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ZyXEL NWD2105 User Guide - Page 32

Wireless LANs, 3.1 Overview, 3.1.1 What You Can Do in This What You Need to Know

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CHAPTER 3 Wireless LANs 3.1 Overview This section provides background information on wireless Local Area Networks. 3.1.1 What You Can Do in This Section • Connect securely to an AP using many of the strongest and most common encryption protocols. See Section 3.3 on page 34 for details. • Connect securely either to an AP or computer-to-computer using WPS. See Section 3.4 on page 36 for details. 3.1.2 What You Need to Know The following terms and concepts may help as you read through this section. Server When two or more devices are connected digitally to form a network, the one that distributes data to the other devices is known as the "server". A RADIUS (Remote Authentication Dial-In User Service) is a kind of server that manages logins and logout, among other things, for the network to which it is connected. Client When two or more devices are connected digitally to form a network, the one that contacts and obtains data from a server is known as the "client". Each client is designed to work with one or more specific kinds of servers, and each server requires a specific kind of client. Wireless adapters are clients that connect to a network server through an AP. Authentication Authentication is the process of confirming a client's or user's digital identity when they connect to a network. Turning off authentication means disabling all security protocols and opening your network to anyone with the means to connect to it. Encryption The process of taking data and encoding it, usually using a mathematical formula, so that it becomes unreadable unless decrypted with the proper code or pass phrase. NWD2105 User's Guide 32

Section	Page
NWD2105	1
About This User's Guide	3
Document Conventions	5
Safety Warnings	7
Contents Overview	9
Table of Contents	11
Introduction and Configuration	15
Getting Started	17
1.1 Overview	17
1.1.1 What You Need to Know	17
1.1.2 Before You Begin	17
1.2 About Your NWD2105	18
1.2.1 Hardware	18
1.3 Application Overview	18
1.3.1 Infrastructure	19
1.3.2 Ad-Hoc	19
1.4 Hardware and Utility Installation	20
1.4.1 ZyXEL Utility Icon	20
1.5 Configuration Methods	21
1.5.1 Enabling Windows Wireless Configuration	21
1.5.2 Accessing the ZyXEL Utility	21
Tutorial	22
2.1 Overview	22
2.1.1 What You Can Do in This Tutorial	22
2.1.2 What You Need to Know	22
2.1.3 Before You Begin	22
2.2 Connecting to an AP using Wi-Fi Protected Setup (WPS)	23
2.2.1 Push Button Configuration (PBC)	23
2.2.2 PIN Configuration	24
2.3 Connecting to an AP Without Using WPS	26
2.3.1 Manually Connecting to a Wireless LAN	26
2.3.2 Creating and Using a Profile	28
2.4 Configuring the NWD2105 as an AP	30
Wireless LANs	32
3.1 Overview	32
3.1.1 What You Can Do in This Section	32
3.1.2 What You Need to Know	32
3.1.3 Before You Begin	33
3.2 Wireless LAN Overview	33
3.3 Wireless LAN Security	34
3.3.1 User Authentication and Encryption	34
3.4 WiFi Protected Setup	36
3.4.1 Push Button Configuration	36
3.4.2 PIN Configuration	36
3.4.3 How WPS Works	38
3.4.4 Limitations of WPS	41
Station Mode	43
4.1 Overview	43
4.1.1 What You Can Do in This Section	43
4.1.2 What You Need to Know	43
4.1.3 Before You Begin	44
4.2 ZyXEL Utility Screen Summary	44
4.3 The Link Info Screen	45
4.3.1 Trend Chart	46
4.4 The Site Survey Screen	47
4.4.1 Security Settings	48
4.4.2 Summary Screen	53
4.5 The Profile Screen	54
4.5.1 Adding a New Profile	55
4.6 The Adapter Screen	59
4.6.1 WPS: PBC (Push Button Configuration)	60
4.6.2 WPS: PIN - Use this Device’s PIN	60
4.6.3 WPS: PIN - Use the PIN from the AP or Wireless Router	61
4.7 Security Settings in Windows Vista	61
4.7.1 Using PEAP in Vista	62
4.7.2 Using TLS in Vista	63
AP Mode	64
5.1 Overview	64
5.1.1 What You Can Do in This Section	65
5.1.2 What You Need to Know	65
5.1.3 Before You Begin	65
5.2 AP Mode Screen Summary	66
5.3 The Link Info Screen	67
5.4 The Configuration Screen	68
5.4.1 Security Settings	69
5.5 The MAC Filter Screen	71
Maintenance	73
6.1 Overview	73
6.1.1 What You Can Do in This Section	73
6.1.2 What You Need to Know	73
6.1.3 Before You Begin	73
6.2 The About Screen	74
6.3 Uninstalling the ZyXEL Utility	74
6.4 Upgrading the ZyXEL Utility	75
Troubleshooting and Specifications	77
Troubleshooting	79
7.1 Power, Hardware Connections, and LEDs	79
7.2 Accessing the ZyXEL Utility	80
7.3 Link Quality	80
7.4 Problems Communicating with Other Computers	80
Product Specifications	83
Appendices and Index	87
Setting Up Your Computer’s IP Address	89
Wireless LANs	119
Windows Wireless Management	133
Wireless for Windows 7	157
Legal Information	163

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NWD2105 User’s Guide

HAPTER

Wireless LANs

3.1

Overview

This section provides background information on wireless Local Area Networks.

3.1.1

What You Can Do in This Section

•

Connect securely to an AP using many of the strongest and most common encryption protocols.

See

Section 3.3 on page 34

for details.

•

Connect securely either to an AP or computer-to-computer using WPS. See

Section 3.4 on page

for details.

3.1.2

What You Need to Know

The following terms and concepts may help as you read through this section.

Server

When two or more devices are connected digitally to form a network, the one that distributes data

to the other devices is known as the “server”. A RADIUS (Remote Authentication Dial-In User

Service) is a kind of server that manages logins and logout, among other things, for the network to

which it is connected.

Client

When two or more devices are connected digitally to form a network, the one that contacts and

obtains data from a server is known as the “client”. Each client is designed to work with one or

more specific kinds of servers, and each server requires a specific kind of client. Wireless adapters

are clients that connect to a network server through an AP.

Authentication

Authentication is the process of confirming a client’s or user’s digital identity when they connect to

a network. Turning off authentication means disabling all security protocols and opening your

network to anyone with the means to connect to it.

Encryption

The process of taking data and encoding it, usually using a mathematical formula, so that it

becomes unreadable unless decrypted with the proper code or pass phrase.