[150395] in North American Network Operators' Group
Re: do not filter your customers
daemon@ATHENA.MIT.EDU (Anurag Bhatia)
Thu Feb 23 03:01:18 2012
In-Reply-To: <m2zkca6nqp.wl%randy@psg.com>
Date: Thu, 23 Feb 2012 13:30:27 +0530
From: Anurag Bhatia <me@anuragbhatia.com>
To: Randy Bush <randy@psg.com>
Cc: NANOG Mailing List <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Haha! Funny
(Sent from my mobile device)
Anurag Bhatia
http://anuragbhatia.com
On Feb 23, 2012 12:27 PM, "Randy Bush" <randy@psg.com> wrote:
> >> and things when further downhill from there, when telstra also did not
> >> filter what they announced to their peers, and the peers went over
> >> prefix limits and dropped bgp.
> > Oh! so protections worked!
>
> imiho, prefix count is too big a hammer.
>
> it would have been better if optus had irr-based filters in place on
> peerings with telstra. then they would not have dropped the sessions
> and their customers could still reach telstra customers.
>
> of course, if telstra did not publish accurately in an irr instance,
> not much optus could do.
>
> randy
>
>
