ZyXEL Communications ZYAIR G-162 User Manual
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ZyXEL Communications ZYAIR G-162 User Manual

802.11g wireless cardbus card
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ZyXEL G-162
802.11g Wireless CardBus Card
User's Guide
Version 3.0
4/2005

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  • Page 1 ZyXEL G-162 802.11g Wireless CardBus Card User's Guide Version 3.0 4/2005...
  • Page 2 Published by ZyXEL Communications Corporation. All rights reserved. Disclaimer ZyXEL does not assume any liability arising out of the application or use of any products, or software described herein. Neither does it convey any license under its patent rights nor the patents' rights of others.

  • Page 3: Zyxel Limited Warranty

    Any returned products without proof of purchase or those with an out-dated warranty will be repaired or replaced (at the discretion of ZyXEL) and the customer will be billed for parts and labor. All repaired or replaced products will be shipped by ZyXEL to the corresponding return address, Postage Paid.

  • Page 4: Federal Communications Commission

    Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada Caution 1. This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Certifications Refer to the product page at www.zyxel.com. FCC Statement...

  • Page 5: Table Of Contents

    ZyXEL G-162 User’s Guide Table of Contents Copyright ...............................ii ZyXEL Limited Warranty ..........................iii Federal Communications Commission (FCC) Interference Statement...........iv List of Figures..............................vii List of Tables ..............................viii Chapter 1 Getting Started .........................1-1 About Your G-162 ........................1-1 Syntax Conventions ........................1-1 Graphics Icons Key ........................1-2 Application Overview........................1-2...
  • Page 6 The About Screen .........................7-1 Uninstalling the ZyXEL Utility ....................7-2 Upgrading the ZyXEL Utility.......................7-2 Chapter 8 Troubleshooting ........................8-1 Problems Starting the ZyXEL Utility Program................8-1 Problem with the Link Status .......................8-2 Problems Communicating With Other Computers...............8-2 Related Documentation........................8-3 User Guide Feedback ........................8-3 Customer Support ........................8-3...

  • Page 7: List Of Figures

    ZyXEL G-162 User’s Guide List of Figures Figure 1-1 Infrastructure Example .......................1-2 Figure 1-2 Ad-Hoc Example ........................1-3 Figure 1-3 ZyXEL Utility: System Tray Icon ....................1-4 Figure 1-4 Screen Overview ........................1-5 Figure 1-5 Site Survey ..........................1-6 Figure 1-6 Site Survey: Security Settings ....................1-7 Figure 1-7 Link Info.............................1-7...
  • Page 8 Table 5-1 Profile ............................5-2 Table 5-2 Profile: Add New Profile ......................5-3 Table 6-1 Adapter ............................6-4 Table 7-1 About ............................7-1 Table 8-1 Troubleshooting Starting ZyXEL Utility Program...............8-1 Table 8-2 Troubleshooting Link Quality......................8-2 Table 8-3 Troubleshooting Communication Problems ................8-2 viii List of Tables...

  • Page 9: Chapter 1 Getting Started

    The ZyXEL G-162 802.11g Wireless CardBus Card is referred to as the G-162 in this guide. • The ZyXEL Wireless LAN Utility may be referred to as the ZyXEL WLAN Utility or, simply, as the ZyXEL Utility in this guide.

  • Page 10: Graphics Icons Key

    ZyXEL G-162 User’s Guide Graphics Icons Key Notebook computer Computer Wireless Access Point Modem or Router Wireless Signal Server Application Overview 1.4.1 Infrastructure To connect to a network via an Access Point (AP), set the G-162 network type to Infrastructure. Through the AP, you can access the Internet or the wired network behind the AP.

  • Page 11: Ad-Hoc

    SSID, channel and security. G-162 Hardware and Utility Installation Follow the instructions in the Quick Start Guide to install the ZyXEL Utility and make hardware connections. The ZyXEL Utility is a program that lets you configure wireless parameters in the G-162.

  • Page 12: Accessing The Zyxel Utility

    Accessing the ZyXEL Utility After you install and start the ZyXEL Utility, an icon for the ZyXEL Utility appears in the system tray. When the ZyXEL Utility system tray icon displays, the G-162 is installed properly. Figure 1-3 ZyXEL Utility: System Tray Icon The color of the ZyXEL Utility system tray icon indicates the status of the G-162.

