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ZyXEL G-1000 v2 User’s Guide
176
PEAP (Protected EAP)
Like EAP-TTLS, server-side certificate authentication is used to establish a secure connection,
then use simple username and password methods through the secured connection to
authenticate the clients, thus hiding client identity. However, PEAP only supports EAP
methods, such as EAP-MD5, EAP-MSCHAPv2 and EAP-GTC (EAP-Generic Token Card),
for client authentication. EAP-GTC is implemented only by Cisco.
LEAP
LEAP (Lightweight Extensible Authentication Protocol) is a Cisco implementation of IEEE
802.1x.
Dynamic WEP Key Exchange
The AP maps a unique key that is generated with the RADIUS server. This key expires when
the wireless connection times out, disconnects or reauthentication times out. A new WEP key
is generated each time reauthentication is performed.
If this feature is enabled, it is not necessary to configure a default encryption key in the
Wireless screen. You may still configure and store keys here, but they will not be used while
Dynamic WEP is enabled.
Note: EAP-MD5 cannot be used with Dynamic WEP Key Exchange
For added security, certificate-based authentications (EAP-TLS, EAP-TTLS and PEAP) use
dynamic keys for data encryption. They are often deployed in corporate environments, but for
public deployment, a simple user name and password pair is more practical. The following
table is a comparison of the features of authentication types.
WEP Authentication
Three different methods can be used to authenticate wireless stations to the network: Open
System, Shared Key, and Auto. The following figure illustrates the steps involved.
Table 85 Comparison of EAP Authentication Types
EAP-MD5 EAP-TLS EAP-TTLS PEAP LEAP
Mutual Authentication No Yes Yes Yes Yes
Certificate – Client No Yes Optional Optional No
Certificate – Server No Yes Yes Yes No
Dynamic Key Exchange No Yes Yes Yes Ye s
Credential Integrity None Strong Strong Strong Moderate
Deployment Difficulty Easy Hard Moderate Moderate Moderate
Client Identity Protection No No Yes Yes No
- ZyXEL G-1000 v2 1
- Copyright 3
- Interference Statements and 4
- Certifications 4
- Safety Warnings 6
- ZyXEL Limited Warranty 7
- Customer Support 8
- Customer Support 9 9
- ZyXEL G-1000 v2 User’s Guide 10
- 10 Customer Support 10
- Table of Contents 11
- Table of Contents 15 15
- 16 Table of Contents 16
- List of Figures 17
- 20 List of Figures 20
- List of Tables 21
- 24 List of Tables 24
- About This User's Guide 25
- Related Documentation 25
- User Guide Feedback 25
- Syntax Conventions 26
- Graphics Icons Key 26
- CHAPTER 1 27
- 1.2.2 Firmware Features 28
- CHAPTER 2 33
- 2.3 Resetting the G-1000 v2 34
- 2.4.1 Navigation Panel 35
- 2.4.2 Status Screen 36
- Figure 6 Status Screen 37
- Table 5 Status Screen 37
- Table 7 Association List 39
- CHAPTER 3 41
- 42 Chapter 3 Wizard Setup 42
- Chapter 3 Wizard Setup 43 43
- 44 Chapter 3 Wizard Setup 44
- Chapter 3 Wizard Setup 45 45
- 3.3.3 IP Address Assignment 46
- 3.3.4 Apply Settings 47
- 48 Chapter 3 Wizard Setup 48
