Ok.....Here goes nothing. If you have trouble. Then read the instructions that come w/ gNAT. This is a more detailed instruction set. I will probably modify these and post them as a PDF some time. Maybe this weekend if I get a chance. It will be on
Will Clarkson.com. I may get it done on Sunday or Monday
1. I went into the terminal. I said "sudo -s", and entered the root password.
2. "pico /etc/hostconfig"
3. Go down to IPFORWARDING=-NO-. Change it to say -YES-
4. Go to System Preference -> Network. Give Airport Card an IP of 10.0.2.1. And a subnet mask of 255.255.255.128. These numbers are arbitrary as long as they are 10.0.X.X or 192.168.X.X. I got these to work, so I suggest using them. Leave all other settings alone.
5. Create A computer to computer network on the server (I named mine "home"). Just give it a name. No password or anything. Its not as secure, but it will work easier. (at least in my experience).
6. Then, Go back to system preferences. It should automatically have airport selected. Then click the airport tab. Set the preferred network to the one you just created (i.e. home). Leave the password blank. And hit apply.
7. Then on your laptop. Go To system preferences. Give the airport card an IP of 10.0.2.5. And a subnet mask of 255.255.255.128. Then a router address of 10.0.2.1.
7b. In OS 9. I am given a Name Server address from my ISP (Road Runner). It does not show up in OS X's network preferences for some reason. So I suggest booting in OS 9 to get these settings. Then reboot in X and plug them in to your laptops airport settings. Do this only for Domain Name severs and Search Domains. Not for IP or Subnet mask or router.
8. Download gNAT from Apple.com
Click Here to Download gNAT
9. Then. Open gNAT. Insert subnet mask as 255.255.255.128. And IP as 10.0.2.1.
10.
**** These settings may differ from yours **** See gNAT help for exact settings.
Select the first 3 settings. Make sure they are checked. Then, Select External Network Interface as Ethernet Card (if you are on a cable modem). And for Internal, Selce Airport Card. I have an IP assigned to me. So, I check the Dynamic IP Binding. I also select the "Load on Startup" setting because I want it to share everytime I start my computer.
11. Click start sharing. This will set the startup setting to share.
12. Reboot both computers. In the boot panel for the server you should see "Network Address Translation". This is the UNIX name for Internet Sharing.
13. Once rebooted. Make sure each computer is connected to the Airport Computer to Computer Network and has the s (home). On the server, open the terminal. Type "ping 10.0.2.5". In about 5 seconds you should see text displaying that it see's the other computer. This is exactly what you want. Close the terminal (click to close anyway, otherwise it will ping forever).
14. Open gNAT. Make sure all of the settings are correct, and that it has the connection being shared.
15. On Laptop, ping the server by typing "ping 10.0.2.1". This should display text similar to that we saw before. Close the terminal
16. Double check all settings. Make sure computer to computer connection is up. And then open IE on the laptop. It should have the connection shared.
17. Enjoy!!!
I hope this helps all of you in the future. Your actual settings may vary. This is what worked for me, so they should work for you as well.
Good Luck!!!
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