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AG-120 Hardware and Utility Installation, Configuration Methods

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ZyXEL AG-120 User's Guide 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-120 Hardware and Utility Installation Follow the instructions in the Quick Start Guide to install the ZyXEL utility and make hardware connections. 1.3.1 ZyXEL Utility Icon After you install and start the ZyXEL utility, an icon for the ZyXEL utility appears in the system tray. Note: The ZyXEL utility system tray icon displays only when the AG-120 is installed properly. When you use the ZyXEL utility, it automatically disables WZC. Figure 5 ZyXEL Utility: System Tray Icon The color of the ZyXEL utility system tray icon indicates the status of the AG-120. Refer to the following table for details. Table 1 ZyXEL Utility: System Tray Icon COLOR Red Green Pale Blue DESCRIPTION The AG-120 is operating in wireless station mode but is not connected to a wireless network. The AG-120 is operating in wireless station mode and connected to a wireless network. The AG-120 is operating in access point mode. 1.4 Configuration Methods To configure your AG-120, use one of the following applications: • Wireless Zero Configuration (WZC) (the Windows XP wireless configuration tool) • ZyXEL Utility (required when you want to use the AG-120 as an access point) 1.4.1 Enabling WZC Note: When you use the ZyXEL utility, it automatically disables WZC. 26 Chapter 1 Getting Started

Section	Page
User’s Guide	1
Copyright	3
Certifications	4
ZyXEL Limited Warranty	6
Safety Warnings	7
Customer Support	8
Table of Contents	11
List of Figures	15
List of Tables	19
Preface	21
1. Getting Started	23
1.2.1 Station Mode	23
1.2.1.1 Infrastructure	23
1.2.1.2 Ad-Hoc	24
1.2.2 Access Point Mode	25
1.2.3 Changing AG-120 Mode	25
1.3 AG-120 Hardware and Utility Installation	26
1.4.1 Enabling WZC	26
1.4.2 Accessing the ZyXEL Utility	27
2. Tutorial	29
2.1 Connecting to a Wireless LAN	29
2.2 Creating and Using a Profile	31
2.3 Configuring the AG-120 as an AP	34
3. Wireless LAN Network	37
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
3.3.1 Enabling OTIST	41
3.3.1.1 AP	41
3.3.1.2 Wireless Client	42
3.3.2 Starting OTIST	42
3.3.3 Notes on OTIST	43
4. Wireless Station Mode Configuration	45
4.1.1 ZyXEL Utility Screen Summary	45
4.2 The Link Info Screen	46
4.2.1 Trend Chart	47
4.3 The Site Survey Screen	48
4.3.1 Security Settings	50
4.3.1.1 WEP Encryption	50
4.3.1.2 WPA-PSK/WPA2-PSK	51
4.3.1.3 WPA/WPA2	52
4.3.1.4 IEEE 802.1x	53
4.3.2 Confirm New Settings	54
4.4 The Profile Screen	55
4.4.1 Adding a New Profile	57
4.5 The Advanced Screen	61
4.6 The Adapter Screen	62
5. Access Point Mode Configuration	65
5.1.1 ZyXEL Utility Screen Summary	65
5.1.2 Additional Setup Requirements	66
5.2 The Link Info Screen	66
5.3 The Configuration Screen	67
5.4 The Advanced Screen	69
5.5 The MAC Filter Screen	70
6. Maintenance	73
7. Troubleshooting	77
7.1 Problems Starting the ZyXEL Utility	77
7.2 Problem Connecting to an Access Point	77
7.3 Problem with the Link Quality	78
7.4 Problems Communicating With Other Computers	78
A. Product Specifications	79
B. Access Point Mode Setup Example	81
Configuring the Computer on Which You Install the AG-120	81
Configuring the Wireless Station Computer	83
C. Management with Wireless Zero Configuration	85
Activating Wireless Zero Configuration	85
Connecting to a Wireless Network	87
Security Settings	91
Association	92
Authentication	93
Ordering the Preferred Networks	96
D. Wireless Security	99
Types of EAP Authentication	99
EAP-MD5 (Message-Digest Algorithm 5)	99
EAP-TLS (Transport Layer Security)	100
EAP-TTLS (Tunneled Transport Layer Service)	100
PEAP (Protected EAP)	100
LEAP	100
Dynamic WEP Key Exchange	100
WPA and WPA2	101
Encryption	101
User Authentication	102
WPA(2)-PSK Application Example	103
WPA(2) with RADIUS Application Example	103
Security Parameters Summary	104
E. Setting up Your Computer’s IP Address	105
Windows 95/98/Me	105
Installing Components	106
Configuring	107
Verifying Settings	108
Windows 2000/NT/XP	108
Verifying Settings	112
Macintosh OS 8/9	112
Verifying Settings	114
Macintosh OS X	114
Verifying Settings	115
Index	117
A	117
C	117
D	117
E	117
F	117
G	117
H	117
I	117
L	118
M	118
N	118
O	118
P	118
Q	118
R	118
S	118
T	118
U	118
V	119
W	119