Subject: Re: NetBSD vs. RFC 1241
To: None <tech-net@NetBSD.ORG>
From: Matthias Scheler <>
List: tech-net
Date: 09/18/1997 12:11:10
In article <>,
	Dennis Ferguson <> writes:
> This isn't the same thing.

Are you sure about that?

> IP multicast uses IP protocol 4 encapsulation (i.e. IPPROTO_IPIP), as does
> IP mobility.

Because the Linux uses IPIP, from "linux/drivers/net/new_tunnel.c":

        iph->protocol           =       IPPROTO_IPIP;

> RFC 1241 is IP protocol 98 encapsulation (i.e. IPPROTO_ENCAP).

Or maybe the documentation of the Linux tunnel driver is wrong?

Anyway, what I need is IPIP what would conflict with the multicast
tunneling. :-(

Matthias Scheler