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ZyXEL Communications ZyXEL AG-220 User Manual

ZyXEL Communications ZyXEL AG-220 User Manual

Zyxel communications 802.11a/g wireless usb adapter user's guide
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ZyXEL AG-220
802.11a/g Wireless USB Adapter
User's Guide
Version 1.10
Edition 1
5/2008

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  • Page 1 ZyXEL AG-220 802.11a/g Wireless USB Adapter User’s Guide Version 1.10 Edition 1 5/2008...

  • Page 3: Copyright

    ZyXEL Communications Corporation. Published by ZyXEL Communications Corporation. All rights reserved.

  • Page 4: Federal Communications Commission (Fcc) Interference Statement

    ZyXEL AG-220 User’s Guide Federal Communications Commission (FCC) Interference Statement The device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any interference received, including interference that may cause undesired operations.
  • Page 5 1 Go to http://www.zyxel.com. 2 Select your product from the drop-down list box on the ZyXEL home page to go to that product's page. 3 Select the certification you wish to view from this page. Certifications ZyXEL AG-220 User’s Guide...

  • Page 6: Safety Warnings

    ZyXEL AG-220 User’s Guide For your safety, be sure to read and follow all warning notices and instructions. • Do NOT use this product near water, for example, in a wet basement or near a swimming pool. • Do NOT expose your device to dampness, dust or corrosive liquids.

  • Page 7: Zyxel Limited Warranty

    Registration Register your product online to receive e-mail notices of firmware upgrades and information at www.zyxel.com for global products, or at www.us.zyxel.com for North American products. ZyXEL Limited Warranty ZyXEL AG-220 User’s Guide...

  • Page 8: Customer Support

    ZyXEL AG-220 User’s Guide Please have the following information ready when you contact customer support. • Product model and serial number. • Warranty Information. • Date that you received your device. • Brief description of the problem and the steps you took to solve it.
  • Page 9 +46-31-744-7700 www.zyxel.se +46-31-744-7701 www.ua.zyxel.com +380-44-494-49-32 +44-1344 303044 www.zyxel.co.uk 08707 555779 (UK only) +44-1344 303034 ftp.zyxel.co.uk ZyXEL AG-220 User’s Guide REGULAR MAIL ZyXEL Communications A/S Nils Hansens vei 13 0667 Oslo Norway ZyXEL Communications ul. Okrzei 1A 03-715 Warszawa Poland ZyXEL Russia Ostrovityanova 37a Str.
  • Page 10 ZyXEL AG-220 User’s Guide Customer Support...

  • Page 11: Table Of Contents

    1.4.2 Accessing the ZyXEL Utility ...27 Chapter 2 Tutorial ... 29 2.1 Connecting to a Wireless LAN ...29 2.2 Creating and Using a Profile ...31 2.3 Configuring the AG-220 as an AP ...34 Table of Contents ZyXEL AG-220 User’s Guide Table of Contents...
  • Page 12 ZyXEL AG-220 User’s Guide Chapter 3 Wireless LAN Network ... 37 3.1 Wireless LAN Overview ...37 3.2 Wireless LAN Security ...38 3.2.1 Hide SSID ...38 3.2.2 MAC Address Filter ...38 3.2.3 User Authentication and Encryption ...39 3.2.3.1 WEP ...39 3.2.3.2 IEEE 802.1x ...40 3.2.3.3 WPA and WPA2 ...40...
  • Page 13 Product Specifications ... 87 Appendix B Access Point Mode Setup Example ... 89 Appendix C Windows Wireless Management... 93 Appendix D Wireless Security ... 115 Appendix E Setting up Your Computer’s IP Address... 121 Index... 135 Table of Contents ZyXEL AG-220 User’s Guide...
  • Page 14 ZyXEL AG-220 User’s Guide Table of Contents...

  • Page 15: List Of Figures

    ZyXEL AG-220 User’s Guide List of Figures Figure 1 Application: Infrastructure ... 24 Figure 2 Application: Ad-Hoc ... 25 Figure 3 Application: Access Point Mode ... 25 Figure 4 ZyXEL Utility: Change Modes ... 26 Figure 5 ZyXEL Utility: System Tray Icon ... 26 Figure 6 Enable WZC ...
  • Page 16 ZyXEL AG-220 User’s Guide Figure 39 Station Mode: Profile: Security Settings ... 65 Figure 40 Station Mode: Profile: Confirm New Settings ... 65 Figure 41 Station Mode: Profile: Activate the Profile ... 66 Figure 42 Station Mode: Advanced ... 66 Figure 43 Station Mode: Adapter ...
  • Page 17 ZyXEL AG-220 User’s Guide Figure 82 Windows XP SP1: Wireless Network Connection Properties ... 102 Figure 83 Windows XP SP2: Wireless Network Connection Properties ... 102 Figure 84 Windows XP SP2: WZC Not Available ... 103 Figure 85 Windows XP SP2: System Tray Icon ... 103 Figure 86 Windows XP SP2: Wireless Network Connection Status ...
  • Page 18 ZyXEL AG-220 User’s Guide List of Figures...

  • Page 19: List Of Tables

    ZyXEL AG-220 User’s Guide List of Tables Table 1 ZyXEL Utility: System Tray Icon ... 27 Table 2 ZyXEL Utility Menu Summary: Station Mode ... 51 Table 3 Station Mode: Link Info ... 52 Table 4 Station Mode: Link Info: Trend Chart ... 53 Table 5 Station Mode: Site Survey ...
  • Page 20 ZyXEL AG-220 User’s Guide List of Tables...

