ZyXEL G-302 v3 User Guide - Page 56

ZyXEL G-302 v3 User’s Guide

52

Chapter 5 Troubleshooting

5.3

Problems Communicating With Other Computers

5.4

Windows Vista Users - How To Start WLAN AutoConfig

The G-302 v3 Configuration Utility in Windows Vista requires the WLAN AutoConfig

service to be turned on for it to function. If the Configuration Utility is not working it is

possible the WLAN AutoConfig service is not running. In this case follow the steps below to

start the service.

Note:

Please use only the G-302 v3 Configuration Utility to configure your wireless

profiles. At the time of writing it is not recommended to use WLAN AutoConfig

and the Configuration Utility alternately.

1

Click

Start

on your desktop and right click

Computer

. Click on

Manage

in the menu to

bring up the

Computer Management

screen.

Note:

At this point Windows Vista may ask for permission to perform this action. Click

Continue

to proceed.

Table 17

Troubleshooting Communication Problem

PROBLEM

CORRECTIVE ACTION

In wireless station

mode, the

computer with the

G-302 v3 installed

cannot

communicate with

the other

computer(s).

In Infrastructure Mode

•

Make sure that the AP and the associated computers are turned on and

working properly.

•

Make sure the G-302 v3 computer and the associated AP use the same SSID.

•

Change the AP and the associated wireless clients to use another radio

channel if interference is high.

•

Make sure that the computer and the AP share the same security option and

key. Verify the settings in the

Profile Security Settings

screen.

In Ad-Hoc (IBSS) Mode

•

Verify that the peer computer(s) is turned on.

•

Make sure the G-302 v3 computer and the peer computer(s) are using the

same SSID and channel.

•

Make sure that the computer and the peer computer(s) share the same

security settings.

•

Change the wireless clients to use another radio channel if interference is high.

Section	Page
User’s Guide	1
Preface	3
Safety Warnings	5
Copyright	7
Certifications	8
ZyXEL Limited Warranty	10
Customer Support	11
Table of Contents	17
List of Figures	21
List of Tables	23
Getting Started	25
1.1 About Your G-302 v3	25
1.1.1 Windows Vista Users	25
1.1.2 Application Overview	25
1.1.2.1 Infrastructure	26
1.1.2.2 Ad-Hoc	26
1.2 G-302 v3 Hardware and Utility Installation	27
1.3 Configuration Methods	27
1.4 Windows XP Users Only	27
1.5 Accessing the ZyXEL Utility	28
1.6 ZyXEL Utility Screen Summary	29
1.7 Connecting to a Wireless LAN	29
1.7.1 Site Survey	29
Wireless LAN Network	33
2.1 Wireless LAN Overview	33
2.1.1 SSID	33
2.1.2 Channel	33
2.1.3 Transmission Rate	33
2.2 Wireless LAN Security Overview	33
2.2.1 Data Encryption with WEP	34
2.2.2 IEEE 802.1x	34
2.2.2.1 EAP Authentication	34
2.2.3 WPA and WPA2	35
2.2.3.1 Encryption	35
2.2.3.2 User Authentication	35
2.2.4 WPA(2)-PSK Application Example	35
2.2.5 WPA(2) with RADIUS Application Example	36
2.3 Authentication Type	37
2.4 Preamble Type	37
ZyXEL Utility Configuration	39
3.1 The Link Info Screen	39
3.1.1 Trend Chart	40
3.2 The Site Survey Screen	41
3.2.1 Connecting to a WLAN Network	42
3.2.2 Security Settings	42
3.2.2.1 WEP Encryption	43
3.2.2.2 WPA/WPA2	44
3.2.2.3 WPA-PSK/WPA2-PSK	45
3.2.3 Confirm Save Screen	46
3.3 The Profile Screen	46
3.3.1 Adding a New Profile	48
3.4 The Adapter Screen	52
Maintenance	53
4.1 The About Screen	53
4.2 Uninstalling the ZyXEL Utility	53
4.3 Upgrading the ZyXEL Utility	54
Troubleshooting	55
5.1 Problems Starting the ZyXEL Utility	55
5.2 Problem with the Link Quality	55
5.3 Problems Communicating With Other Computers	56
5.4 Windows Vista Users - How To Start WLAN AutoConfig	56
Product Specifications	59
Management with Wireless Zero Configuration	61
Activating Wireless Zero Configuration	61
Connecting to a Wireless Network	62
Security Settings	65
Association	66
Authentication	67
Ordering the Preferred Networks	70
Wireless Security	73
Types of EAP Authentication	73
EAP-MD5 (Message-Digest Algorithm 5)	73
EAP-TLS (Transport Layer Security)	73
EAP-TTLS (Tunneled Transport Layer Service)	74
PEAP (Protected EAP)	74
LEAP	74
Dynamic WEP Key Exchange	74
WPA(2)	75
Encryption	75
User Authentication	76
WPA(2)-PSK Application Example	76
WPA(2) with RADIUS Application Example	77
Security Parameters Summary	78
Index	79
A	79
C	79
D	79
E	79
F	79
G	79
H	79
I	79
L	79
M	79
N	80
O	80
P	80
Q	80
R	80
S	80
T	80
U	80
V	80
W	80

ZyXEL G-302 v3 User Guide - Page 56

Problems Communicating With Other Computers, Windows Vista Users - How To Start WLAN AutoConfig

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