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NWA-3160

ZyXEL NWA-3160, NWA-3163 User guide

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www.zyxel.com
www.zyxel.com
NWA-3160 Series
Models: NWA-3160 & NWA-3163
Copyright © 2009
ZyXEL Communications Corporation
Firmware Version 3.7
Edition 2, 03/2009
Default Login Details
IP Address http://192.168.1.2
User Name
Password 1234
About This User's Guide
NWA-3160 Series User’s Guide
3
About This User's Guide
Intended Audience
This manual is intended for people who want to configure the NWA-3160 Series
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.
• Support Disc
Refer to the included CD for support documents.
• ZyXEL Web Site
Please refer to www.zyxel.com
for additional support documentation and
product 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: [email protected]om.tw
Document Conventions
NWA-3160 Series User’s Guide
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Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
Warnings tell you about things that could harm you or your
device.
Note: Notes tell you other important information (for example, other things you may
need to configure or helpful tips) or recommendations.
Syntax Conventions
• The products in the NWA-3160 Series may be referred to as the “NWA”, the
“device” or the “system” in this User’s Guide.
Note: The NWA-3160 Series includes the NWA-3160 and the NWA-3163. Illustrations
used throughout this book are based on the NWA-3163.
• 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 > Status > Show Statistics means you first click
Maintenance in the navigation panel, then the Status sub menu and finally
the Show Statistics button 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”.
• Screens reproduced here for demonstration purposes may not exactly match
the screens on your device.
Document Conventions
NWA-3160 Series User’s Guide
5
Icons Used in Figures
Figures in this User’s Guide may use the following generic icons. The NWA icon is
not an exact representation of your device.
NWA Computer Notebook computer
Server Printer Firewall
Telephone Switch Router
Safety Warnings
NWA-3160 Series User’s Guide
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Safety Warnings
• 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.
• ONLY qualified service personnel should service or disassemble this device.
• 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.
• 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.
• The PoE (Power over Ethernet) devices that supply or receive power and their connected
Ethernet cables must all be completely indoors.
This product is recyclable. Dispose of it properly.
Table of Contents
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Table of Contents
About This User's Guide..........................................................................................................3
Document Conventions............................................................................................................4
Safety Warnings........................................................................................................................6
Table of Contents......................................................................................................................7
Part I: Introduction................................................................................. 15
Chapter 1
Introduction.............................................................................................................................17
1.1 Overview ............................................................................................................................. 17
1.2 Applications for the NWA ..................................................................................................... 18
1.2.1 Access Point ..............................................................................................................18
1.2.2 Bridge / Repeater ....................................................................................................... 19
1.2.2.1 Bridge / Repeater Mode Example ..................................................20
1.2.3 AP + Bridge ................................................................................................................ 22
1.2.4 MBSSID .....................................................................................................................22
1.2.5 Pre-Configured SSID Profiles .................................................................................... 24
1.2.6 Configuring Dual WLAN Adaptors .............................................................................. 24
1.3 CAPWAP ............................................................................................................................. 25
1.4 Ways to Manage the NWA ................................................................................................... 26
1.5 Good Habits for Managing the NWA ................................................................................... 26
1.6 Hardware Connections ........................................................................................................26
1.6.1 Antennas .................................................................................................................... 27
1.7 LEDs .................................................................................................................................... 28
Chapter 2
The Web Configurator............................................................................................................31
2.1 Overview .............................................................................................................................. 31
2.2 Accessing the Web Configurator ......................................................................................... 31
2.3 Resetting the NWA ..............................................................................................................32
2.3.1 Methods of Restoring Factory-Defaults ...................................................................... 32
2.4 Navigating the Web Configurator ......................................................................................... 33
Chapter 3
Tutorials...................................................................................................................................35
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3.1 Overview .............................................................................................................................. 35
3.2 How to Configure the Wireless LAN .................................................................................... 35
3.2.1 Choosing the Wireless Mode ..................................................................................... 35
3.2.2 Wireless LAN Configuration Overview ....................................................................... 36
3.2.3 Further Reading .........................................................................................................37
3.3 How to Configure Multiple Wireless Networks ..................................................................... 37
3.3.1 Change the Operating Mode ...................................................................................... 39
3.3.2 Configure the VoIP Network ....................................................................................... 41
3.3.2.1 Set Up Security for the VoIP Profile ................................................42
3.3.2.2 Activate the VoIP Profile .................................................................44