  • Page 21: Related Documentation

    Settings and then click Control Panel. • “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”. • The ZyXEL AG-220 802.11a/g Wireless USB Adapter may be referred to as the AG-220 in this user’s guide.

  • Page 22: Graphics Icons Key

    ZyXEL AG-220 User’s Guide Graphics Icons Key Wireless Access Point Server Internet Cloud Computer Notebook Computer Modem or Router Wireless Signal Preface...

  • Page 23: Chapter 1 Getting Started

    Hoc mode). Chapter 1 Getting Started H A P T E R Getting Started Section 4.7 on page 68 for more information. (Section 2.3 on page 34). (Section 4.5 on page ZyXEL AG-220 User’s Guide (Section 4.4.1 on page 62). 66).

  • Page 24: Infrastructure

    ZyXEL AG-220 User’s Guide 1.2.1.1 Infrastructure To connect to a network via an access point (AP), set the AG-220 network type to Infrastructure. Through the AP, you can access the Internet or the wired network behind the Figure 1 Application: Infrastructure 1.2.1.2 Ad-Hoc...

  • Page 25: Access Point Mode

    To change between the modes, select either Station Mode or AP Mode in any ZyXEL utility screens. Note: This feature is not available in the Windows Vista utility. The Windows Vista utility only operates in Station Mode. Chapter 1 Getting Started ZyXEL AG-220 User’s Guide...

  • Page 26: Hardware And Utility Installation

    ZyXEL AG-220 User’s Guide Figure 4 ZyXEL Utility: Change Modes Note: Wait for about five seconds for the ZyXEL utility to complete the mode change. The current mode is indicated by the color of the check box. 1.3 AG-220 Hardware and Utility Installation Follow the instructions in the Quick Start Guide to install the ZyXEL utility and make hardware connections.

  • Page 27: Configuration Methods

    Refer to the appendices for information on how to use WZC to manage the AG-220. To reactivate the ZyXEL utility, double-click the ( (All) Programs, ZyXEL AG-220 Wireless Adapter Utility, ZyXEL AG-220 Wireless Adapter Software. 1.4.2 Accessing the ZyXEL Utility Double-click on the ZyXEL wireless LAN utility icon in the system tray to open the ZyXEL utility.
  • Page 28 ZyXEL AG-220 User’s Guide Note: Click the icon (located in the top right corner) to display the online help window. Chapter 1 Getting Started...

  • Page 29: Chapter 2 Tutorial

    1 Open the ZyXEL utility and click the Site Survey tab to open the screen shown next. Chapter 2 Tutorial H A P T E R Section 2.1 on page Section 2.2 on page 31). Section 2.3 on page 34 for more information. ZyXEL AG-220 User’s Guide Tutorial 29).

  • Page 30: Figure 8 Zyxel Utility: Site Survey

    ZyXEL AG-220 User’s Guide Figure 8 ZyXEL Utility: Site Survey 2 The wireless client automatically searches for available wireless networks. Click Scan if you want to search again. If no entry displays in the Available Network List, that means there is no wireless network available within range. Make sure the AP or peer computer is turned on, or move the wireless client closer to the AP or peer computer.

  • Page 31: Creating And Using A Profile

    ZyXEL utility. You can also configure different profiles for different networks, for example if you connect a notebook computer to wireless networks at home and at work. Chapter 2 Tutorial ZyXEL AG-220 User’s Guide Table 3 on page 52 http://www.zyxel.com...

  • Page 32: Figure 12 Zyxel Utility: Profile

    ZyXEL AG-220 User’s Guide This example illustrates how to set up a profile and connect the wireless client to an access point configured for WPA-PSK security. In this example, the AP’s SSID is “SSID_Example3” and its pre-shared key is “ThisismyWPA-PSKpre-sharedkey”. You have chosen the profile name “PN_Example3”.

  • Page 33: Figure 14 Zyxel Utility: Profile Security

    Later button to go back to the Profile List screen. If you clicked Activate Later you can select the profile from the list in the Profile screen and click Connect to activate it. Chapter 2 Tutorial ZyXEL AG-220 User’s Guide...

  • Page 34: Configuring The Ag-220 As An Ap

    ZyXEL AG-220 User’s Guide Note: Only one profile can be activated and used at any given time. Figure 17 ZyXEL Utility: Profile Activate 8 When you activate the new profile, the ZyXEL utility goes to the Link Info screen while it connects to the AP using your settings.

  • Page 35: Figure 18 Zyxel Utility: Ap: Link Info

    ZyXEL AG-220 User’s Guide Figure 18 ZyXEL Utility: AP: Link Info 2 If you want to change the SSID and enable wireless security for your AG-220, click the Configuration tab and refer to Section 5.3 on page 75 for detailed field descriptions.
  • Page 36 ZyXEL AG-220 User’s Guide Chapter 2 Tutorial...

  • Page 37: Wireless Lan Network

    Like radio stations or television channels, each wireless network uses a specific channel, or frequency, to send and receive information. Chapter 3 Wireless LAN Network H A P T E R Wireless LAN Network ZyXEL AG-220 User’s Guide Figure 2 on...

  • Page 38: Wireless Lan Security

    ZyXEL AG-220 User’s Guide • Every device in the same wireless network must use security compatible with the AP or peer computer. Security stops unauthorized devices from using the wireless network. It can also protect the information that is sent in the wireless network.

