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ZyXEL NWA-3160 Series User’s Guide
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CHAPTER 28
Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The potential
problems are divided into the following categories.
• Power, Hardware Connections, and LEDs
• ZyXEL Device Access and Login
• Internet Access
• Wireless Router/AP Troubleshooting
28.1 Power, Hardware Connections, and LEDs
V The ZyXEL Device does not turn on. None of the LEDs turn on.
1 Make sure you are using the power adaptor or cord included with the ZyXEL Device.
2 Make sure the power adaptor or cord is connected to the ZyXEL Device and plugged in
to an appropriate power source. Make sure the power source is turned on.
3 Disconnect and re-connect the power adaptor or cord to the ZyXEL Device.
4 If the problem continues, contact the vendor.
V One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section 1.7 on page 39.
2 Check the hardware connections. See the Quick Start Guide.
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4 Disconnect and re-connect the power adaptor to the ZyXEL Device.
5 If the problem continues, contact the vendor.
- NWA-3160 Series 1
- About This User's Guide 3
- Document Conventions 4
- Icons Used in Figures 5
- Safety Warnings 6
- Safety Warnings 7
- Contents Overview 10
- Table of Contents 11
- Chapter 9 14
- List of Figures 21
- List of Tables 27
- Introduction 31
- CHAPTER 1 33
- 1.2.1 Access Point 34
- Figure 2 Bridge Application 35
- 1.2.4 MBSSID 36
- Figure 5 Multiple BSSs 37
- 1.6 Hardware Connections 39
- 1.7 LEDs 39
- Figure 7 LEDs 40
- Table 2 LEDs 40
- Table 2 LEDs (continued) 41
- CHAPTER 2 43
- CHAPTER 3 47
- Chapter 3 Tutorial 48
- Chapter 3 Tutorial 49
- 3.1.3 Further Reading 50
- Figure 31 Tutorial: Warning 64
- 3.3.3 Set Up E-mail Logs 65
- 3.3.5 Test the Setup 66
- 3.4.1 Scenario 67
- 3.4.2 Your Requirements 67
- 3.4.3 Setup 68
- CHAPTER 4 75
- Chapter 4 Status Screens 76
- Figure 42 The Status Screen 76
- Table 10 The Status Screen 76
- Chapter 4 Status Screens 77
- CHAPTER 5 79
- 5.1.2 CAPWAP and DHCP 80
- 5.1.3 CAPWAP and IP Subnets 80
- 5.1.4 Notes on CAPWAP 81
- Chapter 5 Management Mode 82
- CHAPTER 6 83
- Figure 47 AP List Status 84
- Figure 48 AP Statistics 85
- Table 13 AP List Status 85
- Table 14 AP Statistics 85
- 6.2 Navigation Bar 87
- 6.3 The Controller Screens 88
- 6.4 The Profile Edit Screens 92
- The Web 97
- Configurator 97
- CHAPTER 7 99
- Chapter 7 System Screens 100
- Chapter 7 System Screens 101
- Table 24 Password 101
- CHAPTER 8 105
- 8.2 Wireless LAN Basics 106
- 8.3 Quality of Service 107
- 8.3.3 ATC+WMM 108
- 8.3.4 Type Of Service (ToS) 109
- 8.4.1 Rapid STP 110
- 8.4.2 STP Terminology 111
- 8.4.3 How STP Works 111
- 8.5 DFS 112
- 8.6 Wireless Screen Overview 112
- Figure 65 Bridging Example 117
- 8.7.5 MBSSID Mode 121
- CHAPTER 9 123
- 9.2 802.1x Overview 124
- 9.4 Introduction to WPA 124
- 9.4.1 User Authentication 125
- 9.4.2 Encryption 125
- 9.6 Security Modes 127
- 9.9 Configuring Security 128
- 9.9.1 Security: WEP 129
- 9.9.2 Security: 802.1x Only 130
- RADIUS server has priority 132
- 9.9.4 Security: WPA 133
- 9.10 Introduction to RADIUS 136
- 9.11 Configuring RADIUS 136
- Table 47 RADIUS 137
- CHAPTER 10 139
- Chapter 10 MBSSID and SSID 140
- Chapter 10 MBSSID and SSID 141
- 10.2 SSID 142
- 10.2.2 Configuring SSID 143
- Figure 84 Configuring SSID 144
- Table 50 Configuring SSID 144
- CHAPTER 11 147
- LABEL DESCRIPTION 149
- Device (A) 150
- 00:00:c5:00:00:66 151
- 00:00:c5:00:00:cc 151
- 11.4 The MAC Filter Screen 152
- Configuration screen 153
- 11.5 Configuring Roaming 154
- Figure 93 Roaming Example 155
- Figure 94 Roaming 156
- CHAPTER 12 157
- Chapter 12 IP Screen 158
- Figure 95 IP Setup 158
- Table 56 IP Setup 158
- CHAPTER 13 159
- 13.2.1 “Honeypot” Attack 160
- 3163 Only) 161
- 13.3.2 Rogue AP: Friendly AP 162
- 13.3.3 Rogue AP List 163
- Chapter 13 Rogue AP 164
- CHAPTER 14 165
- 14.2 Configuring Telnet 166
- 14.3 Configuring FTP 167
- 14.4 Configuring WWW 168