3.3.3 Configure the Guest Network ..................................................................................... 44
3.3.3.1 Set Up Security for the Guest Profile ..............................................46
3.3.3.2 Set up Layer 2 Isolation ..................................................................47
3.3.3.3 Activate the Guest Profile ...............................................................48
3.3.4 Testing the Wireless Networks ................................................................................... 48
3.4 How to Set Up and Use Rogue AP Detection ..................................................................... 49
3.4.1 Set Up and Save a Friendly AP list ............................................................................ 51
3.4.2 Activate Periodic Rogue AP Detection ....................................................................... 54
3.4.3 Set Up E-mail Logs .................................................................................................... 55
3.4.4 Configure Your Other Access Points .......................................................................... 56
3.4.5 Test the Setup ............................................................................................................57
3.5 Using MAC Filters and L-2 Isolation Profiles ....................................................................... 57
3.5.1 Scenario .....................................................................................................................57
3.5.2 Your Requirements ..................................................................................................... 58
3.5.3 Setup .......................................................................................................................... 58
3.5.4 Configure the SERVER_1 Network ............................................................................ 59
3.5.5 Configure the SERVER_2 Network ............................................................................ 62
3.5.6 Checking your Settings and Testing the Configuration .............................................. 63
3.5.6.1 Checking Settings ...........................................................................63
3.5.6.2 Testing the Configuration ................................................................64
3.6 How to Configure Management Modes ............................................................................... 65
3.6.1 Scenario ..................................................................................................................... 65
3.6.2 Your Requirements ..................................................................................................... 66
3.6.3 Setup .......................................................................................................................... 66
3.6.4 Configure Your NWA in Controller AP Mode .............................................................. 67
3.6.4.1 Secondary AP Controller ................................................................68
3.6.4.2 Primary AP Controller .....................................................................69
3.6.5 Setting Your NWA in Managed AP Mode ................................................................... 69
3.6.6 Configuring the Managed Access Points List ............................................................. 70
3.6.7 Checking your Settings and Testing the Configuration .............................................. 73
Part II: The Web Configurator............................................................... 75
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Chapter 4
Status Screen..........................................................................................................................77
4.1 Overview .............................................................................................................................. 77
4.2 The Status Screen ............................................................................................................... 77
Chapter 5
Management Mode..................................................................................................................81
5.1 Overview .............................................................................................................................. 81
5.2 About CAPWAP ................................................................................................................... 81
5.2.1 CAPWAP Discovery and Management ...................................................................... 82
5.2.2 CAPWAP and DHCP .................................................................................................. 82
5.2.3 CAPWAP and IP Subnets .......................................................................................... 82
5.2.4 Notes on CAPWAP .................................................................................................... 83
5.3 The Management Mode Screen .......................................................................................... 84
Chapter 6
AP Controller Mode ................................................................................................................87
6.1 Overview .............................................................................................................................. 87
6.1.1 What You Can Do in AP Controller Mode .................................................................. 87
6.1.2 What You Need to Know ............................................................................................ 87
6.1.3 Before You Begin ....................................................................................................... 88
6.2 Controller AP Navigation Menu ...........................................................................................88
6.3 Controller AP Status Screen ................................................................................................89
6.4 AP Lists Screen ................................................................................................................... 91
6.4.1 The AP Lists Edit Screen ........................................................................................... 93
6.5 Configuration Screen ........................................................................................................... 94
6.6 Redundancy Screen ............................................................................................................ 95
6.7 The Profile Edit Screens ...................................................................................................... 96
6.7.1 The Radio Profile Screen ........................................................................................... 96
6.7.2 The Radio Profile Edit Screen .................................................................................... 97
Chapter 7
System Screens....................................................................................................................101
7.1 Overview ............................................................................................................................ 101
7.1.1 What You Can Do in the System Screens ................................................................ 101
7.1.2 What You Need To Know About the System Screens .............................................. 102
7.2 General Screen ................................................................................................................. 103
7.3 Password Screen ..............................................................................................................105
