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Da Game: Dueling Laptops at 31,000 Feet

by Greg Chapman, MVP (retired)
Skill rating level 3.

Recently, I found myself in the company of a co-worker on the return leg of a business flight. In earlier times we had worked together and, during long software deployments in the middle of the night, we'd engage in some network gaming. Yes, you're not supposed to do that at work. But when you find yourself foolishly working until 9PM and still waiting on the development staff every night, you've got to do something to retain your humanity.

Well, here we were together once more and wishing we could fire up just one more game to settle the score…again. The problem is that a network is not typically amongst the high tech solutions available on a commercial airliner.

A few moments' thought between the two of us produced the answer, however. We decided to build a network right there and then. And unlike most other computer solutions, this solution would take only a few minutes to build. We'd still have almost 2 hours in which to take electronic aim at each other!!

Believe it or not, setting this up is so simple that we were able to manage the following steps despite an increasing blood/alcohol level (I had no idea that cranberry juice and vodka mixed could be so tasty!!).

Since we each had laptops with 802.11b Wireless Network cards and an installation of the same game, all we'd need to do was build a peer-to-peer wireless network between our machines. Sounds complicated, doesn't it? It isn't. Here's how with Windows XP (note that doing this sort of thing isn't limited to Windows XP. I simply have XP loaded).

To get started, you'll need to have your wireless network card installed and enabled. The manufacturer instructions for installing a wireless card are usually pretty clear so I won't waste your time repeating them here. Instead, we'll jump right to setting the card up to join a peer-to-peer net.

In the Control Panel, open the Network Connections panel then right click the icon representing your wireless connection and choose Properties.

When the Properties window opens, click on the Wireless Networks tab.

Click Advanced to begin configuring a wireless peer-to-peer network. On the Advanced dialog, make note of your current wireless network settings prior to choosing "Computer-to-computer (ad hoc) networks only".


Click Close and then select the General Tab of the Wireless Network Connection Properties dialog.

The last step is to add or configure a protocol for the card to use. I typically use TCP/IP as my default. Unfortunately, TCP/IP requires some care to configure, unlike NetBEUI or IPX/SPX, so we'll have to do a couple more steps before we can get our impromptu network up and running.

If your card already lists TCP/IP, double click it or else click Install and choose the TCP/IP protocol from the list. After double clicking TCP/IP, we should see the configuration information for the protocol. If you already had the protocol installed, be sure to write down the configuration information that is already there. When you tear down your peer-to-peer network, you'll use these settings to return your card to a state where it can work on its regular network.

Set the TCP/IP protocol settings so that your first machine uses the private IP address of 192.168.0.2 and the subnet mask to 255.255.255.0 as shown below.

Click OK until all the dialogs are closed. Go to the next machine that will participate in the network and choose a different IP Address for it (but use the same subnet mask!)

And there you go! Suddenly, the little Tx\Rx indicator lights on your net cards will be blinking like mad as they detect each other and begin exchanging information. Start your favorite network game and you're all set for salon style network gaming wherever you are!!

Um, just remember that when the flight attendant announces that it's time to put away all electronic devices in preparation for landing, that means you and your network, too! When was the last time someone actually asked you to make the network go down?!?!

 

 

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