  • Page 39: User Authentication And Encryption

    3.2.3.1.2 Authentication Type The IEEE 802.11b/g standard describes a simple authentication method between the wireless stations and AP. Three authentication types are defined: Auto, Open System and Shared Key. Chapter 3 Wireless LAN Network ZyXEL AG-220 User’s Guide...

  • Page 40: Ieee 802.1X

    ZyXEL AG-220 User’s Guide • Open System mode is implemented for ease-of-use and when security is not an issue. The wireless station and the AP or peer computer do not share a secret key. Thus the wireless stations can associate with any AP or peer computer and listen to any transmitted data that is not encrypted.

  • Page 41: Wifi Protected Setup

    If you need to make sure that WPS worked, check the list of associated wireless clients in the AP’s configuration utility. If you see the wireless client in the list, WPS was successful. Chapter 3 Wireless LAN Network Section 4.7 on page 68). ZyXEL AG-220 User’s Guide...

  • Page 42: Pin Configuration

    ZyXEL AG-220 User’s Guide 3.3.2 PIN Configuration Each WPS-enabled device has its own PIN (Personal Identification Number). This may either be static (it cannot be changed) or dynamic (in some devices you can generate a new PIN by clicking on a button in the configuration interface).

  • Page 43: How Wps Works

    The following figure shows a WPS-enabled client (installed in a notebook computer) connecting to a WPS-enabled access point. Chapter 3 Wireless LAN Network This device’s WPS PIN: 123456 Enter WPS PIN from other device: START START WITHIN 2 MINUTES SECURE EAP TUNNEL SSID WPA(2)-PSK COMMUNICATION ZyXEL AG-220 User’s Guide REGISTRAR...

  • Page 44: Example Wps Network Setup

    ZyXEL AG-220 User’s Guide Figure 22 How WPS works ACTIVATE ENROLLEE The roles of registrar and enrollee last only as long as the WPS setup process is active (two minutes). The next time you use WPS, a different device can be the registrar if necessary.

  • Page 45: Figure 23 Wps: Example Network Step 1

    AP1 for the WPS handshake with the new access point. However, you know that Client 2 supports the registrar function, so you use it to perform the WPS handshake instead. Chapter 3 Wireless LAN Network SECURITY INFO EXISTING CONNECTION ZyXEL AG-220 User’s Guide REGISTRAR REGISTRAR...

  • Page 46: Limitations Of Wps

    ZyXEL AG-220 User’s Guide Figure 25 WPS: Example Network Step 3 CLIENT 1 REGISTRAR CLIENT 2 3.3.4 Limitations of WPS WPS has some limitations of which you should be aware. • WPS works in Infrastructure networks only (where an AP and a wireless client communicate).

  • Page 47: Introduction To Otist

    OTIST button, the default (01234567) or previous saved (through the web configurator) Setup key is used to encrypt the settings that you want to transfer. Hold in the OTIST button for about two seconds. Chapter 3 Wireless LAN Network ZyXEL AG-220 User’s Guide...

  • Page 48: Wireless Client

    ZyXEL AG-220 User’s Guide In the web configurator, go to the Wireless LAN main screen and then select OTIST. To change the Setup key, enter zero to eight printable characters. To have OTIST automatically generate a WPA-PSK key, select the Yes! check box. If you manually configured a WEP key or a WPA-PSK key and you also selected this check box, then the key you manually configured is used.

  • Page 49: Notes On Otist

    AP to transfer settings. 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). Chapter 3 Wireless LAN Network ZyXEL AG-220 User’s Guide...
  • Page 50 ZyXEL AG-220 User’s Guide 5 If you configure OTIST to generate a WPA-PSK key, this key changes each time you run OTIST. Therefore, if a new wireless client joins your wireless network, you need to run OTIST on the AP and ALL the wireless clients again.

  • Page 51: Wireless Station Mode Configuration

    H A P T E R Wireless Station Mode Configuration for how to configure the AG-220 in access point mode. 25). scan for a wireless network configure wireless security (if activated on the selected network). connect to a wireless network. ZyXEL AG-220 User’s Guide...

  • Page 52: The Link Info Screen

    ZyXEL AG-220 User’s Guide 4.2 The Link Info Screen When the ZyXEL utility starts, the Link Info screen displays, showing the current configuration and connection status of your AG-220. Figure 27 Station Mode: Link Info The following table describes the labels in this screen.

  • Page 53: Trend Chart

    LABEL DESCRIPTION Transmit This field displays the current data transmission rate in kilobits per second (Kbps). Receive This field displays the current data receiving rate in kilobits per second (Kbps). Chapter 4 Wireless Station Mode Configuration ZyXEL AG-220 User’s Guide...

  • Page 54: The Site Survey Screen

    ZyXEL AG-220 User’s Guide 4.3 The Site Survey Screen Use the Site Survey screen to scan for and connect to a wireless network automatically. Figure 29 Station Mode: Site Survey The following table describes the labels in this screen. Table 5 Station Mode: Site Survey...

  • Page 55: Security Settings

    Select a default WEP key to use for data encryption. The key displays in the field below. Chapter 4 Wireless Station Mode Configuration Section 3.2.3.1.2 on page 39 for more information. Section 3.2.3.1.1 on page 39 ZyXEL AG-220 User’s Guide for more...

