Setting Up an AirPort Base Station
Setting up an AirPort Base Station is slightly different depending on the type of Base Station you use: the AirPort Hardware Access Point or an AirPort-equipped Mac OS X machine that provides Internet sharing.
The benefit of using an AirPort Hardware Access Point is that it doesn't place any processing load on an individual Mac. And it is intended to run at all times so that the AirPort network is always available. It also provides the ability to share an Internet connection with devices to which it is networked using an Ethernet connection. The disadvantage of this device is its cost (currently $299 direct from Apple). If you are going to be using an AirPort network regularly to serve more than one or two machines, ...
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