ZyXEL Communications NWA3550 User manual

www.zyxel.com

NWA-3500/NWA-3550

802.11a/g Dual Radio Wireless Business AP

802.11a/g Dual Radio Outdoor WLAN Business AP

ZyXEL Communications Corporation

Firmware Version 3.7

Edition 1, 1/2009

Default Login Details

IP Address http://192.168.1.2

Password 1234

About This User's Guide

NWA-3500/NWA-3550 User’s Guide

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About This User's Guide

Intended Audience

This manual is intended for people who want to configure the NWA 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.

Note: It is recommended you use the web configurator to configure the NWA.

• 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’s Guide Feedback

Help us help you. Send all User’s 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

About This User's Guide

NWA-3500/NWA-3550 User’s Guide

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Customer Support

In the event of problems that cannot be solved by using this manual, you should

contact your vendor. If you cannot contact your vendor, then contact a ZyXEL

office for the region in which you bought the device. See http://www.zyxel.com/

web/contact_us.php for contact information. Please have the following information

ready when you contact an office.

• Product model and serial number.

•Warranty Information.

• Date that you received your device.

• Brief description of the problem and the steps you took to solve it.

Document Conventions

NWA-3500/NWA-3550 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 NWA.

Note: Notes tell you other important information (for example, other things you may

need to configure or helpful tips) or recommendations.

Syntax Conventions

• The NWA-3500 or the NWA-3550 may be referred to as the “NWA”, the “device”,

the “system” or the “product” 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”.

Document Conventions

NWA-3500/NWA-3550 User’s Guide

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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 NWA.

Table 1 Common Icons

NWA Computer Notebook

Server Printer Telephone

Switch Router Internet Cloud

Firewall DSLAM Wireless Signal

Safety Warnings

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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 it 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 device and the power

source.

• 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.

• Please select an antenna that conforms with your local radio regulations. ZyXEL bears no

responsibility whatsoever for cases of illegal installation.

Your product is marked with this symbol, which is known as the WEEE mark. WEEE

stands for Waste Electronics and Electrical Equipment. It means that used electrical

and electronic products should not be mixed with general waste. Used electrical and

electronic equipment should be treated separately.

Safety Warnings

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Contents Overview

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Contents Overview

Introduction ............................................................................................................................ 21

Introducing the NWA .................................................................................................................. 23

Introducing the Web Configurator .............................................................................................. 35

Status Screens .......................................................................................................................... 39

Management Mode .................................................................................................................... 47

Controller AP Mode ................................................................................................................... 53

Tutorial ....................................................................................................................................... 67

The Web Configurator .........................................................................................................107

System Screens ...................................................................................................................... 109

Wireless Configuration .............................................................................................................119

SSID Screen ............................................................................................................................ 141

Wireless Security Screen ........................................................................................................ 147

RADIUS Screen ....................................................................................................................... 161

Layer-2 Isolation Screen .......................................................................................................... 165

MAC Filter Screen ................................................................................................................... 171

IP Screen ................................................................................................................................. 175

Rogue AP Detection ................................................................................................................ 179

Remote Management Screens ................................................................................................ 187

Internal RADIUS Server .......................................................................................................... 199

Certificates ............................................................................................................................... 207

Log Screens ............................................................................................................................ 227

VLAN ....................................................................................................................................... 235

Load Balancing ........................................................................................................................ 255

Dynamic Channel Selection .................................................................................................... 261

Maintenance ............................................................................................................................ 265

Troubleshooting and Specifications ..................................................................................277

Troubleshooting ....................................................................................................................... 279

Product Specifications ............................................................................................................. 285

Appendices and Index .........................................................................................................291

Contents Overview

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Table of Contents

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Table of Contents

About This User's Guide ..........................................................................................................3

Document Conventions............................................................................................................5

Safety Warnings........................................................................................................................7

Contents Overview ...................................................................................................................9

Table of Contents....................................................................................................................11

Part I: Introduction................................................................................. 21

Chapter 1

Introducing the NWA .............................................................................................................. 23

1.1 Introducing the NWA ........................................................................................................... 23

1.2 Applications for the NWA ..................................................................................................... 23

1.2.1 Access Point .............................................................................................................. 24

1.2.2 Bridge / Repeater ....................................................................................................... 24

1.2.3 AP + Bridge ................................................................................................................ 25

