Draytek Vigor2500V Manual page 51

Click DMZ Host Setup to open the setup page, as shown below. The DMZ
Host setting allows a defined internal user to be exposed to the Internet in
order to use some special-IP-Protocol applications such as Netmeeting or
Internet Games etc. Each item in the setup page is described below.
Enable: Check to enable the DMZ Host function.
Private IP: Enter the private IP address of the DMZ host.
Choose PC: Click this button and then a window consisting of a list of
private IP addresses of all hosts in your LAN network will
automatically pop up. Select one private IP address in the
list to be the DMZ host.
NAT
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