[33774] in North American Network Operators' Group
Re: Tricky BGP into IGP Question
daemon@ATHENA.MIT.EDU (Paul Donner)
Wed Jan 24 01:49:19 2001
Message-Id: <4.1.20010124015127.022f5180@lint.cisco.com>
Date: Wed, 24 Jan 2001 01:51:43 -0500
To: Tim Wolfe <TimW@InfoGroupNW.com>
From: Paul Donner <pdonner@cisco.com>
Cc: nanog@merit.edu
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Errors-To: owner-nanog-outgoing@merit.edu
turn synch off.
make sure bgp next-hop is propagated (1->2a->2b/4->3).
do not redistribute BGP=>IGP.
At 03:26 PM 1/23/01 -0800, you wrote:
>
>
>What is the preferred way to get transit customers routing information into
>your IGP so that BGP will announce the route to it's neighbors.
>
>1===2a===2b====3
> |
> 4
>
>1 is the customer, announcing to 2a, who propogates 1's route to 2b and to
>4. 2b will not announce the route to 3 as it doesn't have a route in it's
>routing table for 1's route. I was thinking about redistributing bgp into
>my igp using a route-map based on as-path filter, but that seems somewhat
>kludgy. What are you all doing to accomplish this or am I just missing
>something here?
>
>Thanks,
>
>--Tim
>
>=============================================
> Timothy M. Wolfe CCNA, NSA
> Sr. Security Engineer tim@ignw.com
> InfoGroup Northwest 541.485.0957 x108
>=============================================
>
Paul G. Donner
Consulting Engineering
Office of the CTO
Internet Architecture
ciscoSystems, Inc.