7.4 Time Setting Screen ......................................................................................................... 107
7.5 Technical Reference .......................................................................................................... 109
7.5.1 Administrator Authentication on RADIUS ................................................................. 109
7.5.2 Pre-defined NTP Time Servers List .......................................................................... 109
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Chapter 8
Wireless Screen.................................................................................................................... 111
8.1 Overview .............................................................................................................................111
8.1.1 What You Can Do in the Wireless Screen .................................................................111
8.1.2 What You Need To Know About the Wireless Screen ...............................................112
8.2 The Wireless Screen ..........................................................................................................115
8.2.1 Access Point Mode ...................................................................................................115
8.2.2 Bridge / Repeater Mode ............................................................................................118
8.2.3 AP + Bridge Mode .................................................................................................... 122
8.2.4 MBSSID Mode ......................................................................................................... 123
8.3 Technical Reference .......................................................................................................... 126
8.3.1 WMM QoS ................................................................................................................ 126
8.3.1.1 WMM QoS Priorities .....................................................................127
8.3.2 ATC .......................................................................................................................... 127
8.3.3 ATC+WMM ............................................................................................................... 128
8.3.3.1 ATC+WMM from LAN to WLAN ....................................................128
8.3.3.2 ATC+WMM from WLAN to LAN ....................................................129
8.3.4 Type Of Service (ToS) .............................................................................................. 129
8.3.4.1 DiffServ .........................................................................................129
8.3.4.2 DSCP and Per-Hop Behavior .......................................................130
8.3.4.3 ToS (Type of Service) and WMM QoS ..........................................130
8.3.5 Spanning Tree Protocol (STP) ................................................................................. 131
8.3.5.1 Rapid STP ....................................................................................131
8.3.5.2 STP Terminology ..........................................................................131
8.3.5.3 How STP Works ...........................................................................132
8.3.5.4 STP Port States ............................................................................132
8.3.6 DFS ..........................................................................................................................132
8.3.7 Roaming ...................................................................................................................133
8.3.7.1 Requirements for Roaming ...........................................................134
8.3.8 Additional Wireless Terms ........................................................................................ 135
Chapter 9
SSID Screen...........................................................................................................................137
9.1 Overview ............................................................................................................................ 137
9.1.1 What You Can Do in the SSID Screen ..................................................................... 137
9.1.2 What You Need To Know About SSID ...................................................................... 138
9.2 The SSID Screen ............................................................................................................... 139
9.2.1 Configuring SSID ..................................................................................................... 140
Chapter 10
Wireless Security Screen.....................................................................................................143
10.1 Overview ..........................................................................................................................143
10.1.1 What You Can Do in the Security Screen .............................................................. 143
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10.1.2 What You Need To Know About Wireless Security ................................................ 144
10.2 The Security Screen ........................................................................................................ 146
10.2.1 Security: WEP ........................................................................................................ 147
10.2.2 Security: 802.1x Only ............................................................................................. 149
10.2.3 Security: 802.1x Static 64-bit, 802.1x Static 128-bit ...............................................150
10.2.4 Security: WPA ........................................................................................................ 151
10.2.5 Security: WPA2 or WPA2-MIX ................................................................................ 152
10.2.6 Security: WPA-PSK, WPA2-PSK, WPA2-PSK-MIX ................................................ 154
10.3 Technical Reference ........................................................................................................155
Chapter 11
RADIUS Screen.....................................................................................................................157
11.1 Overview ..........................................................................................................................157
11.1.1 What You Can Do in the RADIUS Screen .............................................................. 158
11.1.2 What You Need To Know About Wireless Security ................................................ 158
11.2 The RADIUS Screen ........................................................................................................159
Chapter 12
Layer-2 Isolation Screen ......................................................................................................161
12.1 Overview ..........................................................................................................................161
12.1.1 What You Can Do in the Layer-2 Isolation Screen .................................................162
12.1.2 What You Need To Know About This Chapter ....................................................... 162
12.2 The Layer-2 Isolation Screen .......................................................................................... 163
12.2.1 Configuring Layer-2 Isolation ................................................................................. 164
12.3 Technical Reference ........................................................................................................165