  • Page 56: Wpa-Psk/Wpa2-Psk

    ZyXEL AG-220 User’s Guide Table 6 Station Mode: Security Setting: WEP (continued) LABEL DESCRIPTION Key x (where x is a Select this option if you want to manually enter the WEP keys. Enter the WEP key number between 1 in the field provided.

  • Page 57: Wpa/Wpa2

    Select an authentication method from the drop down list. Options are TLS and PEAP. Chapter 4 Wireless Station Mode Configuration Section 3.2.3.3 on page 40 for more information. Section 4.3.2 on page Section 3.2.3.3 on page 40 for more information. ZyXEL AG-220 User’s Guide...

  • Page 58: Ieee 802.1X

    ZyXEL AG-220 User’s Guide Table 8 Station Mode: Security Setting: WPA/WPA2 LABEL DESCRIPTION Login Name Enter a user name. This is the user name that you or an administrator set up on a RADIUS server. Note: At the time of writing this field is not available on Windows Password This field is not available when you select TLS in the Authentication Type field.

  • Page 59: Confirm Save Screen

    Use this screen to confirm and save the security settings. Chapter 4 Wireless Station Mode Configuration Vista. Vista. obtain the certificate(s) from a certificate authority (CA). Consult your network administrator for more information. Section 4.3.2 on page ZyXEL AG-220 User’s Guide...

  • Page 60: Confirm Save Screen

    ZyXEL AG-220 User’s Guide Figure 34 Confirm Save Screen The following table describes the labels in this screen. Table 10 Confirm Save Screen LABEL DESCRIPTION Security Setting Network Name This field displays the SSID previously entered. Network Type This field displays the network type (Infrastructure or Ad-Hoc) of the wireless device.

  • Page 61: Figure 35 Station Mode: Profile

    Ad-Hoc mode and the wireless security is activated. denotes that the wireless device is in Ad-Hoc mode but the wireless security is deactivated. ZyXEL AG-220 User’s Guide...

  • Page 62: Adding A New Profile

    ZyXEL AG-220 User’s Guide Table 11 Station Mode: Profile (continued) LABEL DESCRIPTION SSID This field displays the SSID (Service Set IDentifier) of the profile. Channel This field displays the channel number used by the profile. Security This field shows whether data encryption is activated (WEP (WEP or 802.1x), WPA, WPA-PSK, WPA2, WPA2-PSK) or inactive (DISABLE).

  • Page 63: Figure 37 Station Mode: Profile: Select A Channel

    Ad-Hoc mode and the wireless security is activated. denotes that the wireless device is in Ad-Hoc mode but the wireless security is deactivated. ZyXEL AG-220 User’s Guide...

  • Page 64: Figure 38 Station Mode: Profile: Wireless Settings

    ZyXEL AG-220 User’s Guide The following table describes the labels in this screen. Table 13 Station Mode: Profile: Select a Channel LABEL DESCRIPTION Wireless Settings Channel Select a channel number from the drop-down list box. To associate to an ad-hoc network, you must use the same channel as the peer computer.

  • Page 65: Figure 39 Station Mode: Profile: Security Settings

    Later button. You can activate only one profile at a time. Note: Once you activate a profile, the ZyXEL utility will use that profile the next time it is started. Chapter 4 Wireless Station Mode Configuration ZyXEL AG-220 User’s Guide...

  • Page 66: The Advanced Screen

    ZyXEL AG-220 User’s Guide Figure 41 Station Mode: Profile: Activate the Profile 4.5 The Advanced Screen To set the network mode of the AG-220, click the Advanced tab. Note: This screen is not available in Windows Vista. Figure 42 Station Mode: Advanced The following table describes the labels in this screen.

  • Page 67: The Adapter Screen

    AG-220 uses long preamble. Note: The AG-220 and the access point or wireless stations MUST Chapter 4 Wireless Station Mode Configuration 11Mbps. use the same preamble mode in order to communicate. ZyXEL AG-220 User’s Guide Section 4.7 on...

  • Page 68: The Adapter Screen (Windows Vista)

    ZyXEL AG-220 User’s Guide Table 15 Station Mode: Adapter (continued) LABEL DESCRIPTION Power Saving Select Maximum Power Save or Fast Power Save to save power (especially for Mode notebook computers). This forces the AG-220 to go to sleep mode when it is not transmitting data.

  • Page 69: Security Settings In Windows Vista

    Section 4.8.1 on page 70 Chapter 4 Wireless Station Mode Configuration wireless router, you must also make the same change here. to use PEAP, or see Section 4.8.2 on page 70 ZyXEL AG-220 User’s Guide to use TLS.

  • Page 70: Using Peap In Vista

    ZyXEL AG-220 User’s Guide 4.8.1 Using PEAP in Vista Take the following steps to set up WPA, WPA2 or 802.1x security using PEAP in Windows Vista. 1 Either select the AP to which you want to connect in the Site Survey screen (see 4.3 on page...

  • Page 71: Figure 47 Vista Security: Additional Information Required

    (see Section 4.2 on page connection, you have successfully completed the procedure. Chapter 4 Wireless Station Mode Configuration ZyXEL AG-220 User’s Guide Section 4.4 on page 60) in the normal way. 52). If the Link Info screen displays an active...
  • Page 72 ZyXEL AG-220 User’s Guide Chapter 4 Wireless Station Mode Configuration...

