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Chapter 1 Introducing the ZyXEL Device
ZyXEL NWA-1100 User’s Guide
28
Figure 4 Bridging Example
Be careful to avoid bridge loops when you enable bridging in the ZyXEL Device. Bridge loops
cause broadcast traffic to circle the network endlessly, resulting in possible throughput
degradation and disruption of communications. The following examples show two network
topologies that can lead to this problem:
• If two or more ZyXEL Devices (in bridge mode) are connected to the same hub.
Figure 5 Bridge Loop: Two Bridges Connected to Hub
• If your ZyXEL Device (in bridge mode) is connected to a wired LAN while
communicating with another wireless bridge that is also connected to the same wired
LAN.
- 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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