[168533] in North American Network Operators' Group
RE: BGP multihoming with two address spaces
daemon@ATHENA.MIT.EDU (Adam Greene)
Wed Jan 29 09:21:08 2014
From: "Adam Greene" <maillist@webjogger.net>
To: <nanog@nanog.org>
In-Reply-To: <6021F051-9518-4191-BC87-46578707A5A1@breathe-underwater.com>
Date: Wed, 29 Jan 2014 09:20:32 -0500
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Perhaps L3 is preferring the routes it hears from TW over the ones it =
hears
from you. Perhaps there is a community string you can attach to your
announcements to one or both providers which can help you further =
manipulate
what they do with your routes ...
-----Original Message-----
From: Joseph Jenkins [mailto:joe@breathe-underwater.com]=20
Sent: Wednesday, January 29, 2014 7:45 AM
Cc: nanog@nanog.org
Subject: Re: BGP multihoming with two address spaces
I am announcing two separate /24s. 8.37.93.0 and 207.114.212.0.
Joe
On Jan 29, 2014, at 4:21 AM, Sasa Ristic <ristic.sasa@gmail.com> wrote:
> How are you announcing your address space now?
>=20
> On Wed, Jan 29, 2014 at 12:32 PM, Joseph Jenkins=20
> <joe@breathe-underwater.com> wrote:
>> I am seeking some feedback/help with my BGP configuration. I am =
peering
with two providers level3 and tw. Unfortunately all of my address =
spaces
are preferring the route over tw rather than level3. I have tried
Prepending my AS and the carriers AS to the path on the tw side and I =
see
those update being accepted by internet routers, but everyone is still
preferring to install the tw routes rather than level3. I was trying to
advertise each provider's address space out their connections and then =
use
the other for backup. Now however everything is coming in through tw =
and no
one seems to like level3.
>>=20
>>=20
>> Thanks in advance for any guidance or assistance.
>>=20
>> Joe
>>=20
>=20
>=20
>=20
> --
> Ristic Sasa
> --
> mob: +381652221123
> fax: +381618208488
> --
> Molim Vas da ne =B9tampate ovaj e-mail ukoliko Vam zaista nije =
potreban=20
> na papiru. Hvala!
>=20