- 14.5 SNMP 169
- 14.5.1 Supported MIBs 170
- 14.5.2 SNMP Traps 171
- 14.6.1 SNMP v3 and Security 172
- 14.6.2 Configuring SNMP 172
- CHAPTER 15 177
- 15.3 Trusted AP Overview 179
- 15.4 Configuring Trusted AP 180
- Table 69 Trusted AP 181
- Table 70 Trusted Users 182
- CHAPTER 16 183
- 16.3 Verifying a Certificate 184
- 16.4 Configuration Summary 185
- 16.5 My Certificates 185
- Chapter 16 Certificates 186
- Figure 114 My Certificates 186
- Table 71 My Certificates 186
- Chapter 16 Certificates 187
- 16.7 Importing a Certificate 188
- 16.8 Creating a Certificate 189
- 16.9 My Certificate Details 191
- 16.10 Trusted CAs 194
- Table 75 Trusted CAs 195
- Table 76 Trusted CA Import 196
- Table 77 Trusted CA Details 197
- CHAPTER 17 201
- Chapter 17 Log Screens 202
- Table 78 View Log 202
- Chapter 17 Log Screens 203
- Figure 122 Log Settings 203
- Table 79 Log Settings 203
- 17.3 Example Log Messages 204
- Table 81 ICMP Notes 205
- 17.4 Log Commands 206
- 17.5 Log Command Example 207
- CHAPTER 18 209
- 18.2 Configuring VLAN 210
- Chapter 18 VLAN 211
- Figure 123 WIRELESS VLAN 211
- Table 84 WIRELESS VLAN 211
- 18.2.2 RADIUS VLAN 212
- Table 85 RADIUS VLAN 213
- Chapter 18 VLAN 214
- Figure 129 VLAN Setup 215
- CHAPTER 19 227
- 19.3 Association List 228
- Chapter 19 Maintenance 229
- Figure 148 Association List 229
- Figure 149 Channel Usage 229
- Table 89 Association List 229
- 19.5 F/W Upload Screen 230
- Table 91 Firmware Upload 231
- 19.6 Configuration Screen 232
- 19.7 Restart Screen 234
- PART III 235
- CHAPTER 20 237
- 20.2.2 Entering the Password 238
- Figure 161 Password Screen 239
- Figure 162 Login Screen 239
- Table 94 Main Menu Commands 241
- Figure 164 SMT Main Menu 242
- Table 95 Main Menu Summary 242
- CHAPTER 21 243
- Chapter 21 General Setup 244
- ESC] at any time to cancel 244
- CHAPTER 22 245
- Chapter 22 LAN Setup 246
- CHAPTER 23 247
- Chapter 23 SNMP Configuration 248
- CHAPTER 24 249
- Chapter 24 System Password 250
- CHAPTER 25 251
- 25.2 System Information 253
- 25.3 Log and Trace 254
- 25.4 Diagnostic 255
- Device and the connections 256
- CHAPTER 26 257
- 26.2 Backup Configuration 258
- 26.3 Restore Configuration 260
- 26.3.2 TFTP File Upload 261
- 26.3.3 Example: TFTP Command 262
- CHAPTER 27 263
- 27.1.1 Command Syntax 264
- 27.1.2 Command Usage 264
- 27.2 Time and Date Setting 265
- 27.3 Remote Management Setup 266
- 27.3.2 FTP 267
- 27.3.3 Web 267
- 27.4 System Timeout 269
- CHAPTER 28 271
- V I forgot the password 272
- V I cannot access the SMT 273
- 28.3 Internet Access 274
- Chapter 28 Troubleshooting 275
- Chapter 28 Troubleshooting 276
- CHAPTER 29 277
- Wall-mounting Instructions 280
- Power Adaptor Specifications 281
- 123456 78 283
- Appendices and 285
- APPENDIX A 287
- Installing Components 288
- Configuring 289
- Windows 2000/NT/XP 290
- Macintosh OS 8/9 294
- Macintosh OS X 296
- Verifying Settings 297
- APPENDIX B 299
- Appendix B Wireless LANs 300
- Appendix B Wireless LANs 301
- Fragmentation Threshold 302
- Preamble Type 303
- IEEE 802.11g Wireless LAN 303
- Wireless Security Overview 303
- IEEE 802.1x 304
- Types of EAP Authentication 305
- PEAP (Protected EAP) 306
- Dynamic WEP Key Exchange 307
- WPA and WPA2 307
- Encryption 308
- User Authentication 308
- Security Parameters Summary 310
- Antenna Overview 310
- Antenna Characteristics 311
- Types of Antennas for WLAN 311
- Positioning Antennas 311
- APPENDIX C 313
- JavaScripts 316
- Java Permissions 317
- JAVA (Sun) 318
- APPENDIX D 319
- Subnet Masks 320
- Notation 321
- Subnetting 322
- Example: Four Subnets 323
- Example: Eight Subnets 324
- Subnet Planning 325
- Configuring IP Addresses 326
- APPENDIX E 327
- Auto Configuration by DHCP 328
- Manual Configuration 328
- Configuration Via SNMP 328
- Configuration File Format 329
- APPENDIX F 335
- ZyXEL Limited Warranty 337
- Appendix F Legal Information 338
- APPENDIX G 339
- Appendix G Customer Support 340
- [Document Title] 340
- Appendix G Customer Support 341
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