Avaya Business Secure Router 252 Configuration - Basics Manual de usuario descargar pdf (Pagina 361)

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Nortel Business Secure Router 252 Configuration — Basics

Chapter 19

UPnP

This chapter introduces the Universal Plug and Play feature.

Universal Plug and Play overview

Universal Plug and Play (UPnP) is a distributed, open networking standard that

uses TCP/IP for simple peer-to-peer network connectivity between devices. A

UPnP device can dynamically join a network, obtain an IP address, convey its

capabilities, and learn about other devices on the network. In turn, a device can

leave a network smoothly and automatically when it is no longer in use.

How do I know if I am using UPnP?

UPnP hardware is identified as an icon in the Network Connections folder

(Windows XP). Each UPnP compatible device installed on your network appears

as a separate icon. By selecting the icon of a UPnP device, you can access the

information and properties of that device.

NAT Traversal

UPnP NAT traversal automates the process of allowing an application to operate

through NAT. UPnP network devices can automatically configure network

addressing, announce their presence in the network to other UPnP devices, and

enable exchange of simple product and service descriptions. With NAT traversal,

the device can do the following:

• Dynamic port mapping

• Learning public IP addresses

• Assigning lease times to mappings

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