- Figure 13 Wizard Completed 48
- CHAPTER 4 49
- 4.2.1 SSID 50
- 4.2.2 MAC Address Filter 50
- 4.2.3 User Authentication 50
- 4.2.4 Encryption 51
- 52 Chapter 4 Wireless LAN 52
- 4.4 Wireless LAN Screen 53
- 4.4.1 No Security 54
- 4.4.2 WEP Encryption 55
- 4.4.3 WEP Encryption Screen 55
- 4.4.4 WPA(2)-PSK 56
- Chapter 4 Wireless LAN 57 57
- 58 Chapter 4 Wireless LAN 58
- Figure 19 Wireless: WPA(2) 58
- Chapter 4 Wireless LAN 59 59
- Table 20 Wireless: WPA(2) 59
- 4.5 MAC Filter 60
- Chapter 4 Wireless LAN 61 61
- Table 21 MAC Address Filter 61
- ZyAIR LED 62
- CHAPTER 5 63
- 5.2 Configuring DNS 64
- Table 24 Network: Advanced 65
- CHAPTER 6 67
- 6.2 WWW 68
- 6.3 Telnet 69
- 6.4 Configuring Telnet 69
- 6.5 Configuring FTP 70
- 6.6 SNMP 71
- 6.6.1 Supported MIBs 72
- 6.6.2 SNMP Traps 73
- 6.6.3 Configuring SNMP 73
- CHAPTER 7 75
- 76 Chapter 7 System 76
- 7.2 Time Setting 77
- 78 Chapter 7 System 78
- Chapter 7 System 79 79
- 80 Chapter 7 System 80
- CHAPTER 8 81
- 82 Chapter 8 Logs 82
- Table 32 View Log 82
- Chapter 8 Logs 83 83
- Figure 33 Log Settings 83
- Table 33 Log Settings 83
- 8.4 SMTP Error Messages 84
- Chapter 8 Logs 85 85
- 86 Chapter 8 Logs 86
- CHAPTER 9 87
- 88 Chapter 9 Tools 88
- Figure 37 Error Message 88
- 9.2 Configuration Screen 89
- 90 Chapter 9 Tools 90
- 9.3 Restart 91
- 92 Chapter 9 Tools 92
- CHAPTER 10 93
- Table 38 Main Menu Commands 95
- Table 39 Main Menu Summary 96
- CHAPTER 11 97
- 98 Chapter 11 General Setup 98
- ESC] at any time to cancel 98
- CHAPTER 12 99
- 12.3 Wireless LAN Setup 100
- Chapter 12 LAN Setup 101 101
- 102 Chapter 12 LAN Setup 102
- 12.3.2 Configuring Roaming 103
- 104 Chapter 12 LAN Setup 104
- CHAPTER 13 105
- CHAPTER 14 107
- 14.3 802.1x 109
- CHAPTER 15 113
- 15.2 System Information 115
- 15.3 Log and Trace 116
- 15.4 Diagnostic 117
- CHAPTER 16 119
- 16.2 Backup Configuration 120
- 16.2.4 Example: TFTP Command 123
- CHAPTER 17 125
- 17.2 Time and Date Setting 126
- 17.3 Remote Management Setup 127
- 17.5 System Timeout 130
- CHAPTER 18 131
- Problems with the Password 132
- APPENDIX A 133
- APPENDIX B 135
- APPENDIX C 137
- Installing Components 138
- Configuring 139
- Windows 2000/NT/XP 140
- Macintosh OS 8/9 144
- Macintosh OS X 146
- Verifying Settings 147
- APPENDIX D 149
- IP addresses dynamically 151
- APPENDIX E 153
- Subnet Masks 154
- Subnetting 154
- Example: Two Subnets 155
- Table 70 Subnet 1 156
- Table 71 Subnet 2 156
- Example: Four Subnets 157
- Example Eight Subnets 158
- APPENDIX F 161
- APPENDIX G 163
- Log Commands 164
- Displaying Logs 165
- Log Command Example 166
- APPENDIX H 167
- Figure 97 Basic Service Set 169
- Wireless LAN Basics 170
- Fragmentation Threshold 171
- IEEE 802.11 172
- APPENDIX I 173
- Types of RADIUS Messages 174
- Types of Authentication 175
- WEP Authentication 176
- Encryption 178
- User Authentication 179
- Security Parameters Summary 181
- APPENDIX J 185
- PEAP (Protected EAP) 186
- APPENDIX K 187
- Types of Antennas For WLAN 188
- Connector Type 188
- Numerics 189
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