Subject: Re: IPv4 tunnel over IPv4
To: Jukka Marin <firstname.lastname@example.org>
From: None <email@example.com>
Date: 02/07/2001 19:25:42
>I need to set up an IPv4 tunnel over an IPv4 connection to connect two
>subnets together. How do I do this with IPsec? I have NetBSD 1.5
>(-current) machines at both ends of the connection.
if you just want tunnelling (not with ipsec) gif(4) should help.
for ipsec tunnels:
>Is it possible to configure the NetBSD boxes as firewalls while they
>are doing the tunneling?
not with 1.5. http://www.netbsd.org/Documentation/network/ipsec/
has some caveat documented in it.