[52646] in North American Network Operators' Group
Re: iBGP next hop and multi-access media
daemon@ATHENA.MIT.EDU (Ralph Doncaster)
Tue Oct 8 01:27:34 2002
Date: Tue, 8 Oct 2002 01:28:37 -0400 (EDT)
From: Ralph Doncaster <ralph@istop.com>
To: Clayton Fiske <clay@bloomcounty.org>
Cc: "nanog@merit.edu" <nanog@merit.edu>
In-Reply-To: <20021006204758.GA71120@bloomcounty.org>
Errors-To: owner-nanog-outgoing@merit.edu
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