  • Page 73: Access Point Mode Configuration

    MAC Filter Use this screen to configure which computer(s) you want access to the wireless LAN through the AG-220. Chapter 5 Access Point Mode Configuration H A P T E R Access Point Mode Configuration 25). ZyXEL AG-220 User’s Guide...

  • Page 74: Additional Setup Requirements

    ZyXEL AG-220 User’s Guide 5.1.2 Additional Setup Requirements To bridge your wired and wireless network using the AG-220, the following requirements must be met: 1 The AG-220 must be installed on a computer connected to the wired network. 2 Either bridge the two interfaces (wireless and wired) on the computer (using the...

  • Page 75: The Configuration Screen

    Click Configuration in the ZyXEL utility screen to display the screen as shown. Figure 51 Access Point Mode: Configuration Chapter 5 Access Point Mode Configuration denotes a wireless client without WEP security. denotes a wireless client with WEP security enabled. ZyXEL AG-220 User’s Guide...

  • Page 76: Table 19 Access Point Mode: Configuration

    ZyXEL AG-220 User’s Guide The following table describes the labels in this screen. Table 19 Access Point Mode: Configuration LABEL DESCRIPTION Wireless Settings SSID The SSID identifies the wireless network to which a wireless station is associated. Wireless stations associating to the access point (the AG-220) must have the same SSID.

  • Page 77: The Advanced Screen

    HEX key type Enter 29 ASCII characters (case sensitive) ranging from "a-z", "A-Z" and "0-9" (for example, MyKey111122223333444455556678) for ASCII key type. same on all wireless devices in the same wireless LAN. ASCII WEP keys are case sensitive. ZyXEL AG-220 User’s Guide...

  • Page 78: The Mac Filter Screen

    ZyXEL AG-220 User’s Guide Figure 52 Access Point Mode: Advanced The following table describes the labels in this screen. Table 20 Access Point Mode: Advanced LABEL Advanced Setting Frequency Save 5.5 The MAC Filter Screen The MAC Filter screen allows you to configure the AG-220 to give exclusive access to devices (Accept) or exclude devices from connecting to the AG-220 (Reject).

  • Page 79: Figure 53 Access Point Mode: Mac Filter

    If you enter an invalid MAC address, once you click Save to save the values, a warning screen will be displayed. Save Click Save to save the changes to the AG-220. Cancel Click Cancel to discard the changes. Chapter 5 Access Point Mode Configuration ZyXEL AG-220 User’s Guide...
  • Page 80 ZyXEL AG-220 User’s Guide Chapter 5 Access Point Mode Configuration...

  • Page 81: Chapter 6 Maintenance

    6.2 Uninstalling the ZyXEL Utility 6.2.1 Windows XP Follow the steps below to remove (or uninstall) the ZyXEL utility from your Windows XP computer. Chapter 6 Maintenance ZyXEL AG-220 User’s Guide H A P T E R Maintenance ) button.

  • Page 82: Windows Vista

    ZyXEL AG-220 User’s Guide 1 Click Start, (All) Programs, ZyXEL AG-220 Wireless USB Adapter Utility, Uninstall ZyXEL AG-220 Wireless USB Adapter Utility. 2 When prompted, click OK or Yes to remove the driver and the utility software. Figure 55 Uninstall: Confirm 3 Click Finish to complete uninstalling the software and restart the computer when prompted.

  • Page 83: Figure 58 Uninstall: Control Panel

    3 On the Control Panel screen click Uninstall a program. Figure 59 Uninstall: Control Panel 4 On the Uninstall Program screen double click ZyXEL AG-220 Wireless USB Adapter Utility. You may need to scroll down to find this if you have many programs installed.

  • Page 84: Upgrading The Zyxel Utility

    ZyXEL AG-220 User’s Guide Figure 62 Uninstall: Finish 6.3 Upgrading the ZyXEL Utility Note: Before you uninstall the ZyXEL utility, take note of your current wireless configurations. 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.

  • Page 85: Chapter 7 Troubleshooting

    Before you use the Windows XP configuration tool, make sure you set the AG-220 scan for or to operate in station mode before you close and exit the ZyXEL utility. connect to any access points. Chapter 7 Troubleshooting ZyXEL AG-220 User’s Guide H A P T E R Troubleshooting...

  • Page 86: Problem With The Link Quality

    ZyXEL AG-220 User’s Guide 7.3 Problem with the Link Quality Table 25 Troubleshooting Link Quality PROBLEM CORRECTIVE ACTION The link quality Search and connect to another AP with a better link quality using the Site Survey and/or signal screen. strength is poor all Move your computer closer to the AP or the peer computer(s) within the the time.

  • Page 87: Product Specifications

    Dimension RADIO SPECIFICATIONS Media Access Protocol Frequency Appendix A P P E N D I X Product Specifications ZyXEL AG-220 802.11a/g Wireless USB Adapter USB 2.0 compatible IEEE 802.11a IEEE 802.11b IEEE 802.11g Infrastructure Ad-Hoc 0 ~ 50 degrees Centigrade...
  • Page 88 ZyXEL AG-220 User’s Guide Table 27 Product Specifications (continued) Operating Frequencies and Channels Data Rate Modulation Average Output Power RX Sensitivity SOFTWARE SPECIFICATIONS Device Drivers Security Roaming IEEE 802.11b/g: 2.412 ~ 2.484 GHz FCC: 11 channels Taiwan: 11 channels CE: 13 channels IEEE 802.11a 5.180 ~ 5.825 GHz:...

