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ZyXEL Communications NBG420N User Manual
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ZyXEL Communications NBG420N User Manual

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NBG420N
Wireless N Router
User's Guide
Version 3.60
3/2008
Edition 1
DEFAULT LOGIN
IP Address http://192.168.1.1
Password
1234
www.zyxel.com

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Summary of Contents for ZyXEL Communications NBG420N

  • Page 1 NBG420N Wireless N Router User’s Guide Version 3.60 3/2008 Edition 1 DEFAULT LOGIN IP Address http://192.168.1.1 Password 1234 www.zyxel.com...
  • Page 3 About This User's Guide About This User's Guide Intended Audience This manual is intended for people who want to configure the NBG420N using the web configurator. You should have at least a basic knowledge of TCP/IP networking concepts and topology.
  • Page 4 Syntax Conventions • The NBG420N may be referred to as the “NBG420N”, the “device”, the “product” or the “system” in this User’s Guide. • Product labels, screen names, field labels and field choices are all in bold font.
  • Page 5 Document Conventions Icons Used in Figures Figures in this User’s Guide may use the following generic icons. The NBG420N icon is not an exact representation of your device. NBG420N Computer Notebook computer Server DSLAM Firewall Telephone Switch Router Modem NBG420N User’s Guide...
  • Page 6 Only use the included antenna(s). • If you wall mount your device, make sure that no electrical lines, gas or water pipes will be damaged. This product is recyclable. Dispose of it properly. NBG420N User’s Guide...
  • Page 7 Safety Warnings NBG420N User’s Guide...
  • Page 8 Safety Warnings NBG420N User’s Guide...
  • Page 9 Contents Overview Contents Overview Introduction ..........................29 Getting to Know Your NBG420N ....................31 The WPS Button ........................35 Introducing the Web Configurator ....................37 Connection Wizard ........................49 AP Mode ............................ 65 Tutorials ............................. 73 Network ........................... 87 Wireless LAN ..........................89 WAN ............................117...
  • Page 10 Contents Overview NBG420N User’s Guide...
  • Page 11 1.3 AP Mode ..........................32 1.4 Router Features vs. AP Features ..................32 1.5 Ways to Manage the NBG420N ..................33 1.6 Good Habits for Managing the NBG420N ................33 1.7 LEDs ............................ 33 Chapter 2 The WPS Button........................35 2.1 Overview ..........................
  • Page 12 Chapter 5 AP Mode........................... 65 5.1 AP Mode Overview ......................65 5.2 Setting your NBG420N to AP Mode ..................65 5.3 The Status Screen in AP Mode ................... 66 5.3.1 Navigation Panel ......................68 5.4 Configuring Your Settings ....................69 5.4.1 LAN Settings ......................
  • Page 13 Table of Contents 6.1.1 How to Connect to the Internet from an AP ............... 73 6.1.2 Configure Wireless Security Using WPS on both your NBG420N and Wireless Client 73 6.1.3 Enable and Configure Wireless Security without WPS on your NBG420N ....76 6.1.4 Configure Your Notebook ...................
  • Page 14 ....................... 137 11.2 Using NAT ........................137 11.2.1 Port Forwarding: Services and Port Numbers ............137 11.2.2 Configuring Servers Behind Port Forwarding Example .......... 138 11.3 General NAT Screen ......................138 11.4 NAT Application Screen ....................139 NBG420N User’s Guide...
  • Page 15 ..................153 13.1.1 What is a Firewall? ....................153 13.1.2 Stateful Inspection Firewall ..................153 13.1.3 About the NBG420N Firewall ................. 153 13.1.4 Guidelines For Enhancing Security With Your Firewall .......... 154 13.2 Triangle Routes ....................... 154 13.2.1 Triangle Routes and IP Alias .................. 154 13.3 General Firewall Screen...
  • Page 16 17.9.1 Rule Configuration with the Pre-defined Service ..........205 17.9.2 Rule Configuration: User Defined Service Rule Configuration ......205 17.10 Bandwidth Management Monitor ................206 Chapter 18 Remote Management......................209 18.1 Remote Management Overview ..................209 18.1.1 Remote Management Limitations ................209 NBG420N User’s Guide...
  • Page 17 22.1 Firmware Upload Screen ....................251 22.2 Configuration Screen ....................... 252 22.2.1 Backup Configuration ..................... 253 22.2.2 Restore Configuration .................... 253 22.2.3 Back to Factory Defaults ..................254 22.3 Restart Screen ......................... 254 22.4 Wake On LAN ........................255 NBG420N User’s Guide...
  • Page 18 26.1 Power, Hardware Connections, and LEDs ..............265 26.2 NBG420N Access and Login ................... 266 26.3 Internet Access ........................ 268 26.4 Resetting the NBG420N to Its Factory Defaults .............. 269 26.5 Wireless Router/AP Troubleshooting ................269 26.6 Advanced Features ......................270 Part VI: Appendices and Index ............
  • Page 19 Figure 35 Wireless AP Connection to the Internet ................. 73 Figure 36 Example WPS Process: PBC Method ..................75 Figure 37 Example WPS Process: PIN Method ..................76 Figure 38 Network > Wireless LAN > General ..................77 NBG420N User’s Guide...
  • Page 20 Figure 78 Network > WAN > Internet Connection: Ethernet Encapsulation ..........118 Figure 79 Network > WAN > Internet Connection: PPPoE Encapsulation ........... 120 Figure 80 Network > WAN > Internet Connection: PPTP Encapsulation ..........123 Figure 81 Network > WAN > Advanced ....................125 NBG420N User’s Guide...