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Chapter 3 AirPort Network Designs 37
You’re Using an Existing Ethernet Network
You can use AirPort Utility to easily set up the Apple wireless device for Internet access
through an existing Ethernet network that already has a router, switch, or other
network device providing IP addresses. Use the manual setup features of AirPort Utility
if you need to adjust optional advanced settings.
What It Looks Like
How It Works
 The Apple wireless device (in this example, a Time Capsule) uses your Ethernet
network to communicate with the Internet through the Ethernet WAN port (<).
 AirPort and Ethernet clients access the Internet and the Ethernet network through
the Apple wireless device.
What You Need for an Ethernet Connection
Router
to Internet
to Ethernet port
Time Capsule
Ethernet WAN port
<
2.4 or 5 GHz
Components Comments
Apple wireless device (an AirPort
Extreme Base Station, an AirPort
Express, or a Time Capsule)
Set the device up in bridge
mode.
Ethernet router, switch, or other
network device
The router, switch, or other
network device is set up to
provide IP addresses to
computers and devices on the
Ethernet network.
Ethernet cables