As I understand it, it is a tool for basic (unencrypted) IP tunneling, with
the benefit of being able to handle both IPv4 and IPv6 tunneling.  Here's a
(NetBSD)man page for it:

http://www.daemon-systems.org/man/gif.4.html

-Matt

-----Original Message-----
From: sai [mailto:sonicsai at gmail dot com] 
Sent: Friday, August 12, 2005 10:50 PM
To: Matt Towers
Cc: m0n0wall at lists dot m0n0 dot ch
Subject: Re: gif tunneling

what is gif tunneling?  http://www.seattlewireless.net/index.cgi/IpTunnel 

On 8/12/05, Matt Towers <matt at mountainpilot dot net> wrote:
> Hello,
>     I've been using m0n0wall for a little over a year now to run my 
> node for my seattlewireless.net node and am trying to set up some 
> tunneling with other nodes.  I've looked at IPSec tunneling, but the 
> preferred method of tunneling for them is GIF.  Does anyone know if 
> there's a way to set up a plain ol' GIF tunnel with m0n0?
>  
> Thanks!
>  
> -Matt
> www.centraldistrict.net
>  
> 
>