[169570] in North American Network Operators' Group
Re: AS path not optimal
daemon@ATHENA.MIT.EDU (joel jaeggli)
Tue Mar 4 02:29:04 2014
Date: Tue, 04 Mar 2014 07:28:38 +0000
From: joel jaeggli <joelja@bogus.com>
To: ku po <cciehelps@gmail.com>, NANOG <nanog@nanog.org>
In-Reply-To: <CAAtfGYgWn13hjH4VCyS5tpOWjAV=bf31o3SVnNGqzmJL+1un-A@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On 3/4/14, 3:16 AM, ku po wrote:
> One of my client has peering with nlayer and a provider from Asia. It s=
eems
> from one major ISP in US, the best path is through this Asia provider,=
> instead of through nlayer which we want it to be.
>=20
> It seems this major ISP does not have a direct peering with nlayer AS 4=
436
> is the cause of this problem.
>=20
> What is the best way to address this problem?
For exit selection, tag the routes you want to influence with a
community and then apply a higher localpref to routes from that community=
=2E
if inbound is also coming from asia you should explore prepending
towards that provider via provider communities or in your advertisement
directly (the later obviously is gross)
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