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30 Chapter 3 AirPort Network Designs
 Enter Domain Name System (DNS) server addresses and a specific domain name your
wireless device accesses when you connect to the Internet.
7 Click the Network button and configure how the device will share its Internet access
with AirPort and Ethernet computers.
If you chose Ethernet from the Connect Using pop-up menu, choose how your device
will share the Internet connection from the Connection Sharing pop-up menu.
 To share a single Internet connection with AirPort computers and computers
connected to the device with Ethernet using DHCP and NAT, choose “Share a public
IP address” from the Connection Sharing pop-up menu. Using DHCP and NAT lets the
wireless device dynamically and automatically assign IP addresses to client
computers, which simplifies each computer’s TCP/IP configuration. See “Setting
DHCP and NAT Options” on page 31.
By default, the wireless device allows other devices, computers using Ethernet, and
computers using AirPort to communicate with each other using non-IP protocols like
AppleTalk. If you want to connect an AppleTalk Ethernet printer to the Apple wireless
device or use AppleTalk between wired and wireless computers, make sure the
devices are connected to the Ethernet LAN port (G) on the device.
 To distribute a range of IP addresses using only DHCP, choose “Distribute a range of
IP addresses.” See “Setting DHCP Only Options” on page 33.