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Prestige 660RU-Tx Series User’s Guide
Chapter 11 Universal Plug-and-Play (UPnP)
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C
H A P T E R
11
Universal Plug-and-Play (UPnP)
This chapter introduces the UPnP feature in the web configurator.
11.1 Introducing Universal Plug and Play
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.
11.1.1 How do I know if I'm using UPnP?
UPnP hardware is identified as an icon in the Network Connections folder (Windows XP).
Each UPnP compatible device installed on your network will appear as a separate icon.
Selecting the icon of a UPnP device will allow you to access the information and properties of
that device.
11.1.2 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. NAT traversal allows the following:
• Dynamic port mapping
• Learning public IP addresses
• Assigning lease times to mappings
Windows Messenger is an example of an application that supports NAT traversal and UPnP.
See the
Network Address Translation (NAT) Screens
chapter for further information about
NAT.
11.1.3 Cautions with UPnP
The automated nature of NAT traversal applications in establishing their own services and
opening firewall ports may present network security issues. Network information and
configuration may also be obtained and modified by users in some network environments.
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Страница 38: ...Prestige 660RU Tx Series User s Guide 37 Chapter 1 Getting To Know Your Prestige ...
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Страница 124: ...Prestige 660RU Tx Series User s Guide 123 Chapter 13 Introducing the SMT ...
Страница 128: ...Prestige 660RU Tx Series User s Guide 127 Chapter 14 Menu 1 General Setup ...
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Страница 158: ...Prestige 660RU Tx Series User s Guide 157 Chapter 19 Static Route Setup ...
Страница 162: ...Prestige 660RU Tx Series User s Guide 161 Chapter 20 Bridging Setup ...
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Страница 206: ...Prestige 660RU Tx Series User s Guide 205 Chapter 24 System Information and Diagnosis ...
Страница 218: ...Prestige 660RU Tx Series User s Guide 217 Chapter 25 Firmware and Configuration File Maintenance ...
Страница 224: ...Prestige 660RU Tx Series User s Guide 223 Chapter 26 System Maintenance ...
Страница 228: ...Prestige 660RU Tx Series User s Guide 227 Chapter 27 Remote Management ...
Страница 238: ...Prestige 660RU Tx Series User s Guide 237 Chapter 28 IP Policy Routing ...
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Страница 260: ...Prestige 660RU Tx Series User s Guide 259 Appendix B ...
Страница 268: ...Prestige 660RU Tx Series User s Guide 267 Appendix C ...
Страница 272: ...Prestige 660RU Tx Series User s Guide 271 Appendix E ...
Страница 274: ...Prestige 660RU Tx Series User s Guide 273 Appendix F ...
Страница 280: ...Prestige 660RU Tx Series User s Guide 279 Appendix G ...