Re: [NANOG] peering between ASes

[Nathan Ward <nanog () daork net>]

On 17/05/2008, at 5:05 PM, Matthew Moyle-Croft wrote:
> Some MLPAs give you some control over routing (eg.  don't send my
> prefixes to ASxxxx), but a lot don't.

If you really need to, you can get a similar effect by using ASPATH  
poisoning; just prepend your AS paths with the ASes you don't want  
those prefixes hitting.

Similar, not identical, so may not work for you how you want.

Googling around finds some explanation of it here:
http://ispcolumn.isoc.org/2005-08/as1.html

Nothing really about how it works in a MLPA IXP though.

--
Nathan Ward


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