ZyXEL Communications NBG420N User Manuals

Table of Contents

• NBG420N

  1
  • About This User's Guide

    3
  • Document Conventions

    4
  • Safety Warnings

    6
  • Contents Overview

    9
  • Table of Contents

    11
  • List of Figures

    19
  • List of Tables

    25
• Introduction

  29
  • Getting to Know Your NBG420N

    31
    • 1.1 Overview

      31
    • 1.2 Router Mode

      31
    • 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
  • The WPS Button

    35
    • 2.1 Overview

      35
  • Introducing the Web Configurator

    37
    • 3.1 Web Configurator Overview

      37
    • 3.2 Accessing the Web Configurator

      37
    • 3.3 Resetting the NBG420N

      39
      • 3.3.1 Procedure to Use the Reset Button

        39
    • 3.4 Navigating the Web Configurator

      39
    • 3.5 The Status Screen in Router Mode

      39
      • 3.5.1 Navigation Panel

        42
      • 3.5.2 Summary: Any IP Table

        44
      • 3.5.3 Summary: Bandwidth Management Monitor

        44
      • 3.5.4 Summary: DHCP Table

        45
      • 3.5.5 Summary: Packet Statistics

        46
      • 3.5.6 Summary: VPN Monitor

        47
      • 3.5.7 Summary: Wireless Station Status

        47
  • Connection Wizard

    49
    • 4.1 Wizard Setup

      49
    • 4.2 Connection Wizard: STEP 1: System Information

      50
      • 4.2.1 System Name

        50
      • 4.2.2 Domain Name

        51
    • 4.3 Connection Wizard: STEP 2: Wireless LAN

      51
      • 4.3.1 Basic (WEP) Security

        53
      • 4.3.2 Extend (WPA-PSK or WPA2-PSK) Security

        54
    • 4.4 Connection Wizard: STEP 3: Internet Configuration

      54
      • 4.4.1 Ethernet Connection

        55
      • 4.4.2 PPPoE Connection

        55
      • 4.4.3 PPTP Connection

        56
      • 4.4.4 Your IP Address

        58
      • 4.4.5 WAN IP Address Assignment

        58
      • 4.4.6 IP Address and Subnet Mask

        59
      • 4.4.7 DNS Server Address Assignment

        59
      • 4.4.8 WAN IP and DNS Server Address Assignment

        60
      • 4.4.9 WAN MAC Address

        61
    • 4.5 Connection Wizard: STEP 4: Bandwidth management

      62
    • 4.6 Connection Wizard Complete

      62
  • 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

        69
      • 5.4.2 WLAN and Maintenance Settings

        71
    • 5.5 Logging in to the Web Configurator in AP Mode

      71
  • Tutorials

    73
    • 6.1 Wireless Tutorials

      73
      • 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
        • 6.1.2.1 Push Button Configuration (PBC)

          74
        • 6.1.2.2 PIN Configuration

          75
      • 6.1.3 Enable and Configure Wireless Security without WPS on your NBG420N

