port-mac68k: ip nat

Subject: ip nat
To: None <port-mac68k@NetBSD.ORG>
From: xiamin <root@scdesantis.ne.mediaone.net>
List: port-mac68k
Date: 07/20/1997 11:21:12

How do I get ipnat up and running?
Do I need to compile a new kernel first? I'm using Madhatter #40, and I 
tried to MAKEDEV ipf, and ipf was an unknown device. Is there a how-to 
guide on ip nat somehwere?
Xiamin