1.2.4 MBSSID ..................................................................................................................... 26

1.2.5 Pre-Configured SSID Profiles .................................................................................... 27

1.2.6 Configuring Dual WLAN Adaptors .............................................................................. 28

1.3 CAPWAP ............................................................................................................................. 28

1.4 Ways to Manage the NWA ................................................................................................... 29

1.5 Configuring Your NWA’s Security Features ......................................................................... 30

1.5.1 Control Access to Your Device ................................................................................... 30

1.5.2 Wireless Security ....................................................................................................... 30

1.6 Maintaining Your NWA ......................................................................................................... 31

1.7 Hardware Connections ........................................................................................................ 31

1.8 LEDs .................................................................................................................................... 32

Chapter 2

Introducing the Web Configurator ........................................................................................ 35

2.1 Accessing the Web Configurator ......................................................................................... 35

2.2 Resetting the NWA .............................................................................................................. 37

2.2.1 Methods of Restoring Factory-Defaults ...................................................................... 37

2.3 Navigating the Web Configurator ......................................................................................... 37

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Chapter 3

Status Screens ........................................................................................................................ 39

3.1 The Status Screen ............................................................................................................... 40

3.1.1 AP List ........................................................................................................................ 44

3.1.2 AP Statistics ............................................................................................................... 45

3.1.3 SSID Information ........................................................................................................ 46

Chapter 4

Management Mode.................................................................................................................. 47

4.1 About CAPWAP ................................................................................................................... 47

4.1.1 CAPWAP Discovery and Management ...................................................................... 48

4.1.2 CAPWAP and DHCP .................................................................................................. 48

4.1.3 CAPWAP and IP Subnets .......................................................................................... 48

4.1.4 Notes on CAPWAP .................................................................................................... 49

4.2 The Management Mode Screen .......................................................................................... 49

Chapter 5

Controller AP Mode ................................................................................................................53

5.1 Overview .............................................................................................................................. 53

5.1.1 What You Can Do in AP Controller Mode .................................................................. 53

5.1.2 What You Need to Know ............................................................................................ 53

5.1.3 Before You Begin ....................................................................................................... 54

5.2 Controller AP Navigation Menu ........................................................................................... 54

5.3 Controller AP Status Screen ................................................................................................55

5.4 AP List Screen ..................................................................................................................... 57

5.4.1 The AP Lists Edit Screen ........................................................................................... 59

5.5 Configuration Screen ........................................................................................................... 60

5.6 Redundancy Screen ............................................................................................................ 61

5.7 The Profile Edit Screens ...................................................................................................... 62

5.7.1 The Radio Profile Screen ........................................................................................... 62

5.8 The Radio Profile Edit Screen ............................................................................................. 64

Chapter 6

Tutorial ..................................................................................................................................... 67

6.1 How to Configure the Wireless LAN .................................................................................... 67

6.1.1 Choosing the Wireless Mode ..................................................................................... 67

6.1.1.1 Configuring Dual WLAN Adaptors .................................................. 68

6.1.2 Wireless LAN Configuration Overview ....................................................................... 68

6.1.3 Further Reading ......................................................................................................... 70

6.2 How to Configure Multiple Wireless Networks ..................................................................... 70

6.2.1 Change the Operating Mode ...................................................................................... 72

6.2.2 Configure the VoIP Network ....................................................................................... 73

6.2.2.1 Set Up Security for the VoIP Profile ................................................ 75

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6.2.2.2 Activate the VoIP Profile ................................................................. 77

6.2.3 Configure the Guest Network ..................................................................................... 77

6.2.3.1 Set Up Security for the Guest Profile .............................................. 78

6.2.3.2 Set up Layer 2 Isolation .................................................................. 80

6.2.3.3 Activate the Guest Profile ............................................................... 82

6.2.4 Testing the Wireless Networks ................................................................................... 82

6.3 How to Set Up and Use Rogue AP Detection ..................................................................... 83

6.3.1 Set Up and Save a Friendly AP list ............................................................................ 85

6.3.2 Activate Periodic Rogue AP Detection ....................................................................... 88

6.3.3 Set Up E-mail Logs .................................................................................................... 89

6.3.4 Configure Your Other Access Points .......................................................................... 90

6.3.5 Test the Setup ............................................................................................................ 90