Chapter 13
MAC Filter Screen.................................................................................................................167
13.1 Overview ..........................................................................................................................167
13.1.1 What You Can Do in the MAC Filter Screen .......................................................... 167
13.1.2 What You Should Know About MAC Filter ............................................................. 167
13.2 The MAC Filter Screen .................................................................................................... 168
13.2.1 Configuring the MAC Filter ..................................................................................... 169
Chapter 14
IP Screen................................................................................................................................171
14.1 Overview ..........................................................................................................................171
14.1.1 What You Can Do in the IP Screen ........................................................................ 171
14.1.2 What You Need To Know About IP ........................................................................ 171
14.2 The IP Screen .................................................................................................................. 172
14.3 Technical Reference ........................................................................................................173
14.3.1 WAN IP Address Assignment ................................................................................. 173
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Chapter 15
Rogue AP Detection .............................................................................................................175
15.1 Overview ..........................................................................................................................175
15.1.1 What You Can Do in the Rogue AP Screen ...........................................................176
15.1.2 What You Need To Know About Rogue AP ............................................................ 176
15.2 Configuration Screen .......................................................................................................178
15.2.1 Friendly AP Screen ................................................................................................ 179
15.2.2 Rogue AP Screen .................................................................................................. 180
Chapter 16
Remote Management Screens.............................................................................................183
16.1 Overview ..........................................................................................................................183
16.1.1 What You Can Do in the Remote Management Screens ....................................... 184
16.1.2 What You Need To Know About Remote Management ......................................... 184
16.2 The Telnet Screen ........................................................................................................... 186
16.3 The FTP Screen ..............................................................................................................187
16.4 The WWW Screen ........................................................................................................... 188
16.5 The SNMP Screen ...........................................................................................................190
16.6 Technical Reference ........................................................................................................192
16.6.1 MIB ......................................................................................................................... 192
16.6.2 Supported MIBs ..................................................................................................... 192
16.6.3 SNMP Traps ........................................................................................................... 192
Chapter 17
Internal RADIUS Server........................................................................................................195
17.1 Overview ..........................................................................................................................195
17.1.1 What You Can Do in this Chapter .......................................................................... 196
17.1.2 What You Need To Know ....................................................................................... 196
17.2 Internal RADIUS Server Setting Screen .......................................................................... 196
17.3 The Trusted AP Screen ................................................................................................... 198
17.4 The Trusted Users Screen ............................................................................................... 199
17.5 Technical Reference ........................................................................................................200
Chapter 18
Certificates ............................................................................................................................203
18.1 Overview ..........................................................................................................................203
18.1.1 What You Can Do in the Certificates Screen .........................................................203
18.1.2 What You Need To Know About Certificates .......................................................... 204
18.2 My Certificates Screen ....................................................................................................204
18.2.1 My Certificates Import Screen ................................................................................ 206
18.2.2 My Certificates Create Screen ............................................................................... 208
18.2.3 My Certificates Details Screen ................................................................................211
18.3 Trusted CAs Screen ........................................................................................................214
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18.3.1 Trusted CAs Import Screen .................................................................................... 215
18.3.2 Trusted CAs Details Screen ................................................................................... 216
18.4 Technical Reference ........................................................................................................219
18.4.1 Private-Public Certificates ...................................................................................... 219
18.4.2 Certification Authorities .......................................................................................... 219
18.4.3 Checking the Fingerprint of a Certificate ................................................................ 220
Chapter 19
Log Screens ..........................................................................................................................221
19.1 Overview ..........................................................................................................................221
19.1.1 What You Can Do in the Log Screens .................................................................... 221
19.1.2 What You Need To Know About Logs .................................................................... 222
