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Connecting to a Wireless Network

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ZyXEL AG-225H v2 User's Guide Connecting to a Wireless Network 1 Double-click the network icon for wireless connections in the system tray to open the Wireless Network Connection Status screen. Figure 52 Windows XP SP2: System Tray Icon The type of the wireless network icon in Windows XP SP2 indicates the status of the AG225H v2. Refer to the following table for details. Table 25 Windows XP SP2: System Tray Icon ICON DESCRIPTION The AG-225H v2 is connected to a wireless network. The AG-225H v2 is in the process of connecting to a wireless network. The connection to a wireless network is limited because the network did not assign a network address to the computer. The AG-225H v2 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. Figure 53 Windows XP SP2: Wireless Network Connection Status 76 Appendix C

Section	Page
User’s Guide	1
Copyright	3
Certifications	3
ZyXEL Limited Warranty	5
Customer Support	6
Table of Contents	9
List of Figures	13
List of Tables	15
Preface	17
Getting Started	19
1.1 About Your AG-225H v2	19
1.2 Application Overview	19
1.2.1 Station Mode	19
1.2.1.1 Infrastructure	19
1.2.1.2 Ad-Hoc	20
1.2.2 Access Point Mode	21
1.2.3 Changing AG-225H v2 Mode	21
1.3 AG-225H v2 Hardware and Utility Installation	22
1.3.1 ZyXEL Utility Icon	22
1.4 Configuration Methods	22
1.4.1 Enabling WZC	22
1.4.2 Accessing the ZyXEL Utility	23
Tutorial	25
2.1 Connecting to a Wireless LAN	25
2.2 Creating and Using a Profile	27
2.3 Configuring the AG-225H v2 as an AP	31
Wireless LAN Network	33
3.1 Wireless LAN Overview	33
3.2 Wireless LAN Security	34
3.2.1 Hide SSID	34
3.2.2 MAC Address Filter	34
3.2.3 User Authentication and Encryption	35
3.2.3.1 WEP	35
3.2.3.2 IEEE 802.1x	36
3.2.3.3 WPA and WPA2	36
Wireless Station Mode Configuration	39
4.1 Wireless Station Mode Overview	39
4.1.1 ZyXEL Utility Screen Summary	39
4.2 The Link Info Screen	40
4.2.1 Trend Chart	41
4.3 The Site Survey Screen	42
4.3.1 Security Settings	43
4.3.1.1 WEP Encryption	43
4.3.1.2 WPA-PSK/WPA2-PSK	44
4.3.1.3 WPA/WPA2	45
4.3.1.4 IEEE 802.1x	46
4.3.2 Confirm Save Screen	47
4.4 The Profile Screen	48
4.4.1 Adding a New Profile	50
4.5 The Adapter Screen	54
Access Point Mode Configuration	57
5.1 Access Point Mode Introduction	57
5.1.1 ZyXEL Utility Screen Summary	57
5.1.2 Additional Setup Requirements	58
5.2 The Link Info Screen	58
5.3 The Configuration Screen	59
5.4 The MAC Filter Screen	61
Maintenance	63
6.1 The About Screen	63
6.2 Uninstalling the ZyXEL Utility	63
6.3 Upgrading the ZyXEL Utility	64
Troubleshooting	67
7.1 Problems Starting the ZyXEL Utility	67
7.2 Problem Connecting to an Access Point	67
7.3 Problem with the Link Quality	68
7.4 Problems Communicating With Other Computers	68
Product Specifications	69
Access Point Mode Setup Example	71
Configuring the Computer on Which You Install the AG-225H v2	71
Configuring the Wireless Station Computer	73
Management with Wireless Zero Configuration	75
Activating Wireless Zero Configuration	75
Connecting to a Wireless Network	76
Security Settings	79
Association	79
Authentication	81
Ordering the Preferred Networks	84
Wireless Security	87
Types of EAP Authentication	87
EAP-MD5 (Message-Digest Algorithm 5)	87
EAP-TLS (Transport Layer Security)	88
EAP-TTLS (Tunneled Transport Layer Service)	88
PEAP (Protected EAP)	88
LEAP	88
Dynamic WEP Key Exchange	88
WPA and WPA2	89
Encryption	89
User Authentication	90
WPA(2)-PSK Application Example	91
WPA(2) with RADIUS Application Example	91
Security Parameters Summary	92
Setting up Your Computer’s IP Address	93
Windows 2000/XP	93
Verifying Settings	97
Index	99
A	99
C	99
D	99
E	99
F	99
G	99
H	99
I	99
K	100
L	100
M	100
N	100
O	100
P	100
Q	100
R	100
S	100
T	101
U	101
V	101
W	101