Thanks everyone for insightful answers!
On Fri, Jul 18, 2014 at 6:09 AM, Mark Tinka <mark.ti...@seacom.mu> wrote: > 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. > -- Anurag Bhatia anuragbhatia.com Linkedin <http://in.linkedin.com/in/anuragbhatia21> | Twitter <https://twitter.com/anurag_bhatia> Skype: anuragbhatia.com PGP Key Fingerprint: 3115 677D 2E94 B696 651B 870C C06D D524 245E 58E2