        76
      • 6.1.4 Configure Your Notebook

        78
    • 6.2 Site-To-Site VPN Tunnel Tutorial

      80
      • 6.2.1 Configuring Bob’s NBG420N VPN Settings

        81
      • 6.2.2 Configuring Jack’s NBG420N VPN Settings

        83
      • 6.2.3 Checking the VPN Connection

        84
• Network

  87
  • Wireless LAN

    89
    • 7.1 Wireless Network Overview

      89
    • 7.2 Wireless Security Overview

      90
      • 7.2.1 SSID

        90
      • 7.2.2 MAC Address Filter

        90
      • 7.2.3 User Authentication

        90
      • 7.2.4 Encryption

        91
    • 7.3 Roaming

      92
      • 7.3.1 Requirements for Roaming

        93
    • 7.4 Quality of Service

      93
      • 7.4.1 WMM QoS

        94
        • 7.4.1.1 WMM QoS Priorities

          94
    • 7.5 General Wireless LAN Screen

      94
      • 7.5.1 No Security

        96
      • 7.5.2 WEP Encryption

        96
      • 7.5.3 WPA-PSK/WPA2-PSK

        98
      • 7.5.4 WPA/WPA2

        99
    • 7.6 MAC Filter

      101
    • 7.7 Wireless LAN Advanced Screen

      102
    • 7.8 Quality of Service (QoS) Screen

      103
      • 7.8.1 Application Priority Configuration

        105
    • 7.9 WiFi Protected Setup

      106
      • 7.9.1 WPS Screen

        106
      • 7.9.2 WPS Station Screen

        107
      • 7.9.3 Scheduling

        107
    • 7.10 iPod Touch Web Configurator

      108
      • 7.10.1 Login Screen

        109
      • 7.10.2 System Status

        110
      • 7.10.3 WPS in Progress

        112
      • 7.10.4 Port Forwarding

        113
    • 7.11 Accessing the iPod Touch Web Configurator

      114
      • 7.11.1 Accessing the iPod Touch Web Configurator

        115
  • WAN

    117
    • 8.1 WAN Overview

      117
    • 8.2 WAN MAC Address

      117
    • 8.3 Multicast

      117
    • 8.4 Internet Connection

      118
      • 8.4.1 Ethernet Encapsulation

        118
      • 8.4.2 PPPoE Encapsulation

        119
      • 8.4.3 PPTP Encapsulation

        122
    • 8.5 Advanced WAN Screen

      125
  • LAN

    127
    • 9.1 LAN Overview

      127
      • 9.1.1 IP Pool Setup

        127
      • 9.1.2 System DNS Servers

        127
    • 9.2 LAN TCP/IP

      127
      • 9.2.1 Factory LAN Defaults

        127
      • 9.2.2 IP Address and Subnet Mask

        128
      • 9.2.3 Multicast

        128
      • 9.2.4 Any IP

        128
    • 9.3 LAN IP Screen

      130
    • 9.4 LAN IP Alias

      130
    • 9.5 Advanced LAN Screen

      131
  • DHCP

    133
    • 10.1 DHCP

      133
    • 10.2 DHCP General Screen

      133
    • 10.3 DHCP Advanced Screen

      134
    • 10.4 Client List Screen

      135
  • Network Address Translation (NAT)

    137
    • 11.1 NAT Overview

      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
      • 11.4.1 Game List Example

        141
    • 11.5 Trigger Port Forwarding

      142
      • 11.5.1 Trigger Port Forwarding Example

        142
      • 11.5.2 Two Points To Remember About Trigger Ports

        143
    • 11.6 NAT Advanced Screen

      143
  • Dynamic DNS

    147
    • 12.1 Dynamic DNS Introduction

      147
      • 12.1.1 DynDNS Wildcard

        147
    • 12.2 Dynamic DNS Screen

      147
• Security

  151
  • Firewall

    153
    • 13.1 Introduction to ZyXEL’s Firewall

      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

      155
    • 13.4 Services Screen

      156
      • 13.4.1 The Add Firewall Rule Screen

        157
  • Content Filtering

    161
    • 14.1 Introduction to Content Filtering

      161
    • 14.2 Restrict Web Features

      161
    • 14.3 Days and Times

      161
    • 14.4 Filter Screen

      161
    • 14.5 Schedule

      163
    • 14.6 Customizing Keyword Blocking URL Checking

      164
      • 14.6.1 Domain Name or IP Address URL Checking

        164
      • 14.6.2 Full Path URL Checking

        164
      • 14.6.3 File Name URL Checking

        164
  • IPSec VPN

    165
    • 15.1 IPSec VPN Overview

      165
      • 15.1.1 What You Can Do in the IPSec VPN Screens

        165
      • 15.1.2 What You Need To Know About IPSec VPN

        166
      • 15.1.3 IKE SA (IKE Phase 1) Overview

        166
        • 15.1.3.1 IP Addresses of the NBG420N and Remote IPSec Router

          166
      • 15.1.4 IPSec SA (IKE Phase 2) Overview

        167
        • 15.1.4.1 Local Network and Remote Network

          167
    • 15.2 The General Screen

      167
      • 15.2.1 VPN Rule Setup (Basic)

