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Download ZyXEL ZyWALL 2 Plus User's Manual
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Table of Contents 21.14.2 SNMP Traps ......................................................................................................... 393 21.14.3 REMOTE MANAGEMENT: SNMP ....................................................................... 393 21.15 DNS ............................................................................................................................. 395 21.16 Introducing Vantage CNM ............................................................................................. 395 21.17 Configuring CNM ........................................................................................................... 396 21.17.1 Additional Configuration for Vantage CNM .......................................................... 397 Chapter 22 UPnP ...................................................................................................................................... 399 22.1 Universal Plug and Play Overview ................................................................................ 399 22.1.1 How Do I Know If I'm Using UPnP? ....................................................................... 399 22.1.2 NAT Traversal ........................................................................................................ 399 22.1.3 Cautions with UPnP ............................................................................................... 399 22.1.4 UPnP and ZyXEL ................................................................................................... 400 22.2 Configuring UPnP ............................................................................................................ 400 22.3 Displaying UPnP Port Mapping .................................................................................... 401 22.4 Installing UPnP in Windows Example .............................................................................. 402 22.4.1 Installing UPnP in Windows Me ............................................................................. 403 22.4.2 Installing UPnP in Windows XP ............................................................................. 404 22.5 Using UPnP in Windows XP Example ............................................................................. 404 22.5.1 Auto-discover Your UPnP-enabled Network Device .............................................. 405 22.5.2 Web Configurator Easy Access ............................................................................. 406 Chapter 23 Custom Application .............................................................................................................. 409 23.1 Custom Applicaton ......................................................................................................... 409 23.2 Custom Applicaton Configuration .................................................................................... 409 Chapter 24 ALG Screen ........................................................................................................................... 411 24.1 ALG Introduction ..............................................................................................................411 24.1.1 ALG and NAT ..........................................................................................................411 24.1.2 ALG and the Firewall ...............................................................................................411 24.2 FTP .................................................................................................................................. 412 24.3 H.323 ............................................................................................................................... 412 24.4 RTP .................................................................................................................................. 412 24.4.1 H.323 ALG Details ................................................................................................. 412 24.5 SIP ................................................................................................................................... 413 24.5.1 STUN ..................................................................................................................... 413 24.5.2 SIP ALG Details ..................................................................................................... 413 24.5.3 SIP Signaling Session Timeout .............................................................................. 414 24.5.4 SIP Audio Session Timeout .................................................................................... 414 24.6 ALG Screen ..................................................................................................................... 414 18 ZyWALL 2 Plus User’s Guide
