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Re: Error in assignments....?

  • From: Kurt Erik Lindqvist
  • Date: Wed Jun 12 05:05:40 2002




...exactly. So, again, I can't see a valid reason for a single route to originate from two different AS:es. Unless for transition purposes as was mentioned.

- kurtis -

--On Tuesday, June 11, 2002 9:58 PM +0100 "Stephen J. Wilcox" <steve@opaltelecom.co.uk> wrote:

I'm not familiar with all the RIR policies but RIPE is very
straightforward, if you want an ASN you have to be multihomed. I cant see
any logic why another RIR would be different in its approach...

In my experience its far easier to get an ASN from RIPE than an IP
assignment approved. For the latter you need to prove all kinds of things
as to why you need it, for an ASN all you have to do is prove you have two
upstream ISPs and nothing more!

Steve

On Tue, 11 Jun 2002, Sabri Berisha wrote:

On Tue, 11 Jun 2002, Stephen J. Wilcox wrote:

> Ugh, this is why ASN's exist and is why ppl have been posting about
> inconsistent BGP announcements of late
>
> If you originate the same block from 2 ASNs then you no longer have a
> single administrative area and need a 3rd ASN as per the RFC.

And if your regional registry refuses to assign an ASN you are cooked and
you will probably end up using a solution like this. I'm not saying its
good, I'm saying its bad, but unfortunately common practice.








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