Chapter 17 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 on the LAN only.
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UPnP and ZyXEL
ZyXEL has achieved UPnP certification from the Universal Plug and Play Forum UPnP™ Implementers Corp. (UIC). ZyXEL's UPnP implementation supports Internet Gateway Device (IGD) 1.0.
See the following sections for examples of installing and using UPnP.
17.2 The UPnP Screen
Use the following screen to configure the UPnP settings on your ZyXEL Device. Click Access Management > UPnP to display the screen shown next.
Figure 52 Access Management > UPnP
The following table describes the fields in this screen.
Table 38 Access Management > UPnP
LABEL | DESCRIPTION |
UPnP | Use this field to enable or disable UPnP. Be aware that anyone could |
| 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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Use this field to allow or disable | |
| automatically configure the ZyXEL Device so that they can |
| 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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SAVE | Click this to save your changes. |
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