[AusNOG] Issue getting routes from Telstra to 49.156.16.0/22

Tom Paseka tom at cloudflare.com
Wed May 2 14:21:15 EST 2012


Also think though, de-aggregation wont fix the problem so its not worth the
time.
On May 1, 2012 9:04 PM, "Wade Millican" <Wade.Millican at echoent.com.au>
wrote:

> Hi Matthew,
>
> The original suggestion was mine and I'll own it. Sheng's original
> question of which I was replying to, was in an outage situation where
> another AS is claiming ownership of your net block what actions could be
> taken to enable resumption of service. This style of discussion is
> something I'm interested in hearing about, other than nag the upstreams
> which is slow at best. Actions that can be taken by the AS in question to
> resume service.
>
> Yes, let's think of the TCAM, but let's try resume service first. If
> Telstra accept the route (and my hunch is they will), sort that out before
> trying to work out Layer 8.
>
> Any other creative solutions on how to gain control back of one's prefixes?
>
> Cheers,
>
> Wade
>
>
> From: Matthew Moyle-Croft <mmc at mmc.com.au>
> Date: Tue, 1 May 2012 20:35:56 -0700
> To: James Spenceley <james at vocus.com.au>
> Cc: Wade Millican <wade.millican at echoent.com.au>, "ausnog at ausnog.net" <
> ausnog at ausnog.net>
> Subject: Re: [AusNOG] Issue getting routes from Telstra to 49.156.16.0/22
>
> James,
> Please don't encourage de-agg to /24 and below.  It's bad enough that an
> Australian network is on the top 10 global de-agg'ed list.
>
> Everyone:  Advertise the shortest prefixes you can, then you only have to
> go one bit down to be more specific.  Jumping straight to /24s is just
> awful.
>
> Won't someone PLEASE think of the TCAM?
>
> MMC
>
> On 02/05/2012, at 9:33 AM, James Spenceley wrote:
>
>
> On 02/05/2012, at 9:32 AM, Wade Millican wrote:
>
> Hi Sheng,
>
>
> I'd start by trying to advertise more specific prefixes. I see below that
> Dodo was adverting /24's. If Telstra allows /25 routes to be advertised
> you'll trump any AS_Path selections pointing to Dodo.
>
>
> Normally you would expect a provider to filter /25s but hey it seems
> telstra seem willing to accept almost anything, so well worth a try :)
>
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