6.4 How to Use Multiple MAC Filters and L-2 Isolation Profiles ................................................ 91

6.4.1 Scenario ..................................................................................................................... 91

6.4.2 Your Requirements ..................................................................................................... 92

6.4.3 Setup .......................................................................................................................... 92

6.4.4 Configure the SERVER_1 Network ............................................................................ 93

6.4.5 Configure the SERVER_2 Network ............................................................................ 96

6.4.6 Checking your Settings and Testing the Configuration .............................................. 96

6.4.6.1 Checking Settings ........................................................................... 96

6.4.6.2 Testing the Configuration ................................................................ 98

6.5 How to Configure Management Modes ............................................................................... 99

6.5.1 Scenario ..................................................................................................................... 99

6.5.2 Your Requirements ..................................................................................................... 99

6.5.3 Setup ........................................................................................................................ 100

6.5.4 Configure Your NWA in Controller AP Mode ............................................................ 101

6.5.4.1 Secondary AP Controller .............................................................. 101

6.5.4.2 Primary AP Controller ................................................................... 102

6.5.5 Setting Your NWA in Managed AP Mode ................................................................. 103

6.5.6 Configuring the Managed Access Points List ........................................................... 104

6.5.7 Checking your Settings and Testing the Configuration ............................................ 106

Part II: The Web Configurator ............................................................. 107

Chapter 7

System Screens .................................................................................................................... 109

7.1 Overview ............................................................................................................................ 109

7.2 What You Can Do in the System Screens ......................................................................... 109

7.3 What You Need To Know ....................................................................................................110

7.3.1 Administrator Authentication on RADIUS ..................................................................111

7.4 General Setup Screen ........................................................................................................112

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7.5 Configuring the Password ..................................................................................................113

7.6 Configuring Time Setting ...................................................................................................116

7.7 Technical Reference ...........................................................................................................118

Chapter 8

Wireless Configuration......................................................................................................... 119

8.1 Overview .............................................................................................................................119

8.2 What You Can Do in the Wireless Screen ..........................................................................119

8.3 What You Need To Know ................................................................................................... 120

8.3.1 Operating Mode ....................................................................................................... 121

8.3.2 MBSSID ...................................................................................................................122

8.4 Configuring Wireless Settings ........................................................................................... 123

8.4.1 Access Point Mode .................................................................................................. 123

8.4.2 Bridge / Repeater Mode ........................................................................................... 126

8.4.3 AP + Bridge Mode .................................................................................................... 129

8.4.4 MBSSID Mode ......................................................................................................... 130

8.5 Technical Reference .......................................................................................................... 131

8.5.1 Spanning Tree Protocol (STP) ................................................................................. 131

8.5.1.1 Rapid STP .................................................................................... 131

8.5.1.2 STP Terminology .......................................................................... 132

8.5.1.3 How STP Works ........................................................................... 132

8.5.1.4 STP Port States ............................................................................ 133

8.5.2 DFS .......................................................................................................................... 133

8.5.3 Roaming ................................................................................................................... 133

8.5.3.1 Requirements for Roaming ........................................................... 135

8.5.4 Bridge / Repeater Example ...................................................................................... 136

8.5.5 Quality of Service ..................................................................................................... 137

8.5.6 WMM QoS ................................................................................................................ 137

8.5.6.1 WMM QoS Priorities ..................................................................... 138

8.5.7 ATC .......................................................................................................................... 138

8.5.8 ATC+WMM ............................................................................................................... 139

8.5.8.1 ATC+WMM from LAN to WLAN .................................................... 139

8.5.8.2 ATC+WMM from WLAN to LAN .................................................... 140

Chapter 9

SSID Screen...........................................................................................................................141

9.1 Overview ............................................................................................................................ 141

9.2 What You Can Do in the SSID Screen .............................................................................. 141

9.3 What You Need To Know ................................................................................................... 142

9.4 The SSID Screen ............................................................................................................... 143

9.4.1 Configuring SSID ..................................................................................................... 144

Chapter 10

Wireless Security Screen..................................................................................................... 147

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10.1 Overview .......................................................................................................................... 147

10.2 What You Can Do in the Security Screen ........................................................................ 147

10.3 What You Need To Know ................................................................................................. 148

10.4 The Security Screen ........................................................................................................ 150

10.4.1 Security: WEP ........................................................................................................ 151

