Draytek Vigor 2100 Series User Manual page 37

Click DMZ Host to open the following page:
Private IP
If you previously have set up WAN Alias in Internet Access>>PPPoE, you will find them in
Aux. WAN IP list for your selection.
Enable
Private IP
Choose PC
Vigor2100 Series User's Guide
If you choose Private IP as the selection for DMZ host, please
type in private IP or select any one by clicking the Choose PC
button.
Check to enable the DMZ Host function.
Enter the private IP address of the DMZ host, or click Choose PC to
select one.
Click this button and then a window will automatically pop up, as
depicted below. The window consists of a list of private IP addresses
of all hosts in your LAN network. Select one private IP address in
the list to be the DMZ host.
When you have selected one private IP from the above dialog, the IP
address will be shown on the following screen. Click OK to save the
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