Re: Tricky BGP into IGP Question

[Anne Marcel <marcel () our domaintje com>]

Hi,

  First thing. Stay away from redistributing BGP into your IGP if you can
help it.

  Second thing. What are the routing relationships between the routers in
the picture below. Who talks to who using what protocol(s). To what
routing domain do the various routers belong.

- marcel

On Tue, 23 Jan 2001, Tim Wolfe 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?