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RE: [routing-wg]More specific prefix announce
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From: "Michael Hallgren" <>
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Date: Fri, 2 Sep 2005 11:12:40 +0200
> -----Message d'origine-----
> De : routing-wg-admin@localhost
> [ ] De la part de Volodymyr Yakovenko
> Envoyé : vendredi 2 septembre 2005 00:27
> À : dendy@localhost
> Objet : Re: [routing-wg]More specific prefix announce
>
> On Fri, Sep 02, 2005 at 12:01:16AM +0500, dendy@localhost wrote:
> >Hello.
> >Unfortunately, I'm not so experienced in the question to anwer that.
> >Therefore I ask for help and will be thankful for any clarification.
> >
> >We have a /20 ASSIGNED PI address block and an AS. Is it allowed by
> >RIPE policy to intentionally announce more specific prefix
> than one we
> >have from our AS to upstream ASes?
> >For example, announce our X.X.0.0/20 to upstream A and announce both
> >X.X.0.0/20 and
> >X.X.6.0/23 to B?
>
> It is not disallowed. What's more - it is common practice to
> perform incoming capacity engineering in this way.
But, IMHO, preferably in a multiple interconnection to a single AS scenario
only (having that AS export the shortest prefix only).
Mh
>
> >--
> >Denis Tatarskikh [UdSU/MF] [UdSU/IC]
> >
>
> --
> Regards,
> Volodymyr.
>
>
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