ZyXEL Communications NBG334W Users manual
NBG334W
802.11g Wireless Firewall Router
User’s Guide
Version 3.60
7/2007
Edition 1
DEFAULT LOGIN
IP Address http://192.168.1.1
User Name admin
Password 1234
www.zyxel.com
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NBG334W User’s Guide
About This User's Guide
About This User's Guide
Intended Audience
This manual is intended for people who want to configure the NBG334W using the web
configurator. You should have at least a basic knowledge of TCP/IP networking concepts and
topology.
Related Documentation
• Quick Start Guide
The Quick Start Guide is designed to help you get up and running right away. It contains
information on setting up your network and configuring for Internet access.
• Web Configurator Online Help
Embedded web help for descriptions of individual screens and supplementary
information.
" It is recommended you use the web configurator to configure the NBG334W.
• Supporting Disk
Refer to the included CD for support documents.
• ZyXEL Web Site
Please refer to www.zyxel.com
certifications.
User Guide Feedback
Help us help you. Send all User Guide-related comments, questions or suggestions for
improvement to the following address, or use e-mail instead. Thank you!
The Technical Writing Team,
ZyXEL Communications Corp.,
6 Innovation Road II,
Science-Based Industrial Park,
Hsinchu, 300, Taiwan.
E-mail: techwriters@zyxel.com.tw
for additional support documentation and product
NBG334W User’s Guide
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Document Conventions
Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
1 Warnings tell you about things that could harm you or your device.
" Notes tell you other important information (for example, other things you may
need to configure or helpful tips) or recommendations.
Syntax Conventions
• The NBG334W may be referred to as the “NBG334W”, 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.
• A key stroke is denoted by square brackets and uppercase text, for example, [ENTER]
means the “enter” or “return” key on your keyboard.
• “Enter” means for you to type one or more characters and then press the [ENTER] key.
“Select” or “choose” means for you to use one of the predefined choices.
• A right angle bracket ( > ) within a screen name denotes a mouse click. For example,
Maintenance > Log > Log Setting means you first click Maintenance in the navigation
panel, then the Log sub menu and finally the Log Setting tab to get to that screen.
• Units of measurement may denote the “metric” value or the “scientific” value. For
example, “k” for kilo may denote “1000” or “1024”, “M” for mega may denote “1000000”
or “1048576” and so on.
• “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”.
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NBG334W User’s Guide
Document Conventions
Icons Used in Figures
Figures in this User’s Guide may use the following generic icons. The NBG334W icon is not
an exact representation of your device.
NBG334W Computer Notebook computer
Server DSLAM Firewall
Telephone Switch Router
Modem
NBG334W User’s Guide
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Safety Warnings
Safety Warnings
1 For your safety, be sure to read and follow all warning notices and instructions.
• Do NOT use this product near water, for example, in a wet basement or near a swimming
pool.
• Do NOT expose your device to dampness, dust or corrosive liquids.
• Do NOT store things on the device.
• Do NOT install, use, or service this device during a thunderstorm. There is a remote risk
of electric shock from lightning.
• Connect ONLY suitable accessories to the device.
• Do NOT open the device or unit. Opening or removing covers can expose you to
dangerous high voltage points or other risks. ONLY qualified service personnel should
service or disassemble this device. Please contact your vendor for further information.
• Make sure to connect the cables to the correct ports.
• Place connecting cables carefully so that no one will step on them or stumble over them.
• Always disconnect all cables from this device before servicing or disassembling.
• Use ONLY an appropriate power adaptor or cord for your device.
• Connect the power adaptor or cord to the right supply voltage (for example, 110V AC in
North America or 230V AC in Europe).
• Do NOT allow anything to rest on the power adaptor or cord and do NOT place the
product where anyone can walk on the power adaptor or cord.
• Do NOT use the device if the power adaptor or cord is damaged as it might cause
electrocution.
• If the power adaptor or cord is damaged, remove it from the power outlet.
• Do NOT attempt to repair the power adaptor or cord. Contact your local vendor to order a
new one.
