Apple AirPort Networks manual Getting Started

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You can set up an Apple wireless device and connect to the Internet wirelessly in minutes. But because Apple wireless devices are flexible and powerful networking products, you can also create an AirPort network that does much more. If you want to design an AirPort network that provides Internet access to non-AirPort computers via Ethernet, or take advantage of some of your wireless device’s more advanced features, use this document to design and implement your network. You can find more general wireless networking information and an overview of AirPort technology in the earlier AirPort documents, located at www.apple.com/support/manuals/airport.

Note: The images of AirPort Utility in this document are from Mac OS X v10.5. If you’re using a Windows computer, the images you see in this document may be slightly different from what you see on your screen.

Configuring an Apple Wireless Device for Internet Access Using AirPort Utility

Like your computer, Apple wireless devices must be set up with the appropriate hardware and IP networking information to connect to the Internet. Install

AirPort Utility, which came on the CD with your wireless device, and use it to provide Internet configuration information and other network settings.

AirPort Utility combines the ease of use of AirPort Setup Assistant and the power of AirPort Admin Utility. It is installed in the Utilities folder in the Applications folder on a Macintosh computer using Mac OS X, and in Start > All Programs > AirPort on computers using Windows. AirPort Utility walks you through the setup process by asking a series of questions to determine how the device’s Internet connection and other interfaces should be set up. Enter the settings you received from your ISP or network administrator for Ethernet, PPP over Ethernet (PPPoE), or your local area network (LAN); give your AirPort network a name and password; set up a device as a wireless bridge to extend the range of your existing AirPort network; and set other options.

When you’ve finished entering the settings, AirPort Utility transfers the settings to your wireless device. Then it connects to the Internet and shares its Internet connection with computers that join its AirPort network.

You can also create an AirPort network that takes advantage of the more advanced networking features of Apple wireless devices. To set more advanced AirPort options, use AirPort Utility to manually set up your wireless device’s configuration, or make quick adjustments to one you’ve already set up. Some of the AirPort advanced networking features can be configured only using the manual setup features in AirPort Utility.

Chapter 1 Getting Started

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Contents Apple AirPort Networks Contents Getting Started Getting Started Getting Started Sharing Your Computer’s Internet Connection Printing with an Apple Wireless DeviceExtending the Range of Your AirPort Network Getting Started To start Internet sharing on a computer using Windows Closed Network Security for AirPort Networks at HomeNAT Firewall Transmitter Power Control Password Protection and EncryptionMAC Address Access Control Security for AirPort Networks in Businesses and ClassroomsRadius Support Wi-Fi Protected Access WPA and WPA2WPA and WPA2 Personal WPA and WPA2 Enterprise Setting Advanced Options Setting Up the AirPort Extreme NetworkConfiguring and Sharing Internet Access To set AirPort preferences Using AirPort UtilitySetting AirPort preferences If you don’t see your wireless device in the list To set up your wireless device manuallyIf you can’t open the wireless device settings Setting Up the AirPort Extreme NetworkAirPort Network Designs Change the Device Password Wireless Device SettingsGive the Device a Name Other InformationSetting the Wireless Mode Wireless Network SettingsSet Device Options Naming the AirPort Extreme NetworkChanging the Channel Choosing the Radio ModePassword-protect Your Network Setting Wireless Options Use the Wireless Options pane to set the following Setting Additional Wireless OptionsYou’re Using a DSL or Cable Modem Configuring and Sharing Internet AccessSetting up a Guest Network What You Need for a DSL or Cable Modem Connection What It Looks LikeHow It Works What to Do AirPort Network Designs AirPort Network Designs AirPort Network Designs AirPort Network Designs Setting Dhcp and NAT Options AirPort Network Designs To configure TCP/IP on client computers using Mac OS X Setting Dhcp Only OptionsSetting Up Client Computers Next, choose Dhcp from the Configure IPv4 pop-up menu To configure TCP/IP on client computers To configure TCP/IP on client computers using WindowsAirPort Network Designs What You Need for an Ethernet Connection You’re Using an Existing Ethernet NetworkWhat to Do AirPort Network Designs AirPort Extreme Ethernet WAN port Time Capsule Setting Advanced Options To set up roaming Setting Up RoamingTo extend the range of an 802.11n network Extending the Range of an 802.11n NetworkTo shorten the range of your AirPort network Controlling the Range of Your AirPort NetworkKeeping Your Network Secure To help protect your network and wireless deviceUsing Wi-Fi Protected Access To set up a WPA or WPA2 Personal network To set up a WPA or WPA2 Enterprise networkTo set up the access control list Setting Up Access ControlTo set up authentication using a Radius server Using a Radius ServerAirPort Network Designs To set up inbound port mapping Logging To set up a default hostTo set up logging To set the time automatically Using Back to My Mac on your Wireless NetworkTo set up Back to My Mac on your wireless device To adjust IPv6 firewall settings Setting up IPv6Customizing the IPv6 firewall To manually set IPv6 optionsTo share a hard disk on your network Sharing and Securing USB Hard Disks on Your NetworkTo use a printer on your network Using a Time Capsule in Your NetworkConnecting a USB Printer to an Apple Wireless Device To change the name of your USB printer Adding a Wireless Client to Your 802.11n NetworkTo allow client access to your network On a computer using Windows Solving ProblemsOn a computer using Mac OS World Wide Web More Information About AirPortAirPort Utility Help Packets and Traffic How Information Reaches Its DestinationHardware Addresses IP AddressesBase Station Interfaces Using the AirPort Extreme Base StationRules for Sending Information Protocols Using the AirPort Express Using the Time CapsuleTime Capsule Interfaces AirPort Express InterfacesApple Wireless Device Functions Items That Can Cause Interference with AirPort Glossary Glossary Glossary Glossary Glossary Glossary Glossary Glossary
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