Subject: Re: Setting up ipnat with NetBSD and OSX
To: Ian P. Thomas <firstname.lastname@example.org>
From: Andrew Gillham <email@example.com>
Date: 12/28/2001 14:33:52
On Fri, Dec 28, 2001 at 04:51:13PM -0500, Ian P. Thomas wrote:
> I've been trying to get my OSX box to connect to the internet using my
> NetBSD box. I've read through the documentation in the Basic NetBSD
> Networking, but I'm still not able to connect to the web from OSX.
> Here are the three rules for ipnat.conf
> # IP Network Address Translation rules
> map ppp0 192.168.3.1/24 -> 0/32 proxy port ftp ftp/tcp
> map ppp0 192.168.3.1/24 -> 0/32 portmap tcp/udp 40000:60000
> map ppp0 192.168.3.1/24 -> 0/32
> I have my NetBSD box listed as the router with OSX. Its IP is
> 192.168.3.1. The OSX box IP is 192.168.3.2. I can ping either box and ssh
> into each box from the other. On my OSX box, however, I get no route to
> host whenever I try to ping, traceroute, or do anything beyond the NetBSD
> box. Any hints on what might be wrong? I'm new to networking so if there
> are any more links out there, let me know.
Do you have ip forwarding turned on?
If it is set to '0' you need to enable it:
sysctl -w net.inet.ip.forwarding=1
If this is not the problem, then forward the output of 'netstat -nr' on
your NetBSD box, the output of 'ipnat -l', 'ifconfig -a', and how about
'netstat -nr' on the Mac also?