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Before You Begin, 4.2 ZyXEL Utility Screen Summary

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Chapter 4 Station Mode encryption than TKIP. WPA applies IEEE 802.1x and Extensible Authentication Protocol (EAP) to authenticate wireless clients using an external RADIUS database. The WPA protocol affords users with vastly stronger security than the WEP protocol. It comes in two different varieties: WPA and WPA2. Always try to use WPA2 as it implements the full version of the security standard while WPA does not. Pre-Shared Key (PSK) A pre-shared key is a password shared between the server and the client that unlocks the algorithm used to encrypt the data traffic between them. Without the proper password, the client and the server cannot communicate. Extensible Authentication Protocol (EAP) An enhanced security framework designed to improve an existing security protocol, such as WPA-PSK or WPA2-PSK. 4.1.3 Before You Begin • Make sure the ZyXEL utility is already installed. See the Quick Start Guide for more. 4.2 ZyXEL Utility Screen Summary This section describes the ZyXEL utility screens. Figure 28 ZyXEL Utility Menu Summary The following table describes the menus. Table 4 ZyXEL Utility Menu Summary TAB DESCRIPTION Link Info Use this screen to see your current connection status, configuration and data rate statistics. Site Survey Use this screen to: • scan for a wireless network. • configure wireless security (if activated on the selected network). • connect to a wireless network. Profile Use this screen to add, delete, edit or activate a profile with a set of wireless and security settings. Adapter Use this screen to configure preamble type, enable power saving and use WiFi Protected Setup (WPS). 44 NWD-270N User's Guide

Section	Page
User’s Guide	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	7
Table of Contents	9
Introduction and Configuration	13
Getting Started	15
1.1 Overview	15
1.1.1 What You Need to Know	15
1.1.2 Before You Begin	15
1.2 About Your NWD-270N	16
1.2.1 Hardware	16
1.3 Application Overview	17
1.3.1 Infrastructure	17
1.3.2 Ad-Hoc	17
1.4 Hardware and Utility Installation	18
1.4.1 ZyXEL Utility Icon	18
1.5 Configuration Methods	19
1.5.1 Enabling Windows Wireless Configuration	19
1.5.2 Accessing the ZyXEL Utility	20
Tutorial	21
2.1 Overview	21
2.1.1 What You Can Do in This Tutorial	21
2.1.2 What You Need to Know	21
2.1.3 Before You Begin	22
2.2 Connecting to an AP using Wi-Fi Protected Setup (WPS)	22
2.2.1 Push Button Configuration (PBC)	22
2.2.2 PIN Configuration	23
2.3 Connecting to an AP Without Using WPS	25
2.3.1 Manually Connecting to a Wireless LAN	25
2.3.2 Creating and Using a Profile	27
2.4 Configuring the NWD-270N as an AP	29
Wireless LANs	31
3.1 Overview	31
3.1.1 What You Can Do in This Section	31
3.1.2 What You Need to Know	31
3.1.3 Before You Begin	32
3.2 Wireless LAN Overview	32
3.3 Wireless LAN Security	33
3.3.1 User Authentication and Encryption	33
3.4 WiFi Protected Setup	35
3.4.1 Push Button Configuration	35
3.4.2 PIN Configuration	36
3.4.3 How WPS Works	37
3.4.4 Limitations of WPS	40
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	53
4.5.1 Adding a New Profile	55
4.6 The Adapter Screen	58
4.6.1 WPS: PBC (Push Button Configuration)	59
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	65
5.1 Overview	65
5.1.1 What You Can Do in This Section	66
5.1.2 What You Need to Know	66
5.1.3 Before You Begin	67
5.2 AP Mode Screen Summary	67
5.3 The Link Info Screen	68
5.4 The Configuration Screen	69
5.4.1 Security Settings	70
5.5 The MAC Filter Screen	73
Maintenance	75
6.1 Overview	75
6.1.1 What You Can Do in This Section	75
6.1.2 What You Need to Know	75
6.1.3 Before You Begin	75
6.2 The About Screen	76
6.3 Uninstalling the ZyXEL Utility	76
6.4 Upgrading the ZyXEL Utility	77
Troubleshooting and Specifications	79
Troubleshooting	81
7.1 Power, Hardware Connections, and LEDs	81
7.2 Accessing the ZyXEL Utility	82
7.3 Link Quality	82
7.4 Problems Communicating with Other Computers	82
Product Specifications	85
Appendices and Index	89
Wireless LANs	91
Windows Wireless Management	105
Legal Information	127
Customer Support	131

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Chapter 4 Station Mode

NWD-270N User’s Guide

encryption than TKIP. WPA applies IEEE 802.1x and Extensible Authentication Protocol

(EAP) to authenticate wireless clients using an external RADIUS database. The WPA protocol

affords users with vastly stronger security than the WEP protocol. It comes in two different

varieties: WPA and WPA2. Always try to use WPA2 as it implements the full version of the

security standard while WPA does not.

Pre-Shared Key (PSK)

A pre-shared key is a password shared between the server and the client that unlocks the

algorithm used to encrypt the data traffic between them. Without the proper password, the

client and the server cannot communicate.

Extensible Authentication Protocol (EAP)

An enhanced security framework designed to improve an existing security protocol, such as

WPA-PSK or WPA2-PSK.

4.1.3

Before You Begin

•

Make sure the ZyXEL utility is already installed. See the Quick Start Guide for more.

4.2

ZyXEL Utility Screen Summary

This section describes the ZyXEL utility screens.

Figure 28

ZyXEL Utility Menu Summary

The following table describes the menus.

Table 4

ZyXEL Utility Menu Summary

TAB

DESCRIPTION

Link Info

Use this screen to see your current connection status, configuration and data rate

statistics.

Site Survey

Use this screen to:

•

scan for a wireless network.

•

configure wireless security (if activated on the selected network).

•

connect to a wireless network.

Profile

Use this screen to add, delete, edit or activate a profile with a set of wireless and

security settings.

Adapter

Use this screen to configure preamble type, enable power saving and use WiFi

Protected Setup (WPS).