        168
      • 15.2.2 VPN Rule Setup (Advanced)

        173
      • 15.2.3 VPN Rule Setup (Manual)

        179
        • 15.2.3.1 IPSec SA Using Manual Keys

          179
        • 15.2.3.2 IPSec SA Proposal Using Manual Keys

          179
        • 15.2.3.3 Authentication and the Security Parameter Index (SPI)

          180
    • 15.3 The SA Monitor Screen

      183
    • 15.4 VPN and Remote Management

      184
    • 15.5 IPSec VPN Technical Reference

      185
• Management

  193
  • Static Route Screens

    195
    • 16.1 Static Route Overview

      195
    • 16.2 IP Static Route Screen

      195
      • 16.2.1 Static Route Setup Screen

        196
  • Bandwidth Management

    199
    • 17.1 Bandwidth Management Overview

      199
    • 17.2 Application-based Bandwidth Management

      199
    • 17.3 Subnet-based Bandwidth Management

      199
    • 17.4 Application and Subnet-based Bandwidth Management

      200
    • 17.5 Bandwidth Management Priorities

      200
    • 17.6 Predefined Bandwidth Management Services

      201
      • 17.6.1 Services and Port Numbers

        201
    • 17.7 Default Bandwidth Management Classes and Priorities

      202
    • 17.8 Bandwidth Management General Configuration

      202
    • 17.9 Bandwidth Management Advanced Configuration

      203
      • 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
  • Remote Management

    209
    • 18.1 Remote Management Overview

      209
      • 18.1.1 Remote Management Limitations

        209
      • 18.1.2 Remote Management and NAT

        210
      • 18.1.3 System Timeout

        210
    • 18.2 WWW Screen

      210
    • 18.3 Telnet

      211
    • 18.4 Telnet Screen

      211
    • 18.5 FTP Screen

      212
    • 18.6 DNS Screen

      212
  • Universal Plug-and-Play (UPnP)

    215
    • 19.1 Introducing Universal Plug and Play

      215
      • 19.1.1 How do I know if I'm using UPnP?

        215
      • 19.1.2 NAT Traversal

        215
      • 19.1.3 Cautions with UPnP

        215
    • 19.2 UPnP and ZyXEL

      216
    • 19.3 UPnP Screen

      216
    • 19.4 Installing UPnP in Windows Example

      217
      • 19.4.0.1 Installing UPnP in Windows Me

        217
      • 19.4.0.2 Using UPnP in Windows XP Example

        220
• Maintenance and Troubleshooting

  227
  • System

    229
    • 20.1 System Overview

      229
    • 20.2 System General Screen

      229
    • 20.3 Time Setting Screen

      230
  • Logs

    233
    • 21.1 View Log

      233
    • 21.2 Log Settings

      234
    • 21.3 Log Descriptions

      237
  • Tools

    251
    • 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
  • Configuration Mode

    257
  • Sys Op Mode

    259
    • 24.1 Overview

      259
      • 24.1.1 Router

        259
      • 24.1.2 AP

        259
    • 24.2 Selecting System Operation Mode

      260
  • Language

    263
    • 25.1 Language Screen

      263
  • Troubleshooting

    265
    • 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
• Appendices and Index

  271
  • Product Specifications and Wall- Mounting Instructions

    273
  • Pop-up Windows, JavaScripts and Java Permissions

    279
  • IP Addresses and Subnetting

    285
  • Setting up Your Computer’s IP Address

    293
    • 26.6.1 Verifying Settings

      308
  • Wireless LANs

    309
    • 26.6.2 WPA(2)-PSK Application Example

      318
    • 26.6.3 WPA(2) with RADIUS Application Example

      318
  • Services

    321
  • Legal Information

    325
  • Customer Support

    329
  • Index

    335