  • Page 13: Network Connection Methods

    About ( Network Connection Methods The following sections show you how to associate with a network using the ZyXEL Utility. You can either manually connect to a network or configure a profile to have the G-162 automatically connect to a specific network.

  • Page 14: Site Survey

    ZyXEL G-162 User’s Guide 1.8.1 Site Survey After you install the ZyXEL Utility and then insert the G-162, follow the steps below to connect to a network using the Site Survey screen. 1. Make sure a wireless network is available and within range.

  • Page 15: Figure 1-6 Site Survey: Security Settings

    ZyXEL G-162 User’s Guide If the selected network is unavailable or security settings are not correct, the G- 162 will be disconnected. Figure 1-6 Site Survey: Security Settings 6. Verify that you have successfully connected to the selected network and check the network information in the Link Info screen.

  • Page 16: Profiles

    The default profile is a profile that allows you to connect to any SSID without security. Creating a Profile 1. Make sure a wireless network is available. 2. Open the ZyXEL Utility and click the Profile tab to open the screen as shown. 3. Click Add to configure a new profile. Figure 1-8 Profile...

  • Page 17: Figure 1-9 Profile: Add

    ZyXEL G-162 User’s Guide 4. Give the profile a descriptive name (of up to 32 printable ASCII characters). If you want to connect to an AP, select Infrastructure and enter the AP’s SSID. If you want to connect to another peer wireless device directly (without an AP), select Ad-Hoc and enter the same SSID as that device.

  • Page 18: Figure 1-10 Profile: Channel

    ZyXEL G-162 User’s Guide 5. If you selected Infrastructure, skip to the next step. If you selected Ad-Hoc, use the same channel as the peer wireless device. Figure 1-10 Profile: Channel 1-10 Getting Started...

  • Page 19: Figure 1-11 Profile: Encryption

    ZyXEL G-162 User’s Guide 6. If you selected Infrastructure, choose the same encryption method (Disable, WEP, WPA, WPA2, WPA-PSK, WPA2-PSK or 802.1x) as the AP to which you want to connect. If you selected Ad- Hoc, you can only use WEP.

  • Page 20: Figure 1-12 Profile: Security

    ZyXEL G-162 User’s Guide 7. This screen varies depending on the encryption method you selected in the previous screen. Enter the same settings as the associated network. Figure 1-12 Profile: Security 1-12 Getting Started...

  • Page 21: Figure 1-13 Profile: Confirm

    ZyXEL G-162 User’s Guide 8. Verify the profile settings in the ready-only screen. Click Save to save and go to the next screen. Click Back to return to the previous screen. Figure 1-13 Profile: Confirm 9. Click Activate Now to use the new profile immediately. Otherwise, click Activate Later and go back to the Profile screen.

  • Page 22: Figure 1-15 Profile

    Only one profile can be activated and used at any given time. 1. In the ZyXEL Utility, click the Profile tab to open the screen as shown next. 2. Select a profile and click Activate to use the selected profile.

  • Page 23: Chapter 2 Link Info

    Configuring the Link Info screen When the ZyXEL Utility starts, the Link Info screen displays, showing the current configuration and connection status of your G-162. You can also click the Link Info tab to display the screen as shown next.

  • Page 24: Figure 2-1 Link Info

    ZyXEL G-162 User’s Guide Figure 2-1 Link Info The following table describes the labels in this screen. Table 2-1 Link Info LABEL DESCRIPTION Wireless Network Status The following fields show the information of the network to which the G-162 is connected. If there is no associated wireless network, they are blank.
  • Page 25 ZyXEL G-162 User’s Guide Table 2-1 Link Info LABEL DESCRIPTION AP MAC Address This field displays the MAC address of the wireless device to which the G-162 is associated. Every Ethernet device has a unique MAC (Media Access Control) address. The MAC address is assigned at the factory and consists of six pairs of hexadecimal characters, for example, 00:A0:C5:00:00:02.

  • Page 26: Trend Chart

    ZyXEL G-162 User’s Guide 2.2.1 Trend Chart Click Trend Chart in the Link Info screen to open the read-only screen as shown next. Figure 2-2 Link Info: Trend Chart The following table describes the labels in this screen. Table 2-2 Link Info: Trend Chart...