19.2 The View Log Screen ......................................................................................................222
19.3 The Log Settings Screen ................................................................................................. 224
19.4 Technical Reference ........................................................................................................226
19.4.1 Example Log Messages ......................................................................................... 226
19.4.2 Log Commands ......................................................................................................228
19.4.3 Configuring What You Want the NWA to Log ......................................................... 228
19.4.4 Displaying Logs ...................................................................................................... 228
19.4.5 Log Command Example ......................................................................................... 228
Chapter 20
VLAN......................................................................................................................................231
20.1 Overview ..........................................................................................................................231
20.1.1 What You Can Do in the VLAN Screen .................................................................. 231
20.1.2 What You Need To Know About VLAN ................................................................... 232
20.2 Wireless VLAN Screen ....................................................................................................233
20.2.1 RADIUS VLAN Screen ........................................................................................... 235
20.3 Technical Reference ........................................................................................................236
20.3.1 VLAN Tagging ........................................................................................................ 236
20.3.2 Configuring Management VLAN Example ............................................................. 236
20.3.3 Configuring Microsoft’s IAS Server Example ......................................................... 239
20.3.3.1 Configuring VLAN Groups ..........................................................240
20.3.3.2 Configuring Remote Access Policies ..........................................241
20.3.4 Second Rx VLAN ID Example ................................................................................ 249
20.3.4.1 Second Rx VLAN Setup Example ..............................................249
Chapter 21
Load Balancing.....................................................................................................................253
21.1 Overview ..........................................................................................................................253
21.1.1 What You Need to Know About Load Balancing ....................................................253
21.2 The Load Balancing Screen ............................................................................................ 255
21.2.1 Disassociating and Delaying Connections .............................................................256
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Chapter 22
Dynamic Channel Selection.................................................................................................259
22.1 Overview ..........................................................................................................................259
22.2 The DCS Screen .............................................................................................................260
Chapter 23
Maintenance..........................................................................................................................263
23.1 Overview ..........................................................................................................................263
23.1.1 What You Can Do in the Maintenance Screens .....................................................263
23.1.2 What You Need To Know ....................................................................................... 263
23.2 System Status Screen .....................................................................................................264
23.2.1 System Statistics Screen ........................................................................................ 265
23.3 Association List Screen ...................................................................................................266
23.4 Channel Usage Screen ................................................................................................... 267
23.5 F/W Upload Screen .........................................................................................................268
23.6 Configuration Screen .......................................................................................................270
23.6.1 Backup Configuration ............................................................................................. 270
23.6.2 Restore Configuration ........................................................................................... 271
23.6.3 Back to Factory Defaults ........................................................................................ 272
23.7 Restart Screen ................................................................................................................. 272
Chapter 24
Troubleshooting....................................................................................................................275
24.1 Overview ..........................................................................................................................275
24.2 Power, Hardware Connections, and LEDs ...................................................................... 275
24.3 NWA Access and Login ................................................................................................... 276
24.4 Internet Access ................................................................................................................ 279
24.5 Wireless Router/AP Troubleshooting ...............................................................................280
Appendix A Product Specifications.......................................................................................281
Appendix B Wireless LANs ..................................................................................................285
Appendix C Pop-up Windows, JavaScripts and Java Permissions......................................301
Appendix D IP Addresses and Subnetting...........................................................................309
Appendix E Text File Based Auto Configuration...................................................................331
Appendix F How to Access and Use the CLI .......................................................................339
Appendix G Legal Information..............................................................................................345
Appendix H Customer Support.............................................................................................349
Index.......................................................................................................................................357
15
PART I
Introduction
Introduction (17)
The Web Configurator (31)
Tutorials (35)
16
NWA-3160 Series User’s Guide
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CHAPTER 1
Introduction
Note: The NWA-3160 Series includes the NWA-3160 and the NWA-3163. Illustrations
used throughout this book are based on the NWA-3163.
