Subject: Re: mrouted and gif tunnels
To: Christian Kuhtz <>
From: None <>
List: tech-net
Date: 09/02/2000 10:40:38
>>	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.

	i understand /30 makes sense too, but that's not my point (/30
	interpretation falls into "cisco interpretation").

	look at what gated announces against p2p interface.  under gated
	interpretation, /32 meaning "source/32 + destination/32", they are
	handled separately.