Re: AS path not optimal

[David Miller <dmiller () tiggee 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

Attachment: signature.asc
Description: OpenPGP digital signature