1.1 Overview
Your NWA extends the range of your existing wired network without additional
wiring, providing easy network access to mobile users.
It is highly versatile, featuring dual wireless modules and supporting up to sixteen
Basic Service Set Identifiers (BSSID) simultaneously. The Quality of Service (QoS)
features allow you to prioritize time-sensitive or highly important applications
such as Voice over Internet Protocol (VoIP).
Multiple security profiles allow you to easily assign different types of security to
groups of users. The NWA controls network access with Media Access Control
(MAC) address filtering, rogue Access Point (AP) detection, layer 2 isolation and an
internal authentication server. It also provides a high level of network traffic
security, supporting Institute of Electronic Engineers (IEEE) 802.1x, Wi-Fi
Protected Access (WPA), WPA2 and Wired Equivalent Privacy (WEP) data
encryption.
Your NWA is easy to install, configure and use. The embedded Web-based
configurator enables simple, straightforward management and maintenance.
See the Quick Start Guide for instructions on how to make hardware connections.
Chapter 1 Introduction
NWA-3160 Series User’s Guide
18
1.2 Applications for the NWA
The NWA can be configured to use the following WLAN operating modes
• Access Point
•Bridge / Repeater
•AP + Bridge
•MBSSID
Applications for each operating mode are shown below.
Note: A different channel should be configured for each WLAN interface to reduce the
effects of radio interference.
1.2.1 Access Point
The NWA is an ideal access solution for wireless Internet connection. A typical
Internet access application for your NWA is shown as follows. Stations A, B and C
can access the wired network through the NWAs.
Figure 1 Access Point Application
AP1
AP2
BSS1
A
B
BSS2
Chapter 1 Introduction
NWA-3160 Series User’s Guide
19
1.2.2 Bridge / Repeater
The NWA can act as a wireless network bridge and establish wireless links with
other APs. In the figure below, the two NWAs (A and B) are connected to
independent wired networks and have a bridge connection (A can communicate
with B) at the same time. A NWA in repeater mode (C) has no Ethernet
connection. When the NWA is in bridge mode, you should enable Spanning Tree
Protocol (STP) to prevent bridge loops.
When the NWA is in Bridge / Repeater mode, security between APs (the Wireless
Distribution System or WDS) is independent of the security between the wireless
stations and the AP. If you do not enable WDS security, traffic between APs is not
encrypted. When WDS security is enabled, both APs must use the same pre-
shared key. See Section 8.2.2 on page 118 for more details.
Once the security settings of peer sides match one another, the connection
between devices is made.
At the time of writing, WDS security is compatible with other ZyXEL access points
only. Refer to your other access point’s documentation for details.
Figure 2 Bridge Application
Chapter 1 Introduction
NWA-3160 Series User’s Guide
20
Figure 3 Repeater Application
1.2.2.1 Bridge / Repeater Mode Example
In the example below, when both NWAs are in Bridge/Repeater mode, they form a
WDS (Wireless Distribution System) allowing the computers in LAN 1 to connect to
the computers in LAN 2.
Figure 4 Bridging Example
Be careful to avoid bridge loops when you enable bridging in the NWA. Bridge
loops cause broadcast traffic to circle the network endlessly, resulting in possible
/