DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
5.Click Apply to save your settings.
Note: You can also set up the traffic meter for the Ethernet ISP, if desired, at this time. See “Programming the Traffic Meter” on page
Configuring the WAN Mode
The WAN ports of the ProSafe Wireless ADSL Modem VPN Firewall Router can be configured for NAT or Classical Routing. You must select one of
•NAT. NAT is the technology which allows all PCs on your LAN to share a single Internet IP address. From the Internet, there is only a single device (the Router) and a single IP address. PCs on your LAN can use any private IP address range, and these IP addresses are not visible from the Internet.The Router uses NAT to select the correct PC (on your LAN) to receive any incoming data.
Note: If you only have a single Internet IP address, you MUST use NAT.
•Classical Routing. In this mode, the Router performs Routing, but without NAT. To gain Internet access, each PC on your LAN must have a valid Internet IP address.
If your ISP has allocated many IP addresses to you, and you have assigned one of these addresses to each PC, you can choose Classical Routing. Or, you can use Classical Routing for routing private IP addresses within a campus environment. Otherwise, selecting this method will not allow Internet access through this Router.
Depending on the WAN port configuration of the ProSafe DGFV338, you can select one of two options:
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Basic Installation and Configuration |