > If you were the network causing a leak of this type, prefix filters on
> > inbound facing your customers might not have prevented this.
> >
> > If you are a network providing transit to the leak originator mentioned
> > in the above paragraph, I believe a prefix based filter could have made
> > a big difference.
>
> We seem to be assuming that this leak occurred within the context of a
> customer-provider BGP relationship.
>
> But what if this is not the case?
>
> What if this was a peering session - perhaps via a route server at an
> exchange point. max-pref on a session with a route server is an
> extremely blunt (and potentially ineffective) tool for the job.
>
> In some regions the use to route servers and the lack of clue about
> anything BGP beyond one session to the route server (and one session to
> transit) is scary. We place our faith in the IXP operator, that they
> know best, while there may be no evidence that they do... ;-)
>
> --
> Graham Beneke
>
>
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> nog at bdnog.org
> http://mailman.bdnog.org/mailman/listinfo/nog
>
>

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