UPnP Setup
Device Name : ZyXEL NBG-417N Internet Sharing Gateway
Enable the Universal Plug and Play (UPnP) Feature
  Allow users to make port forwarding changes through UPnP
1.For UPnP to function normally, the HTTP service must be available for LAN computers using UPnP.
2.For WPS to function normally, the UPnP service must be available.