  • Page 27: Chapter 3 Site Survey

    ZyXEL G-162 User’s Guide Chapter 3 Site Survey This chapter provides a detailed description about the Site Survey screen. See the Getting Stated chapter for how to connect to a network using the Site Survey screen. Configuring the Site Survey screen Click the Site Survey tab and use this screen to scan for a wireless network and connect to it.

  • Page 28: Table 3-1 Site Survey

    ZyXEL G-162 User’s Guide Table 3-1 Site Survey LABEL DESCRIPTION Available Network List The wireless network to which the G-162 is associated is bolded. Click a column heading to sort the entries. A triangle indicates ascending or descending sort order.

  • Page 29: Chapter 4 Security Settings

    ZyXEL G-162 User’s Guide Chapter 4 Security Settings This chapter discusses how to configure wireless security on the G-162. Wireless LAN Security Wireless LAN security is vital to protect wireless communications. The figure below shows the possible wireless security levels on your G-162. EAP (Extensible Authentication Protocol) is used for authentication and utilizes dynamic WEP key exchange.

  • Page 30: Authentication Type

    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 Settings screen of the ZyXEL Utility and entering them manually as the WEP keys in the other WLAN adapter(s). •...

  • Page 31: Wep Encryption

    ZyXEL G-162 User’s Guide 4.3.1 WEP Encryption Figure 4-1 Security Settings: WEP The following table describes the labels in this screen. Table 4-2 Security Settings: WEP LABEL DESCRIPTION Select 64 Bits, 128 Bits or 256 Bits to activate WEP encryption and then fill in the related fields.
  • Page 32 ZyXEL G-162 User’s Guide Table 4-2 Security Settings: WEP LABEL DESCRIPTION Key x If you want to manually set the WEP keys, enter the WEP key (same as the AP or peer (where x is a device) in the field provided.

  • Page 33: Wpa-Psk/Wpa2-Psk

    ZyXEL G-162 User’s Guide 4.3.2 WPA-PSK/WPA2-PSK Figure 4-2 Security Settings: WPA-PSK/WPA2-PSK The following table describes the labels in this screen. Table 4-3 Security Settings: WPA-PSK/WPA2-PSK FIELD DESCRIPTION Encryption Type WPA uses TKIP and WPA2 uses AES to improve data encryption.

  • Page 34: Wpa/Wpa2 Or 802.1X

    ZyXEL G-162 User’s Guide 4.3.3 WPA/WPA2 or 802.1x Figure 4-3 Security Settings: WPA/WPA2 or 802.1x The following table describes the labels in this screen. Table 4-4 Security Settings: WPA/WPA2 or 802.1x FIELD DESCRIPTION Authentication Type Select the authentication method that the RADIUS server uses from the drop down list.
  • Page 35 ZyXEL G-162 User’s Guide Table 4-4 Security Settings: WPA/WPA2 or 802.1x FIELD DESCRIPTION Certificate This field is only available when you select EAP-TLS in the Authentication Type field. Specify the location and name of a certificate in the Certificate field or click Browse to locate it.

  • Page 37: Chapter 5 Profile

    This chapter describes how to configure and use a profile. Configuring the Profile Screen Click the Profile tab in the ZyXEL Utility program to display the Profile screen as shown next. The profile function allows you to save a wireless network’s settings, so you can use them again later.

  • Page 38: Adding A New Profile

    ZyXEL G-162 User’s Guide Table 5-1 Profile LABEL DESCRIPTION Profile List Click a column heading to sort the entries. A triangle indicates ascending or descending sort order. denotes that the wireless device is in infrastructure mode. denotes that the wireless device is in Ad-Hoc mode.

  • Page 39: Figure 5-2 Profile: Add New Profile

    ZyXEL G-162 User’s Guide Figure 5-2 Profile: Add New Profile The following table describes the labels in this screen. Table 5-2 Profile: Add New Profile LABEL DESCRIPTION Profile Name Enter a descriptive name (of up to 32 printable ASCII characters) in this field.
  • Page 40 ZyXEL G-162 User’s Guide Table 5-2 Profile: Add New Profile LABEL DESCRIPTION Exit Click Exit to go back to the previous screen without saving. Scan Info This table displays the information of the available wireless networks within the transmission range.