• Do not use the device outside, and make sure all the connections are indoors. There is a
remote risk of electric shock from lightning.
• Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your
device.
• Antenna Warning! This device meets ETSI and FCC certification requirements when
using the included antenna(s). 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.
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This product is recyclable. Dispose of it properly.
NBG334W User’s Guide
Safety Warnings
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Safety Warnings
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NBG334W User’s Guide
Contents Overview
Contents Overview
Introduction ............................................................................................................................ 27
Getting to Know Your NBG334W ............................................................................................... 29
Introducing the Web Configurator .............................................................................................. 33
Connection Wizard .................................................................................................................... 45
AP Mode .................................................................................................................................... 61
Network ................................................................................................................................... 67
Wireless LAN ............................................................................................................................. 69
Wireless Tutorial ........................................................................................................................ 89
WAN .......................................................................................................................................... 93
LAN .......................................................................................................................................... 103
DHCP ...................................................................................................................................... 109
Network Address Translation (NAT) .........................................................................................113
Dynamic DNS .......................................................................................................................... 123
Security ................................................................................................................................. 125
Firewall .................................................................................................................................... 127
Content Filtering ...................................................................................................................... 133
Management ......................................................................................................................... 137
Static Route Screens ............................................................................................................... 139
Bandwidth Management .......................................................................................................... 143
Remote Management ..............................................................................................................153
Universal Plug-and-Play (UPnP) ............................................................................................. 159
Maintenance and Troubleshooting ..................................................................................... 171
System ..................................................................................................................................... 173
Logs ......................................................................................................................................... 177
Tools ........................................................................................................................................ 191
Configuration Mode ................................................................................................................. 197
Sys Op Mode ........................................................................................................................... 199
Troubleshooting ....................................................................................................................... 203
Appendices and Index ......................................................................................................... 209
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Contents Overview
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NBG334W User’s Guide
Table of Contents
Table of Contents
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...........................................................................................................................23
Part I: Introduction................................................................................. 27
Chapter 1
Getting to Know Your NBG334W...........................................................................................29
1.1 Overview .............................................................................................................................. 29
1.2 AP Mode .............................................................................................................................. 29
1.3 Router Mode ........................................................................................................................ 30
1.4 Router Features vs. AP Features ........................................................................................ 30
1.5 Ways to Manage the NBG334W .......................................................................................... 31
1.6 Good Habits for Managing the NBG334W ........................................................................... 31
1.7 LEDs .................................................................................................................................... 31
Chapter 2
Introducing the Web Configurator ........................................................................................ 33
2.1 Web Configurator Overview ................................................................................................. 33
2.2 Accessing the Web Configurator ......................................................................................... 33
2.3 Resetting the NBG334W ..................................................................................................... 35
2.3.1 Procedure to Use the Reset Button ........................................................................... 35
2.4 Navigating the Web Configurator ...................................................................................... 35
2.5 The Status Screen in Router Mode ..................................................................................... 35
2.5.1 Navigation Panel ........................................................................................................ 38
2.5.2 Summary: Any IP Table .............................................................................................. 40
2.5.3 Summary: Bandwidth Management Monitor ........................................................... 40
2.5.4 Summary: DHCP Table ........................................................................................... 41
2.5.5 Summary: Packet Statistics ..................................................................................... 41
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Table of Contents
2.5.6 Summary: Wireless Station Status ......................................................................... 42
Chapter 3
Connection Wizard .................................................................................................................45
3.1 Wizard Setup ....................................................................................................................... 45
3.2 Connection Wizard: STEP 1: System Information ............................................................... 46
3.2.1 System Name ............................................................................................................. 46
3.2.2 Domain Name ............................................................................................................ 47
