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ZyXEL Communications ZyAIR G-110 2.8.1 Data Encryption with WEP, HEX, Security Configuration, Security Configuration, Figure 2-10Wireless LAN Security Levels

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ZyAIR G-110 User’s Guide

Figure 2-10 Wireless LAN Security Levels

Configure the wireless LAN security using the Security Configuration screen. If you do not enable any wireless security on your ZyAIR, communication between the ZyAIR and the wired network is accessible to any wireless networking device that is in the coverage area.

Make sure the security settings are the same on the ZyAIR and the intermediary

AP and/or your network security server device.

2.8.1 Data Encryption with WEP

WEP (Wired Equivalent Privacy) encryption scrambles all communication transmitted between the ZyAIR and the AP or other wireless stations to keep network communications private. Both the wireless stations and the access points must use the same WEP key for data encryption and decryption.

There are two ways to create WEP keys in your ZyAIR.

•Automatic WEP key generation based on a “password phrase” called a passphrase. The passphrase is case sensitive and only available when you select the HEX key type. You must use the same passphrase for all WLAN adapters with this feature in the same WLAN.

For WLAN adapters without the passphrase feature, you can still take advantage of this feature by writing down the four automatically generated WEP keys from the Security Configuration screen of the ZyAIR Utility and entering them manually as the WEP keys in the other WLAN adapter(s).

•Enter the WEP keys manually.

Your ZyAIR allows you to configure up to four 64-bit or 128-bit WEP keys. You must enter four keys but only one key is used as the default key at any one time.

2-12	Using the ZyAIR Utility

Contents

Page Copyright ZyXEL Limited Warranty Information for Canadian Users Federal Communications Commission (FCC) Interference Statement Page Customer Support Page Table of Contents Index List of Figures List of Tables Preface Graphics Icons Key Getting Started 1.1About Your ZyAIR 1.2ZyAIR Hardware and Utility Installation 1.3Disable Windows XP Wireless LAN Configuration Tool Figure 1-1Windows XP: System Tray Icon From the Wireless Network Connection Status Screen Step Figure 1-2Windows XP: System Tray Icon Start Page 1.4Accessing the ZyAIR Utility Table 1-1ZyAIR Utility: System Tray Icon Page Using the ZyAIR Utility 2.1About Wireless LAN Network 2.1.1 Channel 2.1.2SSID 2.1.3 Transfer Rate 2.2.1 Ad-Hoc(IBSS) 2.2.2Infrastructure 2.3Roaming 2.4Viewing Current Configuration Figure 2-5ZyAIR Utility: Link Info Table 2-1ZyAIR Utility: Link Info 2.4.1 Common Screen Command Buttons 2.5Configuring the ZyAIR Wireless Parameters Figure 2-6ZyAIR Utility: Profile: Configuration Table 2-3ZyAIR Utility: Profile: Configuration Apply Changes Figure 2-7Odyssey Client Add this trusted server to the database 2.6Network Configuration Profile Setting 2.6.1 Saving the Current Setting to a Profile 2.6.2 Using a Pre-configuredProfile 2.6.3 Deleting a Profile 2.7The Site Survey Screen 2.7.1 Connecting to a Network 2.8About Wireless LAN Security 2.8.1 Data Encryption with WEP 2.8.2 Authentication Mode 2.8.3 IEEE 2.8.4 WPA 2.8.5 WPA-PSKApplication Example 2.8.6 WPA with RADIUS Application Example 2.9Configuring Wireless Security on the ZyAIR 2.9.1 WEP Encryption Figure 2-14ZyAIR Utility: Security Configuration: WEP Table 2-5ZyAIR Utility: Security Configuration: WEP 2.9.2 WPA-PSK 2.9.3 WPA Figure 2-16ZyAIR Utility: Security Configuration: WPA Table 2-7ZyAIR Utility: Security Configuration: WPA 2.9.4 IEEE802.1x Figure 2-17ZyAIR Utility: Security Configuration: Table 2-8ZyAIR Utility: Security Configuration: 2.10 The About Screen Figure 2-18ZyAIR Utility: About Table 2-9ZyAIR Utility: About Page Maintenance 3.1Uninstalling the ZyAIR Utility 3.2Upgrading the ZyAIR Utility Page Troubleshooting 4.1Problems Starting the ZyAIR Utility Program 4.2Problems Communicating With Other Computers 4.3Problem with the Link Status Appendix A Types of EAP Authentication LEAP Comparison of EAP Authentication Types Appendix B Product Specifications Page Page Page Index