On Tue, Oct 09, 2001 at 01:38:10PM -0700, Leo Clark wrote:
> We each have our own DSL lines and nat gateways to share the connection
> between the various boxes on our networks.
> We are useing three subnets. One for my house, one for the wireless
> network, and one for my friend's house.
A little diagram, for my own clarity
ISP------NET------ISP
| |
net0-nat0 nat1-net1
| |
wigate0--------winet--------wigate1
net0 - 10.0.0.0/24
net1 - 192.168.1.0/24
# hypothetical
winet - 172.16.0.0/24
wigate0 - 10.0.0.101/32 && 172.16.0.1/32
wigate1 - 192.168.1.101/32 && 172.16.0.2/32
> We got all his routes set properly and his OpenBSD wireless gateway seamed
> great too. Until we tried to route packets through it. It refuses to
> pass anything though it. I have it sitting on both networks and talking
> on them fine. It can see and talk with the other wireless gateway box,
> and it can talk through that one to get to my network. It can also use
> the wired nic to get to anything on my friends network. The wireless
> laptop also talks just fine with it. But no one can use it as a gateway,
> if I set the laptop to use it as it's default route I can't see
> anything. If I try to access 192.168.0/24 (my friends subnet) from my
> subnet (10.0.0/24) my packets get stuck in his wireless gateway. If one
> of his boxes try to ping my wireless gateway, or even a wireless laptop in
> range, the packets get stoped at the wireless gateway box.
You see packets arriving at wigate1 with tcpdump, but no forwarding,
correct?
> I checked sysctl.conf and use the sysctl command to set
> net.inet.ip.forwarding=1 but still not avail. It can talk on both
> networks just fine. I don't have IPF running nor do I want it to right
> now. I would like to just get it up before playing with security and
> breaking it again.
I assume no NAT either?
> The routing tables are correct, and everything looks right. Is there
> something I missed? Is there something else in OpenBSD (i'm running 2.9
> release BTW) that could stop this from working? I have a fairly plain
> install. Basicly all I did from first boot was to add the extra routes,
> add some users, modify sysctl.conf, and fix up the hosts file.
should just need net.inet.ip.forwarding=1 and the routes
> I can't understand what I did diffrent on my box that makes it work that
> could be diffrent then his. I'm really at a loss here. I would aprechate
> any ideas. Thanks!
Perhaps something with /etc/mygate in wigate1? That's just a wild
guess. Have you actually tried diffing /etc on the machines to see if
perhaps you made some kind of typo (since all you'll see is what you've
changed)?
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