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AS path not optimal
- Subject: AS path not optimal
- From: dmiller at tiggee.com (David Miller)
- Date: Tue, 04 Mar 2014 00:37:37 -0500
- In-reply-to: <CAAtfGYgWn13hjH4VCyS5tpOWjAV=bf31o3SVnNGqzmJL+1un-A@mail.gmail.com>
- References: <CAAtfGYgWn13hjH4VCyS5tpOWjAV=bf31o3SVnNGqzmJL+1un-A@mail.gmail.com>
On 03/03/2014 10:16 PM, ku po wrote:
> One of my client has peering with nlayer and a provider from Asia. It seems
> from one major ISP in US, the best path is through this Asia provider,
> instead of through nlayer which we want it to be.
>
> It seems this major ISP does not have a direct peering with nlayer AS 4436
> is the cause of this problem.
>
> What is the best way to address this problem?
>
Add BGP communities to your client's announcements directing the Asia
provider to prepend their AS X times (whatever value of X works best for
you) on passing your client's prefixes to that major ISP in the US.
The Asia provider should be able to provide you a list of their BGP
control communities.
-DMM
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