User`s manual

VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
136
Edit One-to-One NAT (Network Address Translation)
One-to-One NAT maps a specific private/local IP address to a global/public IP address.
If you have multiple public/WAN IP addresses from your ISP, you are able to use the One-to-One NAT
facility to utilize these IP addresses.
NAT Type: Select desired NAT type. By default, the One-to-One NAT function is disabled.
Global IP Address:
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Subnet:
The subnet of the public/WAN IP address given by your ISP. If your ISP has provided
this information, you may insert it here. Otherwise, use IP Range method.
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 IP Range: The IP address range of your public/WAN IP addresses. For example, IP: 192.168.1.1,
end IP: 192.168.1.10
Select the Apply button to apply your changes.
Check to create a new One-to-One NAT rule: