[58494] in North American Network Operators' Group

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Re: BGP Path Filtering

daemon@ATHENA.MIT.EDU (Mark Radabaugh)
Fri May 16 09:43:42 2003

From: "Mark Radabaugh" <mark@amplex.net>
To: <nanog@merit.edu>
Date: Fri, 16 May 2003 09:43:11 -0400
Errors-To: owner-nanog-outgoing@merit.edu




> You should start using communities if you want to provide transit to
> downstream bgp customers. Use the right tool for the right job.
>
> Ali,
> DSL.net, Inc.
>
>

I suppose I asked the wrong question - it should have been 'what is the BCP
for filtering outbound announcements'.

Apparently the consensus is to do it with route-maps, communities, and
prefix-lists rather than access-lists.

Thank you to William Charnock for privately sending an example showing how
to do this.

Mark Radabaugh
Amplex
(419) 720-3635



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