10.4.2 Security: 802.1x Only ............................................................................................. 153

10.4.3 Security: 802.1x Static 64-bit, 802.1x Static 128-bit ............................................... 154

10.4.4 Security: WPA ........................................................................................................ 155

10.4.5 Security: WPA2 or WPA2-MIX ................................................................................ 156

10.4.6 Security: WPA-PSK, WPA2-PSK, WPA2-PSK-MIX ................................................ 158

10.5 Technical Reference ........................................................................................................ 159

Chapter 11

RADIUS Screen .....................................................................................................................161

11.1 Overview .......................................................................................................................... 161

11.2 What You Can Do in the RADIUS Screen ....................................................................... 161

11.3 What You Need To Know ................................................................................................. 162

11.4 The RADIUS Screen ........................................................................................................ 163

Chapter 12

Layer-2 Isolation Screen ......................................................................................................165

12.1 Overview .......................................................................................................................... 165

12.2 What You Can Do in the Layer-2 Isolation Screen .......................................................... 166

12.3 What You Need To Know ................................................................................................. 166

12.4 The Layer-2 Isolation Screen .......................................................................................... 167

12.4.1 Configuring Layer-2 Isolation ................................................................................. 167

12.5 Technical Reference ........................................................................................................ 169

Chapter 13

MAC Filter Screen .................................................................................................................171

13.1 Overview .......................................................................................................................... 171

13.2 What You Can Do in the MAC Filter Screen .................................................................... 171

13.3 What You Should Know About MAC Filter ....................................................................... 172

13.4 The MAC Filter Screen .................................................................................................... 172

13.4.1 Configuring the MAC Filter ..................................................................................... 173

Chapter 14

IP Screen................................................................................................................................ 175

14.1 Overview .......................................................................................................................... 175

14.2 What You Can Do in the IP Screen ................................................................................. 175

14.3 What You Need To Know About IP .................................................................................. 176

14.4 The IP Screen .................................................................................................................. 176

14.5 Technical Reference ........................................................................................................ 177

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14.5.1 WAN IP Address Assignment ................................................................................. 177

Chapter 15

Rogue AP Detection .............................................................................................................179

15.1 Overview .......................................................................................................................... 179

15.2 What You Can Do in the Rogue AP Screen .................................................................... 180

15.3 What You Need To Know ................................................................................................. 180

15.3.1 Configuration Screen ............................................................................................. 182

15.3.2 Friendly AP Screen ................................................................................................ 183

15.3.3 Rogue AP Screen .................................................................................................. 184

Chapter 16

Remote Management Screens.............................................................................................187

16.1 Overview .......................................................................................................................... 187

16.2 What You Can Do in the Remote Management Screens ................................................ 188

16.3 What You Need To Know ................................................................................................. 188

16.4 The Telnet Screen ........................................................................................................... 190

16.5 The FTP Screen .............................................................................................................. 191

16.6 The WWW Screen ........................................................................................................... 192

16.7 The SNMP Screen ...........................................................................................................194

16.8 Technical Reference ........................................................................................................ 195

16.8.1 MIB ......................................................................................................................... 195

16.8.2 Supported MIBs ..................................................................................................... 196

16.8.3 SNMP Traps ........................................................................................................... 196

Chapter 17

Internal RADIUS Server........................................................................................................ 199

17.1 Overview .......................................................................................................................... 199

17.2 What You Can Do in the Internal Radius Server Screens ............................................... 200

17.3 What You Need To Know ................................................................................................. 200

17.4 Internal RADIUS Server Setting Screen .......................................................................... 200

17.5 The Trusted AP Screen ................................................................................................... 202

17.6 The Trusted Users Screen ............................................................................................... 204

17.7 Technical Reference ........................................................................................................ 205

Chapter 18

Certificates ............................................................................................................................207

18.1 Overview .......................................................................................................................... 207

18.2 What You Can Do in the Certificates Screen ................................................................... 207

18.3 What You Need To Know ................................................................................................. 208

18.4 My Certificates Screen ....................................................................................................208

18.4.1 My Certificates Import Screen ................................................................................ 210

18.4.2 My Certificates Create Screen ................................................................................211

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18.4.3 My Certificates Details Screen ............................................................................... 214

18.5 Trusted CAs Screen ........................................................................................................218

18.5.1 Trusted CAs Import Screen .................................................................................... 219