  • Page 41: Figure 5-3 Profile: Select A Channel

    ZyXEL G-162 User’s Guide Step 2. If you select the Infrastructure network type in the previous screen, skip to Step 3. If you select the Ad-Hoc network type in the previous screen, a screen displays as follows. Select the same channel number as the peer device and click Next to continue.

  • Page 42: Figure 5-4 Profile: Wireless Settings

    ZyXEL G-162 User’s Guide Step 3. If you select Infrastructure network type in the first screen, select the same encryption method as the AP (WEP, WPA-PSK, WPA2-PSK, WPA, WPA2 or 802.1x) from the drop-down list box to enable data encryption. If you select Ad-Hoc network type in the first screen, you can only use WEP encryption method.

  • Page 43: Figure 5-5 Profile: Security Settings

    ZyXEL G-162 User’s Guide Step 4. The screen varies depending on the encryption method you select in the previous screen. The settings must be exactly the same on the APs or other peer wireless devices as they are on the G-162.

  • Page 44: Figure 5-6 Profile: Confirm New Settings

    ZyXEL G-162 User’s Guide Step 5. This read-only screen shows a summary of the new profile settings. Verify that the settings are correct. Click Save to save and go to the next screen. Click Back to return to the previous screen.

  • Page 45: Figure 5-7 Profile: Activate The Profile

    To use this network profile, click the Activate Now button. Otherwise, click the Activate Later button. Once you activate a profile, the ZyXEL Utility will use that profile the next time it is started. Figure 5-7 Profile: Activate the Profile...

  • Page 47: Chapter 6 Adapter

    You must enable OTIST on both the AP and wireless client before you start transferring settings. The AP and wireless client(s) MUST use the same Setup Key. Wireless Client Start the ZyXEL Utility and click the Adapter tab. Select the OTIST check box, enter the same Setup Key as your AP’s and click Save. Adapter...

  • Page 48: Starting Otist

    ZyXEL G-162 User’s Guide You can enable OTIST using the reset button or the web configurator. If you use the reset button, the default (01234567) or previous saved (through the web configurator) Setup Key is used to encrypt the settings that you want to transfer.

  • Page 49: Notes On Otist

    6.1.3 Notes on OTIST 1. If you enabled OTIST in the wireless client, you see this screen each time you start the ZyXEL Utility. Click Yes for it to search for an OTIST-enabled AP. 2. If an OTIST-enabled wireless client loses its wireless connection for more than ten seconds, it will search for an OTIST-enabled AP for up to one minute.

  • Page 50: Configuring The Adapter Screen

    ZyXEL G-162 User’s Guide 4. If you change the SSID or the keys on the AP after using OTIST, you need to run OTIST again or enter them manually in the wireless client(s). 5. If you configure OTIST to generate a WPA(2)-PSK key, this key changes each time you run OTIST.
  • Page 51 ZyXEL G-162 User’s Guide Table 6-1 Adapter LABEL DESCRIPTION Transfer Rate Select a transmission speed from the drop-down list box. Options are Fully Auto (default), 1 Mbps, 2 Mbps, 5.5 Mbps, 11 Mbps, 6 Mbps, 9 Mbps, 12 Mbps, 18 Mbps, 22 Mbps, 24 Mbps, 36 Mbps, 48 Mbps, 54 Mbps and 125 Mbps.

  • Page 53: Chapter 7 Maintenance

    ZyXEL G-162 User’s Guide Chapter 7 Maintenance This chapter describes how to uninstall or upgrade the ZyXEL Utility. The About Screen The About screen displays related version numbers of the G-162. To display the screen as shown next, click the about ( ) button.

  • Page 54: Uninstalling The Zyxel Utility

    To perform the upgrade, follow the steps below. 1. Download the latest version of the utility from the ZyXEL web site and save the file on your computer. 2. Follow the steps in Section 7.2 to remove the current ZyXEL Utility from your computer.

  • Page 55: Chapter 8 Troubleshooting

    If you use the Windows XP configuration tool and the ZyXEL Utility to configure the G-162 at the same time, the ZyXEL Utility icon does not display. You need to disable the Windows XP configuration tool (refer to Appendix B for more information).

  • Page 56: Problem With The Link Status

    ZyXEL G-162 User’s Guide Problem with the Link Status Table 8-2 Troubleshooting Link Quality PROBLEM CORRECTIVE ACTION The link quality and/or signal Search and connect to another AP with a better link quality using the Site strength is poor all the time.