3.3 Connection Wizard: STEP 2: Wireless LAN ........................................................................ 47
3.3.1 Basic (WEP) Security ................................................................................................. 49
3.3.2 Extend (WPA-PSK or WPA2-PSK) Security ............................................................... 50
3.4 Connection Wizard: STEP 3: Internet Configuration ........................................................... 50
3.4.1 Ethernet Connection .................................................................................................. 51
3.4.2 PPPoE Connection .................................................................................................... 51
3.4.3 PPTP Connection ....................................................................................................... 52
3.4.4 Your IP Address ......................................................................................................... 54
3.4.5 WAN IP Address Assignment ..................................................................................... 54
3.4.6 IP Address and Subnet Mask ..................................................................................... 55
3.4.7 DNS Server Address Assignment .............................................................................. 55
3.4.8 WAN IP and DNS Server Address Assignment ......................................................... 56
3.4.9 WAN MAC Address .................................................................................................... 57
3.5 Connection Wizard: STEP 4: Bandwidth management ....................................................... 58
3.6 Connection Wizard Complete .............................................................................................. 58
Chapter 4
AP Mode................................................................................................................................... 61
4.1 AP Mode Overview .............................................................................................................. 61
4.2 Setting your NBG334W to AP Mode ................................................................................... 61
4.3 The Status Screen in AP Mode ........................................................................................... 62
4.3.1 Navigation Panel ........................................................................................................ 64
4.4 Configuring Your Settings .................................................................................................... 65
4.4.1 LAN Settings .............................................................................................................. 65
4.4.2 WLAN and Maintenance Settings .............................................................................. 66
4.5 Logging in to the Web Configurator in AP Mode ................................................................. 66
Part II: Network....................................................................................... 67
Chapter 5
Wireless LAN...........................................................................................................................69
5.1 Wireless Network Overview ................................................................................................. 69
5.2 Wireless Security Overview .................................................................................................71
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Table of Contents
5.2.1 SSID ........................................................................................................................... 71
5.2.2 MAC Address Filter .................................................................................................... 71
5.2.3 User Authentication .................................................................................................... 72
5.2.4 Encryption .................................................................................................................. 72
5.3 Roaming .............................................................................................................................. 73
5.3.1 Requirements for Roaming ........................................................................................ 74
5.4 Quality of Service ................................................................................................................ 74
5.4.1 WMM QoS ..................................................................................................................75
5.5 General Wireless LAN Screen ............................................................................................ 75
5.5.1 No Security ................................................................................................................. 76
5.5.2 WEP Encryption ......................................................................................................... 77
5.5.3 WPA-PSK/WPA2-PSK ................................................................................................ 79
5.5.4 WPA/WPA2 ................................................................................................................ 80
5.6 MAC Filter ............................................................................................................................ 82
5.7 Wireless LAN Advanced Screen ......................................................................................... 83
5.8 Quality of Service (QoS) Screen ......................................................................................... 84
5.8.1 Application Priority Configuration ............................................................................... 86
Chapter 6
Wireless Tutorial .....................................................................................................................89
6.1 How to Connect to the Internet from a Notebook ................................................................ 89
6.1.1 Example Parameters .................................................................................................. 89
6.2 Enable and Configure Wireless Security on your NBG334W .............................................. 89
6.3 Configure Your Notebook ....................................................................................................91
Chapter 7
WAN..........................................................................................................................................93
7.1 WAN Overview .................................................................................................................... 93
7.2 WAN MAC Address ............................................................................................................. 93
7.3 Multicast .............................................................................................................................. 93
7.4 Internet Connection ............................................................................................................. 94
7.4.1 Ethernet Encapsulation .............................................................................................. 94
7.4.2 PPPoE Encapsulation ................................................................................................ 95
7.4.3 PPTP Encapsulation .................................................................................................. 98
7.5 Advanced WAN Screen ..................................................................................................... 101
Chapter 8
LAN......................................................................................................................................... 103
8.1 LAN Overview .................................................................................................................... 103
8.1.1 IP Pool Setup ........................................................................................................... 103
8.1.2 System DNS Servers ............................................................................................... 103
8.2 LAN TCP/IP ....................................................................................................................... 103
8.2.1 Factory LAN Defaults ............................................................................................... 103
