ZyXEL Communications P-334WT Support Notes page 97

Device: PPPoE Dial-up Router
Service: NAT function provided by PPPoE Dial-up Router
Control Point: PC1
1. Enable UPnP function in ZyXEL device
Go to Advanced->UPnP, check two boxes, Enable PnP feature and Allow users to make...
The first check box enables UPnP function in this device.
The second check box allow users' application to change configuration in this device. For instance, if you enable this item, then user's MSN application can assign dynamic
port mapping to the router. So that network administrator don't need to setup SUA port mapping in the router.