[178844] in North American Network Operators' Group
Re: distinguishing eBGP from show ip BGP
daemon@ATHENA.MIT.EDU (Mark Tinka)
Wed Mar 11 15:01:39 2015
X-Original-To: nanog@nanog.org
Date: Wed, 11 Mar 2015 20:59:39 +0200
From: Mark Tinka <mark.tinka@seacom.mu>
To: nanog@nanog.org
In-Reply-To: <20150311185132.GD18808@puck.nether.net>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 11/Mar/15 20:51, Jared Mauch wrote:
>
> NTT (2914) tags routes based on if they are a customer, peer
> and with geographic communities based on where the route enters our
> network. Many networks perform similar techniques and you can find
> details at various websites or this one:
>
> http://www.onesc.net/communities/
>
> You will likely get far more accurate data.
The trick with relying on BGP communities to map routing data is that
their propagation between AS's is not always guaranteed.
Mark.
