iBGP next hop and multi-access media

Tue Oct 8 05:28:37 UTC 2002

On Sun, 6 Oct 2002, Clayton Fiske wrote:
>
> On Sun, Oct 06, 2002 at 04:25:00PM -0400, Ralph Doncaster wrote:
> > 
> > A and B are connected via the same multi-access media.  It is technically
> > possible for B to tell A "you can reach 172.16.16.0/24 on the same media
> > that you receive this update on".  However what people seem to be saying
> > is that there is no dynamic routing protocol that implements this.
> 
> There are two solutions to your dilemma:
> 
> - Route via B
> 
> - Add A to 172.16.16.0/24
> 
> It's not a matter of dynamic routing, it's just the way subnets work.
> If you want all the hosts to be able to talk to each other directly,
> put them all on the same subnet.

It seems I'm not the only idiot asking these types of questions.
I found there's a whole RFC about it. http://www.ietf.org/rfc/rfc1433.txt

-Ralph