  • Page 57: Related Documentation

    Help us help you. E-mail all User’s Guide-related comments, questions or suggestions for improvement to techwriters@zyxel.com.tw or send regular mail to The Technical Writing Team, ZyXEL Communications Corp., 6 Innovation Road II, Science-Based Industrial Park, Hsinchu, 300, Taiwan. Thank you.

  • Page 58: Troubleshooting

    ZyXEL G-162 User’s Guide REGULAR MAIL METHOD SUPPORT E-MAIL TELEPHONE WEB SITE SALES E-MAIL FTP SITE LOCATION support@zyxel.dk +45 39 55 07 00 www.zyxel.dk ZyXEL Communications A/S Columbusvej 5 DENMARK sales@zyxel.dk +45 39 55 07 07 2860 Soeborg Denmark support@zyxel.fi +358-9-4780-8411 www.zyxel.fi...

  • Page 59: Appendix A Product Specifications

    ZyXEL G-162 User’s Guide Appendix A Product Specifications Product Name ZyXEL G-162 802.11g Wireless CardBus Card Type 3.3V 32-bit CardBus card IEEE 802.11b Standards IEEE 802.11g Infrastructure Network Architectures Ad-Hoc Operating Frequencies 2.412-2.483GHz (Industrial Scientific Medical Band) IEEE 802.11b: 11 Channels (North America) IEEE 802.11g: 11 Channels (North America)
  • Page 60 ZyXEL G-162 User’s Guide 17 dBm (typical) at 11Mbps DBPSK, DQPSK, CCK Output Power 14 dBm (typical) at 54Mbps OFDM 802.11g (OFDM): 54 Mbps: < -68 dBm (typ.) < -69 dBM (max.) RX Sensitivity 802.11b (PBCC): 22 Mbps: < -83 dBm (typ.) < -88 dBM (max.) Operating: 0°...

  • Page 61: Appendix B Disable Windows Xp Wireless Lan Configuration Tool

    Windows XP includes a configuration tool (also known as Wireless Zero Configuration (WZC)) for wireless devices. Follow the steps below to disable the configuration tool in Windows XP after you install the ZyXEL Utility. The screen varies depending on the version of Windows XP service pack.
  • Page 62 ZyXEL G-162 User’s Guide 2. Windows XP SP1: When a Wireless Network Connection window displays, click Advanced…. Diagram 2 Windows XP SP1: Wireless Network Connection Windows XP SP2: When a Wireless Network Connection window displays, click Change advanced settings under Related Tasks and then the Wireless Networks tab.
  • Page 63 ZyXEL G-162 User’s Guide 3. In the Wireless Network Connection Properties window, make sure the Use Windows to configure my wireless network settings check box is not selected. Click OK. Diagram 4 Windows XP SP1: Wireless Network Connection Properties Disable Windows XP Wireless LAN Configuration Tool...
  • Page 64 ZyXEL G-162 User’s Guide Diagram 5 Windows XP SP2: Wireless Network Connection Properties Via the Control Panel 1. If the icon for the wireless network connection is not in the system tray, click Start, Control Panel and double-click Network Connections.
  • Page 65 ZyXEL G-162 User’s Guide 2. Double-click on the icon for wireless network connection to display a status window as shown below. Diagram 6 Windows XP SP1: Wireless Network Connection Status Diagram 7 Windows XP SP2: Wireless Network Connection Status Disable Windows XP Wireless LAN Configuration Tool...
  • Page 66 ZyXEL G-162 User’s Guide 3. Click Properties and click the Wireless Networks tab. 4. In the Wireless Network Connection Properties window, make sure the Use Windows to configure my wireless network settings check box is not selected. Click OK. Diagram 8 Windows XP SP1: Wireless Network Connection Properties...
  • Page 67 ZyXEL G-162 User’s Guide Diagram 9 Windows XP SP2: Wireless Network Connection Properties Disable Windows XP Wireless LAN Configuration Tool...

  • Page 69: Appendix C Management With Wireless Zero Configuration

    ZyXEL G-162 User’s Guide Appendix C Management with Wireless Zero Configuration This appendix shows you how to manage your G-162 using the Windows XP wireless zero configuration tool. Be sure you have the Windows XP service pack 2 installed on your computer. Otherwise, you should at least have the Windows XP service pack 1 already on your computer and download the support patch for WPA from the Microsoft web site.

