Apple AirPort Networks manual Setting Dhcp and NAT Options

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ÂIf you don’t want your wireless device to share its IP address, choose “Off (Bridge Mode).” If you set up your device in bridge mode, AirPort computers have access to all services on the Ethernet network, and the device does not provide Internet sharing services. See “You’re Using an Existing Ethernet Network” on page 37 for more information about setting up your wireless device as a bridge.

Using the wireless device as a bridge can be a way to address incompatibilities between the device’s Internet sharing features and your ISP’s connection method.

Setting DHCP and NAT Options

If you chose “Share a public IP address” from the Connection Sharing pop-up menu, you can set DHCP and NAT options. Click DHCP.

ÂChoose a range of IP addresses from the DHCP Range pop-up menu. Choose 10.0, 192.168, or 172.16 and then enter a beginning and ending address in the DHCP Beginning Address and the DHCP Ending Address fields, depending on which addresses you want the wireless device to provide.

ÂEnter a number in the DHCP Lease field, and then choose minutes, hours, or days from the pop-up menu.

ÂType a welcome message in the DHCP Message field. This message is displayed when a computer joins your network.

ÂIf your network is set up to use a Lightweight Directory Access Protocol (LDAP) server on your network, you can enter the address of the server in the LDAP Server field, and computers on your network will have access to it.

Chapter 3 AirPort Network Designs

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Contents Apple AirPort Networks Contents Getting Started Getting Started Getting Started Extending the Range of Your AirPort Network Printing with an Apple Wireless DeviceSharing Your Computer’s Internet Connection Getting Started To start Internet sharing on a computer using Windows NAT Firewall Security for AirPort Networks at HomeClosed Network Security for AirPort Networks in Businesses and Classrooms Password Protection and EncryptionTransmitter Power Control MAC Address Access ControlRadius Support Wi-Fi Protected Access WPA and WPA2WPA and WPA2 Personal WPA and WPA2 Enterprise Configuring and Sharing Internet Access Setting Up the AirPort Extreme NetworkSetting Advanced Options Setting AirPort preferences Using AirPort UtilityTo set 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 Other Information Wireless Device SettingsChange the Device Password Give the Device a NameNaming the AirPort Extreme Network Wireless Network SettingsSetting the Wireless Mode Set Device OptionsPassword-protect Your Network Choosing the Radio ModeChanging the Channel Setting Wireless Options Use the Wireless Options pane to set the following Setting Additional Wireless OptionsSetting up a Guest Network Configuring and Sharing Internet AccessYou’re Using a DSL or Cable Modem How It Works What It Looks LikeWhat You Need for a DSL or Cable Modem Connection What to Do AirPort Network Designs AirPort Network Designs AirPort Network Designs AirPort Network Designs Setting Dhcp and NAT Options AirPort Network Designs Setting Up Client Computers Setting Dhcp Only OptionsTo configure TCP/IP on client computers using Mac OS X 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 NetworkUsing Wi-Fi Protected Access To help protect your network and wireless deviceKeeping Your Network Secure 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 To set up logging To set up a default hostLogging To set up Back to My Mac on your wireless device Using Back to My Mac on your Wireless NetworkTo set the time automatically To manually set IPv6 options Setting up IPv6To adjust IPv6 firewall settings Customizing the IPv6 firewallTo share a hard disk on your network Sharing and Securing USB Hard Disks on Your NetworkConnecting a USB Printer to an Apple Wireless Device Using a Time Capsule in Your NetworkTo use a printer on your network To allow client access to your network Adding a Wireless Client to Your 802.11n NetworkTo change the name of your USB printer On a computer using Mac OS Solving ProblemsOn a computer using Windows AirPort Utility Help More Information About AirPortWorld Wide Web IP Addresses How Information Reaches Its DestinationPackets and Traffic Hardware AddressesRules for Sending Information Protocols Using the AirPort Extreme Base StationBase Station Interfaces AirPort Express Interfaces Using the Time CapsuleUsing the AirPort Express Time Capsule InterfacesApple Wireless Device Functions Items That Can Cause Interference with AirPort Glossary Glossary Glossary Glossary Glossary Glossary Glossary Glossary