nanog mailing list archives

Re: Service Providers behaviour for dual homed enterprises


From: Blake Hudson <blake () ispn net>
Date: Thu, 24 Sep 2015 11:22:53 -0500



Stephen Satchell wrote on 9/24/2015 11:00 AM:
On 09/24/2015 07:05 AM, Blake Hudson wrote:
However, the ultimate way to control routing would be to advertise more
specific prefixes via the path that you want traffic to flow.

Tried that, no joy.

I could only assume then that your peers were either not accepting your advertisements or there was an error in your configuration. All routers will choose the most specific route they have when performing destination based routing. This overrides how the route was installed (static, connected, dynamic) or any metrics considered within each routing protocol for its best path selection.


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