  • Page 70: Connecting To A Wireless Network

    ZyXEL G-162 User’s Guide Connecting to a Wireless Network 1. Double-click the network icon for wireless connections in the system tray to open the Wireless Network Connection Status screen. Diagram 11 Windows XP SP2: System Tray Icon The type of the wireless network icon in Windows XP SP2 indicates the status of the G-162. Refer to the following table for details.
  • Page 71 ZyXEL G-162 User’s Guide 2. Windows XP SP2: In the Wireless Network Connection Status screen, click View Wireless Networks to open the Wireless Network Connection screen. Diagram 12 Windows XP SP2: Wireless Network Connection Status Management with Wireless Zero Configuration...
  • Page 72 ZyXEL G-162 User’s Guide Windows XP SP1: In the Wireless Network Connection Status screen, click Properties and the Wireless Networks tab to open the Wireless Network Connection Properties screen. Diagram 13 Windows XP SP1: Wireless Network Connection Status Management with Wireless Zero Configuration...
  • Page 73 ZyXEL G-162 User’s Guide 3. Windows XP SP2: Click Refresh network list to reload and search for available wireless devices within transmission range. Select a wireless network in the list and click Connect to join the selected wireless network. Diagram 14 Windows XP SP2: Wireless Network Connection The following table describes the icons in the wireless network list.
  • Page 74 ZyXEL G-162 User’s Guide Chart 2 Windows XP SP2: Wireless Network Connection ICON DESCRIPTION This denotes that this wireless network is your preferred network. Ordering your preferred networks is important because the G-162 tries to associate to the preferred network first in the order that you specify.
  • Page 75 ZyXEL G-162 User’s Guide 4. Windows XP SP2: If the wireless security is activated for the selected wireless network, the Wireless Network Connection screen displays. You must set the related fields in the Wireless Network Connection screen to the same security settings as the associated AP. Refer to Section 0 for more information.

  • Page 76: Security Settings

    ZyXEL G-162 User’s Guide Security Settings When you configure the G-162 to connect to a secure network but the security settings are not yet enabled on the G-162, you will see different screens according to the authentication and encryption methods used by the selected network.
  • Page 77 ZyXEL G-162 User’s Guide Chart 4 Windows XP: Wireless (network) properties: Association LABEL DESCRIPTION Network This field automatically shows the authentication method (Share, Open, WPA or WPA- Authentication PSK) used by the selected network. Refer to Section 4.2 for more information.
  • Page 78 ZyXEL G-162 User’s Guide Diagram 19 Windows XP: Wireless (network) properties: Authentication The following table describes the labels in this screen. Chart 5 Windows XP: Wireless (network) properties: Authentication LABEL DESCRIPTION Enable IEEE This field displays whether the IEEE 802.1x authentication is active.
  • Page 79 ZyXEL G-162 User’s Guide Chart 5 Windows XP: Wireless (network) properties: Authentication LABEL DESCRIPTION Authenticate as Select this check box to have the computer access to the network as a guest when a guest when user user is not logged on or computer information is not available.
  • Page 80 ZyXEL G-162 User’s Guide The following table describes the labels in this screen. Chart 6 Windows XP: Protected EAP Properties LABEL DESCRIPTION Validate server Select the check box to verify the certificate of the authentication server. certificate Connect to Select the check box and specify a domain in the field below to have your computer these servers connect to a server which resides only within this domain.
  • Page 81 ZyXEL G-162 User’s Guide Smart Card or other Certificate Properties Diagram 21 Windows XP: Smart Card or other Certificate Properties The following table describes the labels in this screen. Chart 7 Windows XP: Smart Card or other Certificate Properties LABEL...
  • Page 82 ZyXEL G-162 User’s Guide Chart 7 Windows XP: Smart Card or other Certificate Properties LABEL DESCRIPTION Trusted Root Select a trusted certification authority from the list below. Certification You must first have a wired connection to a network and obtain Authorities: the certificate(s) from a certificate authority (CA).
  • Page 83 ZyXEL G-162 User’s Guide Diagram 22 Windows XP SP2: Wireless Networks: Preferred Networks Windows XP SP1: In the Wireless Network Connection Status screen, click Properties and the Wireless Networks tab to open the screen as shown. Management with Wireless Zero Configuration...
  • Page 84 ZyXEL G-162 User’s Guide Diagram 23 Windows XP SP1: Wireless Networks: Preferred Networks 2. Whenever the G-162 tries to connect to a new network, the new network is added in the Preferred networks table automatically. Select a network and click Move up or Move down to change it’s order, click Remove to delete it or click Properties to view the security, authentication or connection information of the selected network.

