Downstream Usage-BGP Communites

2011-05-10 Thread Nick Olsen
Greetings NANOG, Was hoping to gain some insight into common practice with using BGP Communities downstream. For instance: We peer with AS100 (example) AS100 peers with TW Telecom (AS4323). Since I happen to know that AS100 doesn't sanitize the communities I send with my routes. I can take

Re: Downstream Usage-BGP Communites

2011-05-10 Thread Michael Hallgren
Le mardi 10 mai 2011 à 17:52 -0400, Nick Olsen a écrit : Greetings NANOG, Was hoping to gain some insight into common practice with using BGP Communities downstream. For instance: We peer with AS100 (example) AS100 peers with TW Telecom (AS4323). Since I happen to know that AS100 doesn't

Re: Downstream Usage-BGP Communites

2011-05-10 Thread Richard A Steenbergen
On Tue, May 10, 2011 at 05:52:39PM -0400, Nick Olsen wrote: Greetings NANOG, Was hoping to gain some insight into common practice with using BGP Communities downstream. For instance: We peer with AS100 (example) AS100 peers with TW Telecom (AS4323). Since I happen to know that AS100

Re: Downstream Usage-BGP Communites

2011-05-10 Thread Justin M. Streiner
On Tue, 10 May 2011, Nick Olsen wrote: Was hoping to gain some insight into common practice with using BGP Communities downstream. Generally, the transitive BGP attribute you have the most direct control over is AS_PATH, though it's not impossible for a provider to munge the AS_PATH on

Re: Downstream Usage-BGP Communites

2011-05-10 Thread Nick Olsen
: Downstream Usage-BGP Communites On Tue, May 10, 2011 at 05:52:39PM -0400, Nick Olsen wrote: Greetings NANOG, Was hoping to gain some insight into common practice with using BGP Communities downstream. For instance: We peer with AS100 (example) AS100 peers with TW Telecom (AS4323). Since I

Re: Downstream Usage-BGP Communites

2011-05-10 Thread Richard A Steenbergen
On Tue, May 10, 2011 at 06:47:11PM -0400, Nick Olsen wrote: Ah, Sorry for the confusion. We have a mutual agreement with AS100 (call it transit or peering) we send them full routes, They send us full routes. AS100 is a transit customer of AS4323. I understand I would be at the mercy of how