Chapter 18 Universal
When a UPnP device joins a network, it announces its presence with a multicast message. For security reasons, the ZyXEL Device allows multicast messages only on the LAN.
All
You must have IIS (Internet Information Services) enabled on the Windows web server for UPnP to work.
18.2 UPnP and ZyXEL
ZyXEL has achieved UPnP certification from the Universal Plug and Play Forum UPnP™ Implementers Corp. (UIC). ZyXEL's UPnP implementation supports IGD 1.0 (Internet Gateway Device).
See the following sections for examples of installing and using UPnP.
18.2.1 Configuring UPnP
Click Advanced > UPnP to display the screen shown next.
See Section 18.1 on page 233 for more information.
Figure 145 Configuring UPnP
The following table describes the fields in this screen.
Table 96 Configuring UPnP
LABEL | DESCRIPTION |
Active the Universal Plug | Select this check box to activate UPnP. Be aware that anyone could |
and Play (UPnP) Feature | use a UPnP application to open the web configurator's login screen |
| without entering the ZyXEL Device's IP address (although you must still |
| enter the password to access the web configurator). |
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Allow users to make | Select this check box to allow |
configuration changes | automatically configure the ZyXEL Device so that they can |
through UPnP | communicate through the ZyXEL Device, for example by using NAT |
| traversal, UPnP applications automatically reserve a NAT forwarding |
| port in order to communicate with another UPnP enabled device; this |
| eliminates the need to manually configure port forwarding for the UPnP |
| enabled application. |
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