  • Page 85: Appendix D Wireless Lans

    ZyXEL G-162 User’s Guide Appendix D Wireless LANs Wireless LAN Topologies This section discusses ad-hoc and infrastructure wireless LAN topologies. Ad-Hoc (IBSS) The simplest WLAN configuration is an independent (Ad-hoc) WLAN that connects a set of computers with wireless clients. Any time two or more wireless adapters are within range of each other, they can set up an independent network, which is commonly referred to as an Ad-hoc network or Independent Basic Service Set (IBSS).
  • Page 86 ZyXEL G-162 User’s Guide Diagram 25 BSS Example A series of overlapping BSS and a network medium, such as an Ethernet forms an Extended Service Set (ESS) or infrastructure network. All communication is done through the AP, which relays data packets to other wireless clients or devices connected to the wired network.
  • Page 87 ZyXEL G-162 User’s Guide EAP (Extensible Authentication Protocol) is an authentication protocol that runs on top of the IEEE802.1x transport mechanism in order to support multiple types of user authentication. By using EAP to interact with an EAP-compatible RADIUS server, an access point helps a wireless client and a RADIUS server perform authentication.
  • Page 88 ZyXEL G-162 User’s Guide The encryption mechanisms used for WPA and WPA-PSK are the same. The only difference between the two is that WPA-PSK uses a simple common password, instead of user-specific credentials. The common- password approach makes WPA-PSK susceptible to brute-force password-guessing attacks but it’s still an improvement over WEP as it employs an easier-to-use, consistent, single, alphanumeric password.
  • Page 89 ZyXEL G-162 User’s Guide Diagram 27 WPA(2)-PSK Authentication WPA(2) with RADIUS Application Example You need the IP address of the RADIUS server, its port number (default is 1812), and the RADIUS shared secret. A WPA(2) application example with an external RADIUS server looks as follows. “A” is the RADIUS server.
  • Page 90 ZyXEL G-162 User’s Guide Diagram 28 WPA(2) with RADIUS Application Example Wireless LANs...

  • Page 91: Appendix E Types Of Eap Authentication

    ZyXEL G-162 User’s Guide Appendix E Types of EAP Authentication This appendix discusses the five popular EAP authentication types: EAP-MD5, EAP-TLS, EAP-TTLS, PEAP and LEAP. The type of authentication you use depends on the RADIUS server. Consult your network administrator for more information.
  • Page 92 ZyXEL G-162 User’s Guide LEAP LEAP (Lightweight Extensible Authentication Protocol) is a Cisco implementation of IEEE802.1x. 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.
  • Page 93 Appendix F Index PEAP............GG TLS ............GG TTLS ............GG About ..............7-1 Encryption............CC About the ZyXEL Utility ........7-1 ESS..............BB Accessing the ZyXEL Utility......1-4 Extended Service Set.......See ESS Activating a Profile ........1-14 Add a New Profile...........5-2 Application Overview ........1-2 Authentication Mode........4-2 Federal Communications Commission (FCC) Open............4-2...
  • Page 94 ZyXEL G-162 User’s Guide Online Registration........... iii Troubleshooting ..........8-1 Open authentication mode ......4-2 Checking Hardware Conflict ......8-1 OTIST............. 6-1 Problem with link status......8-2 Radio interference........8-2 Starting ZyXEL Utility .......8-1 Troubleshooting passphrase............4-2 Communication problems ......8-2 PEAP ..............GG TTLS.............. GG problem description ........
  • Page 95 ZyXEL G-162 User’s Guide ZyXEL Utility ZyXEL Utility WPA/WPA2..........4-6 Before you upgrade ........7-2 ZyXEL Utility ZyXEL Utility Maintenance......7-1 Removing............7-2 ZyXEL Utility Upgrading .......7-2 Index...

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