Zyxel-communications 802.11b/g Wireless Access Point NWA-1100 Manual de usuario Pagina 129
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ZyXEL NWA-1100 User’s Guide
129
CHAPTER 15
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
15.1 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 32.
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.
15.2 ZyXEL Device Access and Login
V I forgot the IP address for the ZyXEL Device.
- NWA-1100 1
- About This User's Guide 3
- Document Conventions 4
- Icons Used in Figures 5
- Safety Warnings 6
- Safety Warnings 7
- Contents Overview 10
- ZyXEL NWA-1100 User’s Guide 10
- Table of Contents 11
- List of Figures 17
- List of Tables 21
- Introduction 23
- CHAPTER 1 25
- 1.2.2 Wireless Client 26
- 1.2.3 Bridge 27
- Figure 4 Bridging Example 28
- 1.2.4 AP + Bridge 29
- 1.4.2 Wireless Security 31
- 1.6 Hardware Connections 32
- 1.7 LEDs 32
- Table 1 LEDs (continued) 33
- CHAPTER 2 35
- CHAPTER 3 39
- Chapter 3 Status Screens 40
- Table 2 The Status Screen 40
- Chapter 3 Status Screens 41
- CHAPTER 4 43
- 4.1.3 Further Reading 44
- 4.2.1 Scenario 45
- Chapter 4 Tutorial 46
- Chapter 4 Tutorial 47
- Figure 18 Site Survey 48
- The Web 51
- Configurator 51
- CHAPTER 5 53
- Chapter 5 System Screens 54
- 5.4 General Screen 55
- 5.5 Time Screen 56
- Chapter 5 System Screens 57
- Figure 25 System: Time 57
- Table 7 System: Time 57
- 5.6 Technical Reference 58
- CHAPTER 6 61
- 6.4 Wireless Settings Screen 63
- 6.4.2 Wireless Client Mode 65
- 6.4.3 Bridge Mode 68
- Table 11 Wireless: Bridge 69
- 6.4.4 AP + Bridge Mode 70
- 6.5 Technical Reference 71
- Table 12 STP Path Costs 72
- Table 13 STP Port States 72
- CHAPTER 7 75
- 7.4 The Security Screen 77
- 7.4.1 Security: WEP 78
- 7.4.2 Security: 802.1x Only 79
- RADIUS server has priority 82
- 7.4.4 Security: WPA 83
- 7.4.4.2 Wireless Client 84
- 7.4.5.2 Wireless Client 86
- 7.5 Technical Reference 87
- CHAPTER 8 89
- 8.4 The RADIUS Screen 90
- Chapter 8 RADIUS Screen 91
- Chapter 8 RADIUS Screen 92
- CHAPTER 9 93
- 9.4 MAC Filter Screen 94
- Chapter 9 MAC Filter Screen 95
- Chapter 9 MAC Filter Screen 96
- CHAPTER 10 97
- 10.4 IP Screen 98
- 10.5 Technical Reference 99
- Chapter 10 IP Screen 100
- CHAPTER 11 101
- Chapter 11 Remote Management 102
- Chapter 11 Remote Management 103
- 11.4 The Telnet Screen 104
- 11.5 The FTP Screen 104
- 11.6 The WWW Screen 105
- 11.7 The SNMP Screen 106
- 11.8 Technical Reference 108
- Table 33 SNMP Traps 109
- CHAPTER 12 111
- 12.4 Certificate Screen 112
- 12.5 Technical Reference 112
- Chapter 12 Certificate Screen 114
- CHAPTER 13 115
- 13.4 View Log Screen 116
- 13.5 Log Settings Screen 117
- 13.6 Technical Reference 118
- 13.7 Log Commands 119
- 13.7.2 Displaying Logs 120
- 13.7.3 Command List 120
- CHAPTER 14 121
- 14.5 Channel Usage Screen 122
- 14.6 F/W Upload Screen 123
- 14.7 Configuration Screen 124
- 14.7.1 Backup Configuration 125
- Chapter 14 Maintenance 126
- 14.8 Restart Screen 127
- CHAPTER 15 129
- V I forgot the password 130
- 15.3 Internet Access 131
- Chapter 15 Troubleshooting 132
- PART III 133
- APPENDIX A 135
- APPENDIX B 137
- APPENDIX C 139
- APPENDIX D 141
- Installing Components 142
- Configuring 143
- Windows 2000/NT/XP 144
- Macintosh OS 8/9 148
- Macintosh OS X 150
- Verifying Settings 151
- APPENDIX E 153
- Appendix E Wireless LANs 154
- Figure 87 Basic Service Set 154
- Appendix E Wireless LANs 155
- Figure 89 RTS/CTS 156
- Fragmentation Threshold 157
- Preamble Type 157
- IEEE 802.11g Wireless LAN 157
- Wireless Security Overview 158
- IEEE 802.1x 158
- Types of EAP Authentication 159
- PEAP (Protected EAP) 160
- Dynamic WEP Key Exchange 161
- WPA and WPA2 161
- Encryption 162
- User Authentication 163
- Security Parameters Summary 165
- Antenna Overview 165
- Antenna Characteristics 165
- Types of Antennas for WLAN 166
- Positioning Antennas 166
- APPENDIX F 167
- JavaScripts 170
- Java Permissions 171
- JAVA (Sun) 172
- APPENDIX G 173
- Subnet Masks 174
- Notation 175
- Subnetting 176
- Example: Four Subnets 177
- Example: Eight Subnets 178
- Subnet Planning 179
- Configuring IP Addresses 180
- APPENDIX H 181
- Auto Configuration by DHCP 182
- Configuration Via SNMP 182
- Configuration File Format 183
- APPENDIX I 187
- Command Conventions 188
- Saving Your Configuration 190
- Logging Out 190
- APPENDIX J 191
- ZyXEL Limited Warranty 193
- Appendix J Legal Information 194
- APPENDIX K 195
- Appendix K Customer Support 196
- Appendix K Customer Support 197
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