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Configuration Example |
Because NAT32 Version 2 will run on almost any Windows XP or higher system, here is a novel use for one of those Netbooks which were all the rage only a few years ago. The netbook in this example is an ASUS EeePC 701 4G. It is running Windows XP SP2 and is fitted with 3G USB adapter that is only used if the DSL connection(s) go down. The netbook connects to the private LAN via its LAN Port.
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The above configuration consists of a private network (192.168.178.0) behind one or two external routers, each of which has its own connection to the Internet. For example, each router might use a DSL, Cable or 3G Internet connection, and each such connection will generally have different connection characteristics. The two routers are directly connected and have the IP addresses 192.168.178.1 and 192.168.178.2.
NAT32 runs on the netbook and is configured to use the LAN adapter as an Internet interface, as well as the 3G adapter as a backup Internet interface. If the netbook's WLAN adapter has been switched to Host Access Point Mode, NAT32 can use that interface as its Private interface if desired.
Other mobile devices can then connect to NAT32 wirelessly and will have safe, non-stop Internet access, even during power failures. In this case, the Netbook continues to run on battery and Internet access switches automatically to the 3G adapter.
Additionally, any machine that uses NAT32's IP address as its gateway and DNS address will also enjoy, safe, ad-free access to the Internet.
Configuration Tips
- Configure the Windows TCP/IP protocol on the netbook's LAN Adapter to use a fixed IP address on the 192.168.178.0 network, and then set both the default gateway address and the DNS address to 192.168.178.1.
- Configure NAT32 to use the LAN Adapter as its main Internet adapter and specify both routers if desired.
- Configure NAT32 to also use the 3G Adapter, and specify that it is also an Internet adapter.
- Optional: Configure NAT32 to use the WLAN Adapter as a Private interface.
- Optional: Turn off the DHCP Server functionality in each external router and then enable the NAT32 DHCP Server functionality on the NAT32 Internet interface (see DHCPD for details).
- Reconfigure each of the other private machines either by rebooting them or running the commands ipconfig /release followed by ipconfig /renew in a Windows Console.
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