18.5.2 Trusted CAs Details Screen ................................................................................... 220

18.6 Technical Reference ........................................................................................................ 223

18.6.1 Private-Public Certificates ...................................................................................... 224

18.6.2 Certification Authorities .......................................................................................... 224

18.6.3 Checking the Fingerprint of a Certificate on Your Computer .................................. 225

Chapter 19

Log Screens .......................................................................................................................... 227

19.1 Overview .......................................................................................................................... 227

19.2 What You Can Do in the Log Screens ............................................................................. 228

19.3 What You Need To Know ................................................................................................. 228

19.4 The View Log Screen ...................................................................................................... 228

19.5 The Log Settings Screen ................................................................................................. 229

19.6 Technical Reference ........................................................................................................ 232

19.6.1 Example Log Messages ......................................................................................... 232

19.6.2 Log Commands ...................................................................................................... 233

19.6.3 Configuring What You Want the NWA to Log ......................................................... 233

19.6.4 Displaying Logs ...................................................................................................... 234

19.6.5 Log Command Example ......................................................................................... 234

Chapter 20

VLAN ......................................................................................................................................235

20.1 Overview .......................................................................................................................... 235

20.2 What You Can Do in the VLAN Screen ........................................................................... 235

20.3 What You Need To Know About VLAN ............................................................................ 236

20.4 Wireless VLAN Screen .................................................................................................... 237

20.4.1 RADIUS VLAN Screen ........................................................................................... 239

20.5 Technical Reference ........................................................................................................ 240

20.5.1 VLAN Tagging ........................................................................................................ 240

20.5.2 Configuring Management VLAN Example ............................................................. 240

20.5.3 Configuring Microsoft’s IAS Server Example ......................................................... 243

20.5.3.1 Configuring VLAN Groups .......................................................... 244

20.5.3.2 Configuring Remote Access Policies .......................................... 245

20.5.4 Second Rx VLAN ID Example ................................................................................ 253

20.5.4.1 Second Rx VLAN Setup Example .............................................. 253

Chapter 21

Load Balancing ..................................................................................................................... 255

21.1 Overview .......................................................................................................................... 255

21.1.1 What You Need to Know About Load Balancing .................................................... 255

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21.2 The Load Balancing Screen ............................................................................................ 257

21.2.1 Disassociating and Delaying Connections ............................................................. 258

Chapter 22

Dynamic Channel Selection................................................................................................. 261

22.1 Overview .......................................................................................................................... 261

22.2 The DCS Screen ............................................................................................................. 262

Chapter 23

Maintenance .......................................................................................................................... 265

23.1 Overview .......................................................................................................................... 265

23.2 What You Can Do in the Maintenance Screens .............................................................. 265

23.3 What You Need To Know About the Maintenance Screens ............................................. 266

23.4 System Status Screen ..................................................................................................... 266

23.4.1 System Statistics Screen ........................................................................................ 266

23.5 Association List Screen ...................................................................................................268

23.6 Channel Usage Screen ................................................................................................... 269

23.7 F/W Upload Screen .........................................................................................................270

23.8 Configuration Screen ....................................................................................................... 272

23.8.1 Backup Configuration ............................................................................................. 272

23.8.2 Restore Configuration ........................................................................................... 273

23.8.3 Back to Factory Defaults ........................................................................................ 274

23.9 Restart Screen ................................................................................................................. 274

Part III: Troubleshooting and Specifications..................................... 277

Chapter 24

Troubleshooting....................................................................................................................279

24.1 Power and Hardware Connections .................................................................................. 279

24.2 NWA Access and Login ................................................................................................... 279

24.3 Internet Access ................................................................................................................ 281

24.4 Wireless Router/AP Troubleshooting ............................................................................... 283

Chapter 25

Product Specifications .........................................................................................................285

Part IV: Appendices and Index ........................................................... 291

Appendix A Setting Up Your Computer’s IP Address........................................................... 293

Appendix B Wireless LANs .................................................................................................. 319

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Appendix C Pop-up Windows, JavaScripts and Java Permissions......................................335

Appendix D Importing Certificates........................................................................................ 343

Appendix E IP Addresses and Subnetting ........................................................................... 369

Appendix F Text File Based Auto Configuration................................................................... 379

Appendix G Legal Information.............................................................................................. 387

Index....................................................................................................................................... 391

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