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Table of Contents
8.2.2 IP Address and Subnet Mask ................................................................................... 104
8.2.3 Multicast ................................................................................................................... 104
8.2.4 Any IP ....................................................................................................................... 104
8.3 LAN IP Screen ................................................................................................................... 106
8.4 LAN IP Alias ..................................................................................................................... 106
8.5 Advanced LAN Screen ...................................................................................................... 107
Chapter 9
DHCP...................................................................................................................................... 109
9.1 DHCP ................................................................................................................................ 109
9.2 DHCP Server General Screen ........................................................................................... 109
9.3 DHCP Server Advanced Screen .....................................................................................110
9.4 Client List Screen ...............................................................................................................111
Chapter 10
Network Address Translation (NAT).................................................................................... 113
10.1 NAT Overview ................................................................................................................113
10.2 Using NAT .........................................................................................................................113
10.2.1 Port Forwarding: Services and Port Numbers .........................................................113
10.2.2 Configuring Servers Behind Port Forwarding Example ...........................................114
10.3 General NAT Screen .........................................................................................................114
10.4 NAT Application Screen ..................................................................................................115
10.4.1 Game List Example .................................................................................................117
10.5 Trigger Port Forwarding ....................................................................................................118
10.5.1 Trigger Port Forwarding Example ...........................................................................118
10.5.2 Two Points To Remember About Trigger Ports .......................................................119
10.6 NAT Advanced Screen .....................................................................................................119
Chapter 11
Dynamic DNS ........................................................................................................................123
11.1 Dynamic DNS Introduction .............................................................................................. 123
11.1.1 DynDNS Wildcard .................................................................................................. 123
11.2 Dynamic DNS Screen .................................................................................................... 123
Part III: Security.................................................................................... 125
Chapter 12
Firewall................................................................................................................................... 127
12.1 Introduction to ZyXEL’s Firewall .................................................................................... 127
12.1.1 What is a Firewall? ................................................................................................. 127
12.1.2 Stateful Inspection Firewall .................................................................................... 127
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Table of Contents
12.1.3 About the NBG334W Firewall ................................................................................ 127
12.1.4 Guidelines For Enhancing Security With Your Firewall .......................................... 128
12.2 Triangle Routes ............................................................................................................... 128
12.2.1 Triangle Routes and IP Alias .................................................................................. 128
12.3 General Firewall Screen ............................................................................................... 129
12.4 Services Screen ............................................................................................................. 130
Chapter 13
Content Filtering ................................................................................................................... 133
13.1 Introduction to Content Filtering ...................................................................................... 133
13.2 Restrict Web Features .....................................................................................................133
13.3 Days and Times ............................................................................................................... 133
13.4 Filter Screen .................................................................................................................... 133
13.5 Schedule .......................................................................................................................... 135
13.6 Customizing Keyword Blocking URL Checking ............................................................... 136
13.6.1 Domain Name or IP Address URL Checking ......................................................... 136
13.6.2 Full Path URL Checking ......................................................................................... 136
13.6.3 File Name URL Checking ....................................................................................... 136
Part IV: Management............................................................................ 137
Chapter 14
Static Route Screens............................................................................................................139
14.1 Static Route Overview .....................................................................................................139
14.2 IP Static Route Screen ....................................................................................................139
14.2.1 Static Route Setup Screen ................................................................................... 140
Chapter 15
Bandwidth Management.......................................................................................................143
15.1 Bandwidth Management Overview ................................................................................. 143
15.2 Application-based Bandwidth Management .................................................................... 143
15.3 Subnet-based Bandwidth Management .......................................................................... 143
15.4 Application and Subnet-based Bandwidth Management ................................................. 144
15.5 Bandwidth Management Priorities ................................................................................... 144
15.6 Predefined Bandwidth Management Services ................................................................. 145
15.6.1 Services and Port Numbers ................................................................................... 146
15.7 Default Bandwidth Management Classes and Priorities .................................................. 148
15.8 Bandwidth Management General Configuration ............................................................. 149
15.9 Bandwidth Management Advanced Configuration .......................................................... 149
15.9.1 Rule Configuration .............................................................................................. 151
15.10 Bandwidth Management Monitor ................................................................................ 152
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