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IP Setup and Network Address Translation 9-53
Using Network Address Translation
The following procedure describes how to use Network Address Translation.
1. Pick a network number for your local network (referred to as the internal network). This can be any IP
address range you want. The Netopia R910 Router has a default IP address of 192.168.1.1. You may
choose to change this address to match a pre-existing addressing scheme. For this example, we will use
10.0.0.0.
Note: The outside world (the external network) will not see this network number.
2. Using the internal network number, assign addresses to the local nodes on your LAN. For example, you
could assign
■ 10.0.0.1 to your Netopia R910
■ 10.0.0.2 to a node running as a World Wide Web server
■ 10.0.0.3 to an FTP server
■ 10.0.0.4 to a Windows NT PC
■ 10.0.0.5 to a Windows 95 PC
Note: See “Associating port numbers with nodes” on page 9-55.
3. By default, Network Address Translation is enabled in the Netopia R910. If you disabled it and now want to
reenable it:
From the WAN Configuration menu in the Main Menu screen, select WAN (Wide Area Network) Setup.
The WAN Ethernet Configuration screen appears.
Toggle Address Translation Enabled to Yes or No (Yes to enable NAT) and press Return.
WAN Ethernet Configuration
Address Translation Enabled: Yes
Local WAN IP Address: 0.0.0.0
Filter Set...
Remove Filter Set
Receive RIP: Both
Set up the basic IP attributes of your Ethernet Module in this screen.