[48901] in North American Network Operators' Group
Re: BGP communities usage for route origin, entry point
daemon@ATHENA.MIT.EDU (Jared Mauch)
Wed Jun 19 12:44:38 2002
Date: Wed, 19 Jun 2002 12:39:08 -0400
From: Jared Mauch <jared@puck.Nether.net>
To: Thomas Kernen <tkernen@deckpoint.ch>
Cc: nanog@merit.edu
In-Reply-To: <00eb01c21726$63d3dba0$6b014acc@wolford>
Errors-To: owner-nanog-outgoing@merit.edu
Many providers document their communities
on webpages:
eg:
http://info.us.bb.verio.net/routing.html#communities
http://cw-rr.cw.net/community_receive.htm
http://cw-rr.cw.net/community_announce.htm
you probally just need to find the uunet specific webpage
as it realtes to this.
- jared
On Tue, Jun 18, 2002 at 08:13:50PM -0400, Thomas Kernen wrote:
>
>
> This started off as me being curious as to why a UUNet engineer I was
> talking to told me he could not understand why a network would support a
> feature such as BGP communities for identifying the origin of a
> route/network entry point. I tried to explain to him the advantage of being
> able to quickly identify where a route originates from (geographically),
> type of interconnect, type of "peer" (in this case I use peer for any BGP
> peer, customer or transit). I explained that it could be usefull for
> debugging and gaining more background info (route analysis is one of my
> favorite tasks) and some of the major and minor networks do provide such a
> feature/service.
>
> Still the engineer could not understand why and only saw this as a security
> issue, well I guess when you work for a network that does not provide any
> public looking glass or route server it's not really a surprise </rant>
>
> This triggered a thought, do many people actually use BGP communities to
> pinpoint a route origination point/type, and if so for what purpose
> (debugging, analysis, other)
>
> Thomas
>
> PS: If UUNet do actually support this feature please tell me who I should
> contact.
--
Jared Mauch | pgp key available via finger from jared@puck.nether.net
clue++; | http://puck.nether.net/~jared/ My statements are only mine.