  • Page 89: Access Point Mode Setup Example

    3 Right-click on the icon for your wired Ethernet adapter and click Properties. Appendix B P P E N D I X for setup methods and requirements. to set the AG-220 to operate in AP mode. ZyXEL AG-220 User’s Guide...

  • Page 90: Figure 64 Windows 2000: Network And Dial-Up Connections

    ZyXEL AG-220 User’s Guide Figure 64 Windows 2000: Network and Dial-up Connections 4 A Properties screen displays. Click the Sharing tab and select Enable Internet Connection Sharing for this connection. Click OK. Figure 65 Windows 2000: Network Properties If there is more than one network adapter on the computer, select Enable Internet Connection Sharing for this connection and select the network adapter to which you want to share network access.

  • Page 91: Figure 66 Windows 2000: Network Properties: Select Network Adapter

    Figure 67 Windows 2000: Local Network Configuring the Wireless Station Computer Refer to Appendix E on page 121 computer you want to connect wirelessly to the AG-220. Appendix B ZyXEL AG-220 User’s Guide for information on how to set up the IP address of a...
  • Page 92 ZyXEL AG-220 User’s Guide Appendix B...

  • Page 93: Windows Vista

    1 In the Windows Vista taskbar, click Start ( Figure 68 Vista: Start Menu The Connect To window displays, showing all available networks. Appendix C ZyXEL AG-220 User’s Guide P P E N D I X ) > Connect To.

  • Page 94: Figure 69 Vista: The Connect To Window

    ZyXEL AG-220 User’s Guide Figure 69 Vista: The Connect To Window The security status of each wireless network displays, as well as an indication of its signal strength. If you use the mouse pointer to hover over a network’s entry, additional information about the network displays.

  • Page 95: Figure 71 Vista: Enter Security Key

    Figure 71 Vista: Enter Security Key Your computer tries to connect to the wireless network. Figure 72 Vista: Connecting If your computer has connected to the wireless network successfully, the following screen displays. Appendix C ZyXEL AG-220 User’s Guide...

  • Page 96: Figure 73 Vista: Successful Connection

    ZyXEL AG-220 User’s Guide Figure 73 Vista: Successful Connection 4 If you will use this network again, ensure that Save this network is selected. If you save the network, you do not have to configure its settings again. 5 Select Start this connection automatically if you want Windows to always try to use this network when you start up your computer.

  • Page 97: Figure 74 Vista: Choose A Connection Option

    Select the type of security used by the network to which you want to connect. The types of available security shown depend on your computer’s wireless client. In this field, WPA(2)-Personal is the same as WPA(2)-PSK, and WPA(2)- Enterprise is the same as WPA(2) ZyXEL AG-220 User’s Guide...

  • Page 98: Figure 76 Vista: Successfully Added Network

    ZyXEL AG-220 User’s Guide Table 28 Vista: Connect Manually LABEL Encryption type Security Key / Passphrase Display Characters Start this connection automatically Connect even if the network is not broadcasting Next Cancel 3 When you have finished filling in the fields, click Next. the following screen displays.

  • Page 99: Figure 77 Vista: Set Up An Ad-Hoc Network

    If you are not sure what kind of security you want to use, click the Help me choose link. Make sure all the wireless clients on your ad-hoc network can support the type of security you select. Appendix C ) > Connect To. In the Connect to screen, click Set up a connection ZyXEL AG-220 User’s Guide...

  • Page 100: Activating Wireless Zero Configuration

    ZyXEL AG-220 User’s Guide 4 Enter the Security key/Passphrase. Everybody on the network must enter this key in their computer’s wireless client in order to access the network. If you want to see the characters you entered, select the Display characters box. Otherwise, leave it empty (dots display instead of the characters).

  • Page 101: Figure 80 Windows Xp Sp1: Wireless Network Connection Status

    Figure 81 Windows XP SP2: Wireless Network Connection Status 4 The Wireless Network Connection Properties screen displays. Click the Wireless Networks tab. Make sure the Use Windows to configure my wireless network settings check box is selected. Appendix C ZyXEL AG-220 User’s Guide...

  • Page 102: Figure 82 Windows Xp Sp1: Wireless Network Connection Properties

    ZyXEL AG-220 User’s Guide Figure 82 Windows XP SP1: Wireless Network Connection Properties Figure 83 Windows XP SP2: Wireless Network Connection Properties If you see the following screen, refer to article 871122 on the Microsoft web site for information on starting WZC.

  • Page 103: Connecting To A Wireless Network

    The AG-220 is not connected to a wireless network. 2 Windows XP SP2: In the Wireless Network Connection Status screen, click View Wireless Networks to open the Wireless Network Connection screen. Appendix C ZyXEL AG-220 User’s Guide...

  • Page 104: Figure 86 Windows Xp Sp2: Wireless Network Connection Status

    ZyXEL AG-220 User’s Guide Figure 86 Windows XP SP2: Wireless Network Connection Status 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. Figure 87 Windows XP SP1: Wireless Network Connection Status 3 Windows XP SP2: Click Refresh network list to reload and search for available wireless devices within transmission range.

  • Page 105: Figure 88 Windows Xp Sp2: Wireless Network Connection

    Configure and set the related fields to the same security settings as the associated AP to add the selected network into the Preferred networks table. Click OK to join the selected wireless network. Refer to the section on security settings (discussed later) for more information. Appendix C ZyXEL AG-220 User’s Guide...

