Subject: RE: mrouted and gif tunnels
To: , <thorpej@zembu.com>
From: Christian Kuhtz <ck@arch.bellsouth.net>
List: tech-net
Date: 09/01/2000 16:30:45
>	another reason for this is, that "netmask" on p2p interface is not
> 	very meaningful.  we can have couple of interpretation about it,
> 	and there's no single consensus on it, I believe....
>
> 	BSD kernel and gated interpretation: p2p interfaces are /32 (or /128),
> 		netmask does not really matter
> 	cisco (and zebra) interpretation: use netmask on p2p interface
> 		(but then the question is what if the destionation address
> 		is outside of the configured prefix?)
>
> 	does it help if you set netmask on p2p (gif) to /32?

Woah, p2p ifaces are /30's, loopback are /32's.  /32 p2p while cute are
seriously broken logic.  Use unnumbered instead.

--
Christian Kuhtz, Sr. Network Architect              Architecture, BellSouth.net
<ck@arch.bellsouth.net> -wk, <ck@gnu.org> -hm                       Atlanta, GA
                                                    "Speaking for myself only."