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Configuration and Management

4.7 NAT

The Network Address Translation (NAT) service provides the LAN devices

with Internet access. All communication from the LAN to the Internet

appears to come from the IP address of the Ericsson W25. In this way,

details about the local devices remain private and it is not possible to

access a local device directly from the Internet.

Figure 28 NAT page

4.7.1 UPnP IGD

The Ericsson W25 supports the Universal Plug and Play (UPnP) Internet

Gateway Device (IGD) standard. UPnP IGD is used to provide automatic

port forwarding allowing communication between certain Internet

applications and the local network. When UPnP IGD is enabled, programs

like MSN Messenger

and most network enabled games are allowed to

pass the NAT service.

To disable UPnP IGD, clear the

Enable UPnP IGD check box on the NAT T

page and click Apply .

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Ericsson W25 Guía de usuario Pagina 43