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Sharing the Connection 3-19
Configuring TCP/IP on Macintosh Computers
The following is a quick guide to configuring TCP/IP for MacOS computers. Configuring TCP/IP in a Macintosh
computer requires the following:
■ You must have either Open Transport or Classic Networking (MacTCP) installed.
Note: If you want to use the Dynamic Host Configuration Protocol (DHCP) server built into your Netopia
4553 to assign IP addresses to your Macintoshes, you must be running Open Transport, standard in
MacOS 8 and optional in earlier system versions. You can have your Netopia 4553 dynamically assign IP
addresses using MacTCP; however, to do so requires that the optional AppleTalk kit be installed which can
only be done after the router is configured.
■ You must have built-in Ethernet or a third-party Ethernet card and its associated drivers installed in your
Macintosh.
Dynamic configuration (recommended)
The Dynamic Host Configuration Protocol (DHCP), which enables dynamic addressing, is enabled by default in
the router. To configure your Macintosh computer for dynamic addressing do the following:
Note: You can also use these instructions to configure other computers on your network to accept IP addresses
served by the Netopia 4553.
1. Go to the Apple menu. Select Control Panels and then
TCP/IP.
2. With the TCP/IP window open, go to the Edit menu and
select User Mode. Choose Basic and click OK.
3. In the TCP/IP window, select “Connect via: Ethernet” and
“Configure: Using DHCP Server.”