  • Page 106: Figure 89 Windows Xp Sp1: Wireless Network Connection Properties

    ZyXEL AG-220 User’s Guide Figure 89 Windows XP SP1: Wireless Network Connection Properties 4 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 and click Connect.

  • Page 107: Figure 91 Windows Xp Sp2: Wireless Network Connection: No Security

    AG-220, you will see different screens according to the authentication and encryption methods used by the selected network. Association Select a network in the Preferred networks list and click Properties to view or configure security. Figure 92 Windows XP: Wireless (network) properties: Association Appendix C ZyXEL AG-220 User’s Guide...

  • Page 108: Table 32 Windows Xp: Wireless (Network) Properties: Association

    ZyXEL AG-220 User’s Guide The following table describes the labels in this screen. Table 32 Windows XP: Wireless (network) properties: Association LABEL DESCRIPTION Network name This field displays the SSID (Service Set IDentifier) of each wireless network. (SSID) Network This field automatically shows the authentication method (Share, Open, WPA or Authentication WPA-PSK) used by the selected network.

  • Page 109: Figure 93 Windows Xp: Wireless (Network) Properties: Authentication

    Click Cancel to leave this screen without saving any changes you may have made. Authentication Properties Select an EAP authentication type in the Wireless (network) properties: Authentication screen and click the Properties button to display the following screen. Appendix C ZyXEL AG-220 User’s Guide...

  • Page 110: Figure 94 Windows Xp: Protected Eap Properties

    ZyXEL AG-220 User’s Guide Protected EAP Properties Figure 94 Windows XP: Protected EAP Properties The following table describes the labels in this screen. Table 34 Windows XP: Protected EAP Properties LABEL DESCRIPTION Validate server Select the check box to verify the certificate of the authentication server.

  • Page 111: Ordering The Preferred Networks

    Click Cancel to leave this screen without saving any changes you may have made. Ordering the Preferred Networks Follow the steps below to manage your preferred networks. Appendix C obtain the certificate(s) from a certificate authority (CA). Consult your network administrator for more information. ZyXEL AG-220 User’s Guide...

  • Page 112: Figure 96 Windows Xp Sp2: Wireless Networks: Preferred Networks

    ZyXEL AG-220 User’s Guide 1 Windows XP SP2: Click Change the order of preferred networks in the Wireless Network Connection screen (see Figure 96 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.
  • Page 113 ZyXEL AG-220 User’s Guide the security, authentication or connection information of the selected network. Click Add to add a preferred network into the list manually. Appendix C...
  • Page 114 ZyXEL AG-220 User’s Guide Appendix C...

  • Page 115: Types Of Eap Authentication

    MD5 authentication method does not perform mutual authentication. Finally, MD5 authentication method does not support data encryption with dynamic session key. You must configure WEP encryption keys for data encryption. Appendix D ZyXEL AG-220 User’s Guide P P E N D I X Wireless Security...

  • Page 116: Dynamic Wep Key Exchange

    ZyXEL AG-220 User’s Guide EAP-TLS (Transport Layer Security) With EAP-TLS, digital certifications are needed by both the server and the wireless stations for mutual authentication. The server presents a certificate to the client. After validating the identity of the server, the client sends a different certificate to the server. The exchange of certificates is done in the open before a secured tunnel is created.

  • Page 117: Table 36 Comparison Of Eap Authentication Types

    Encryption Standard (AES) in the Counter mode with Cipher block chaining Message authentication code Protocol (CCMP) to offer stronger encryption than TKIP. Appendix D EAP-MD5 EAP-TLS EAP-TTLS Optional None Strong Strong Easy Hard Moderate ZyXEL AG-220 User’s Guide PEAP LEAP Optional Strong Moderate Moderate Moderate...

  • Page 118: User Authentication

    ZyXEL AG-220 User’s Guide TKIP uses 128-bit keys that are dynamically generated and distributed by the authentication server. AES (Advanced Encryption Standard) is a block cipher that uses a 256-bit mathematical algorithm called Rijndael. They both include a per-packet key mixing function, a Message Integrity Check (MIC) named Michael, an extended initialization vector (IV) with sequencing rules, and a re-keying mechanism.

  • Page 119: Wpa With Radius Application Example

    AP and the wireless clients. Appendix D ZyXEL AG-220 User’s Guide...

  • Page 120: Security Parameters Summary

    ZyXEL AG-220 User’s Guide Figure 99 WPA(2) with RADIUS Application Example Security Parameters Summary Refer to this table to see what other security parameters you should configure for each Authentication Method/ key management protocol type. MAC address filters are not dependent on how you configure these security features.

  • Page 121: Setting Up Your Computer's Ip Address

    After the appropriate TCP/IP components are installed, configure the TCP/IP settings in order to "communicate" with your network. Windows 98/Me Click Start, Settings, Control Panel and double-click the Network icon to open the Network window Appendix E ZyXEL AG-220 User’s Guide P P E N D I X...

  • Page 122: Installing Components

    ZyXEL AG-220 User’s Guide Figure 100 WIndows 98/Me: Network: Configuration Installing Components The Network window Configuration tab displays a list of installed components. You need a network adapter, the TCP/IP protocol and Client for Microsoft Networks. If you need the adapter: 1 In the Network window, click Add.

