Network Address Translation allows multiple users to access the Internet, while
sharing only one public IP.
Select Enable and click Save Settings.
After saving the settings, the router opens the Address Mapping page
so that you can continue configuring your wireless security. The NAT menu provides the following options:
Address Mapping—Lets multiple devices share a single public IP address.
Virtual Server—Lets you combine public IP addresses and private IP addresses on the same LAN.