Re: [sidr] [Idr] AS_SET depreciation (RFC6472) and BGP multipath

Jeffrey Haas <jhaas@pfrc.org> Wed, 28 March 2012 21:05 UTC

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Date: Wed, 28 Mar 2012 17:05:19 -0400
From: Jeffrey Haas <jhaas@pfrc.org>
To: Paul Jakma <paul@jakma.org>
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Subject: Re: [sidr] [Idr] AS_SET depreciation (RFC6472) and BGP multipath
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Paul,

On Wed, Mar 28, 2012 at 02:10:04PM +0100, Paul Jakma wrote:
> Where's the document to describe how to do multi-pathing using
> add-path? E.g. what should happen when there is a non-add-path
> capable neighbour?

In add-path, this is no different than receiving routes from directly
attached peers.  You should either do Internet-safe multipath or do the less
safe multipath knowing that you're in a position to cause problems.

Add-path doesn't really change the basic problem of multipath.

-- Jeff