  • Page 123: Figure 101 Windows 98/Me: Tcp/Ip Properties: Ip Address

    If you do not know your DNS information, select Disable DNS. If you know your DNS information, select Enable DNS and type the information in the fields below (you may not need to fill them all in). ZyXEL AG-220 User’s Guide...

  • Page 124: Verifying Settings

    ZyXEL AG-220 User’s Guide Figure 102 Windows 98/Me: TCP/IP Properties: DNS Configuration 4 Click the Gateway tab. • • 5 Click OK to save and close the TCP/IP Properties window. 6 Click OK to close the Network window. Insert the Windows CD if prompted.

  • Page 125: Figure 103 Windows Xp: Start Menu

    Figure 103 Windows XP: Start Menu 2 For Windows XP, click Network Connections. For Windows 2000, click Network and Dial-up Connections. Figure 104 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Properties. Appendix E ZyXEL AG-220 User’s Guide...

  • Page 126: Figure 105 Windows Xp: Control Panel: Network Connections: Properties

    ZyXEL AG-220 User’s Guide Figure 105 Windows XP: Control Panel: Network Connections: Properties 4 Select Internet Protocol (TCP/IP) (under the General tab in Win XP) and click Properties. Figure 106 Windows XP: Local Area Connection Properties 5 The Internet Protocol TCP/IP Properties window opens (the General tab in Windows XP).

  • Page 127: Figure 107 Windows Xp: Advanced Tcp/Ip Settings

    Gateway. To manually configure a default metric (the number of transmission hops), clear the Automatic metric check box and type a metric in Metric. Click Add. Repeat the previous three steps for each default gateway you want to add. Click OK when finished. ZyXEL AG-220 User’s Guide...

  • Page 128: Figure 108 Windows Xp: Internet Protocol (Tcp/Ip) Properties

    ZyXEL AG-220 User’s Guide • • Figure 108 Windows XP: Internet Protocol (TCP/IP) Properties 8 Click OK to close the Internet Protocol (TCP/IP) Properties window. 9 Click OK to close the Local Area Connection Properties window. 10Restart your computer (if prompted).

  • Page 129: Figure 109 Windows Vista: Start Menu

    2 In the Control Panel, double-click Network and Internet. Figure 110 Windows Vista: Control Panel 3 Click Network and Sharing Center. Figure 111 Windows Vista: Network And Internet 4 Click Manage network connections. Figure 112 Windows Vista: Network and Sharing Center Appendix E ZyXEL AG-220 User’s Guide...

  • Page 130: Figure 113 Windows Vista: Network And Sharing Center

    ZyXEL AG-220 User’s Guide 5 Right-click Local Area Connection and then click Properties. During this procedure, click Continue whenever Windows displays a screen saying that it needs your permission to continue. Figure 113 Windows Vista: Network and Sharing Center 6 Select Internet Protocol Version 4 (TCP/IPv4) and click Properties.

  • Page 131: Figure 115 Windows Vista: Internet Protocol Version 4 (Tcp/Ipv4) Properties

    To manually configure a default metric (the number of transmission hops), clear the Automatic metric check box and type a metric in Metric. • Click Add. • Repeat the previous three steps for each default gateway you want to add. • Click OK when finished. Appendix E ZyXEL AG-220 User’s Guide...

  • Page 132: Figure 116 Windows Vista: Advanced Tcp/Ip Properties

    ZyXEL AG-220 User’s Guide Figure 116 Windows Vista: Advanced TCP/IP Properties 9 In the Internet Protocol Version 4 (TCP/IPv4) Properties window, (the General tab): • Click Obtain DNS server address automatically if you do not know your DNS server IP address(es).

  • Page 133: Figure 117 Windows Vista: Internet Protocol Version 4 (Tcp/Ipv4) Properties

    1 Click Start, All Programs, Accessories and then Command Prompt. 2 In the Command Prompt window, type "ipconfig" and then press [ENTER]. You can also open Network Connections, right-click a network connection, click Status and then click the Support tab. Appendix E ZyXEL AG-220 User’s Guide...
  • Page 134 ZyXEL AG-220 User’s Guide Appendix E...

  • Page 135: Index

    About About your ZyXEL AG-220 Access point (AP) 23, 37 Access point mode Access point. See also AP. Activating a profile Adapter 67, 68 Ad-Hoc 24, 63 Advanced Encryption Standard 40, 117 Advanced settings 66, 67, 68 Antenna gain Antenna output power See also access point.
  • Page 136 ZyXEL AG-220 User’s Guide EAP-TLS EAP-TTLS Enabling OTIST Encryption 54, 117 Encryption type 39, 55, 57 Environmental specifications Fast power save FCC Interference Statement Frequency 37, 66, 87 Getting started Graphics icons key Hardware connections Help Hide SSID Humidity IEEE 802.1x...
  • Page 137 38, 39, 52, 75, 88 data encryption parameters settings security settings and Vista Sensitivity Service Set Identity (SSID) 29, 37 Index ZyXEL AG-220 User’s Guide Setup key 47, 68 Shared key authentication Signal strength 53, 54 Site information Site survey scan...
  • Page 138 ZyXEL AG-220 User’s Guide Validate server certificate Vista 69, 70 Voltage Warranty Note Weight 39, 55, 76 automatic setup manual setup 39, 56, 77 passphrase 39, 55, 76 WEP (Wired Equivalent Privacy) WEP Encryption WEP key generation WEP security Wi-Fi Protected Access...

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