nanog mailing list archives
Re: Best practice for BGP session/ full routes for customer
From: Mark Tinka <mark.tinka () seacom mu>
Date: Fri, 18 Jul 2014 02:39:12 +0200
On Monday, July 14, 2014 07:32:43 PM Jeff Tantsura wrote:
Mark, BGP to RIB filtering (in any vendor implementation) is targeting RR which is not in the forwarding path, so thereĀ¹s no forwarding towards any destination filtered out from RIB. Using it selectively on a forwarding node is error prone and in case of incorrect configuration would result in blackholing.
As with every feature on a router, you need to know what you're doing to make it work. Don't blame the cows if you turn on knobs you have no business using, or don't care to learn the risks of. We use this feature in our network successfully, because we know what we're doing, and care to understand the risks. If I use it in a manner other than previously directed (while I know it's a use-case, I've never heard of any vendor saying it ONLY targeted out-of-path route reflectors, but then again, I don't generally walk vendor corridors for the scoop), well, welcome to the Internet; where core routers can either be behemoths that move air the size of a football field and could be mistaken for seismic detection machines, or last generation's x86 home desktop running Quagga and grandma's health app :-). Mark.
Attachment:
signature.asc
Description: This is a digitally signed message part.
Current thread:
- Best practice for BGP session/ full routes for customer Anurag Bhatia (Jul 07)
- Re: Best practice for BGP session/ full routes for customer Jason Lixfeld (Jul 07)
- Re: Best practice for BGP session/ full routes for customer Mark Tinka (Jul 08)
- Re: Best practice for BGP session/ full routes for customer Mark Tinka (Jul 08)
- Re: Best practice for BGP session/ full routes for customer Mark Tinka (Jul 08)
- Re: Best practice for BGP session/ full routes for customer Jeff Tantsura (Jul 14)
- Re: Best practice for BGP session/ full routes for customer Nick Hilliard (Jul 17)
- Re: Best practice for BGP session/ full routes for customer Mark Tinka (Jul 27)
- Re: Best practice for BGP session/ full routes for customer Mark Tinka (Jul 17)
- Re: Best practice for BGP session/ full routes for customer Anurag Bhatia (Jul 19)
- Re: Best practice for BGP session/ full routes for customer Jeff Tantsura (Jul 14)
- Re: Best practice for BGP session/ full routes for customer Jason Lixfeld (Jul 07)