IRR-clueful person at 3356?

Michael Hallgren m.hallgren at
Fri Aug 17 18:21:33 UTC 2012

Yes, usually something like "accept r/n" iff "there is a route object 'covering' r/n and the 'origin AS' of r/n is in the AS-set of the neighbor AS.

-----Message d'origine-----
De:Mike Simkins
Envoyé: 17/08/2012, 18:04 
A: jlewis at; rs at
Cc: nanog at
Objet:Re: IRR-clueful person at 3356?

That's the sort of thing we have in Europe, downstream customer need to be
in your AS-SET for filtering purposes

----- Original Message -----
From: Jon Lewis [mailto:jlewis at]
Sent: Friday, August 17, 2012 11:29 AM
To: Robert E. Seastrom <rs at>
Cc: nanog at <nanog at>
Subject: Re: IRR-clueful person at 3356?

On Fri, 17 Aug 2012, Robert E. Seastrom wrote:

> The telemetry I'm getting (thirdhand and believed to originate from
> first line support) suggests that both Level(3)'s direct customer and
> any downstreams of that customer need to be in the same IRR component.

Can't say for sure if it's true, but I've been told the same thing by
Level3 support.

  Jon Lewis, MCP :)           |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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