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ZyXEL Communications G-120 Getting Started, 1.1 About Your G-120, 1.2 Application Overview, CHAPTER, 1.2.1 Station Mode, 1.2.1.1 Infrastructure

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ZyXEL G-120 User’s Guide

CHAPTER 1

Getting Started

This chapter introduces the G-120 and prepares you to use the ZyXEL utility.

1.1 About Your G-120

The G-120 is an IEEE 802.11b/g compliant wireless LAN adapter. You can also use the ZyXEL utility to turn your G-120 into an access point (AP). The ZyXEL utility is a tool that helps you configure your G-120. See the appendix for detailed product specifications.

1.2 Application Overview

This section describes some network applications for the G-120.

1.2.1 Station Mode

The G-120 acts as a wireless LAN adapter (station mode) by default. In station mode, you can either set the network type to Infrastructure and connect to an AP or use Ad-Hocmode and connect to a peer computer (another wireless device in Ad-Hoc mode) without an AP. See Section 4.4 on page 52 for how to configure the network type.

1.2.1.1 Infrastructure

To connect to a network via an access point (AP), set the G-120 network type to Infrastructure. Through the AP, you can access the Internet or the wired network behind the AP.

Chapter 1 Getting Started

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Contents

User’s Guide Page Copyright Disclaimer Trademarks Certifications Federal Communications Commission (FCC) Interference Statement FCC Radiation Exposure Statement Notices Viewing Certifications Safety Warnings ZyXEL Limited Warranty Note Online Registration Customer Support Page Page Table of Contents Wireless Station Mode Configuration Appendix A Appendix B Appendix C Appendix D Appendix E Page List of Figures Page List of Tables Page Preface About This User's Guide Related Documentation User Guide Feedback Syntax Conventions Graphics Icons Key Getting Started 1.1 About Your G-120 1.2 Application Overview 1.2.1.2 Ad-Hoc 1.2.2 Access Point Mode Note: 1.2.3 Changing G-120Mode Station Mode AP Mode 1.3 ZyXEL Utility Icon 1.4 Configuration Methods (All) Programs ZyXEL G-120 1.4.2 Accessing the ZyXEL Utility Page Tutorial 2.1Connecting to a Wireless LAN Scan Available Network List SSID_Examples3 Back Exit 2.2Creating and Using a Profile Profile Add Add New Profile Scan Info Select Activate Now Activate Later Profile List 2.3 Configuring the G-120as an AP Configuration Page Wireless LAN Network 3.1 Wireless LAN Overview 3.2Wireless LAN Security 3.2.3.1 WEP 3.2.3.2 IEEE 3.2.3.3 WPA and WPA2 3.3 Introduction to OTIST 3.3.1.1 AP 3.3.1.2 Wireless Client 3.3.3Notes on OTIST Page Wireless Station Mode Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Access Point Mode Page Page Page Page Page Maintenance 6.1 The About Screen 6.2 Uninstalling the ZyXEL Utility 6.3 Upgrading the ZyXEL Utility Page Page Troubleshooting 7.1 Problems Starting the ZyXEL Utility 7.2 Problems with the Link Quality 7.3 Problems Communicating With Other Computers Product Specifications Page Access Point Mode Setup Example Configuring the Computer on Which You Install the G-120 Sharing Enable Internet Connection Sharing for this connection Configuring the Wireless Station Computer Page Activating Wireless Zero Configuration Connecting to a Wireless Network Wireless Networks Wireless Network Connection Properties Refresh network list Refresh Available networks Configure Preferred Wireless Network Connection Security Settings Page Authentication Authentication Properties Smart Card or other Certificate Properties Ordering the Preferred Networks Move up Move down Remove Page Wireless Security Types of EAP Authentication Dynamic WEP Key Exchange WPA and WPA2 User Authentication WPA(2)-PSKApplication Example WPA(2) with RADIUS Application Example Security Parameters Summary Setting up Your Computer’s IP Address Windows 98/Me Installing Components Protocol Microsoft manufacturers TCP/IP Configuring IP Address Obtain an IP address automatically Specify an IP address Subnet Mask Windows 2000/XP Network Connections Network and Dial-up Connections 3Right-click Local Area Connection and then click Properties Internet Protocol (TCP/IP) General Use the following IP Address IP address Subnet mask Default gateway Advanced Use the following DNS server addresses Preferred DNS server Alternate DNS server 8Click OK to close the Internet Protocol (TCP/IP) Properties window 9Click OK to close the Local Area Connection Properties window Index