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Page 11 / 118 Scroll up to view Page 6 - 10
Contents
xi
202-10064-02, June 2005
Chapter 6
Troubleshooting
No lights are lit on the access point.
...............................................................................
6-1
The Wireless LAN activity light does not light up.
...........................................................
6-2
The LAN light is not lit.
....................................................................................................
6-2
I cannot access the Internet or the LAN with a wireless capable computer.
.................
6-2
I cannot connect to the WG102 to configure it.
..............................................................
6-3
When I enter a URL or IP address I get a timeout error.
................................................
6-3
Using the Reset Button to Restore Factory Default Settings
..........................................
6-4
Appendix A
Specifications
Specifications for the WG102
........................................................................................
A-1
Appendix B
Wireless Networking Basics
Wireless Networking Overview
......................................................................................
B-1
Infrastructure Mode
.................................................................................................
B-1
Ad Hoc Mode (Peer-to-Peer Workgroup)
................................................................
B-2
Network Name: Extended Service Set Identification (ESSID)
................................
B-2
Authentication and WEP Data Encryption
.....................................................................
B-2
802.11 Authentication
..............................................................................................
B-3
Open System Authentication
...................................................................................
B-3
Shared Key Authentication
......................................................................................
B-4
Overview of WEP Parameters
................................................................................
B-5
Key Size
..................................................................................................................
B-6
WEP Configuration Options
....................................................................................
B-7
Wireless Channels
.........................................................................................................
B-7
WPA and WPA2 Wireless Security
................................................................................
B-8
How Does WPA Compare to WEP?
........................................................................
B-9
How Does WPA Compare to WPA2 (IEEE 802.11i)?
............................................
B-10
What are the Key Features of WPA and WPA2 Security?
....................................
B-10
WPA/WPA2 Authentication: Enterprise-level User
Authentication via 802.1x/EAP and RADIUS
..................................................
B-12
WPA/WPA2 Data Encryption Key Management
.............................................
B-14
Is WPA/WPA2 Perfect?
.........................................................................................
B-15
Product Support for WPA/WPA2
...........................................................................
B-16
Supporting a Mixture of WPA, WPA2, and WEP Wireless Clients is Discouraged B-16
Page 12 / 118
202-10064-02, June 2005
xii
Contents
Changes to Wireless Access Points
...............................................................
B-17
Changes to Wireless Network Adapters
.........................................................
B-17
Changes to Wireless Client Programs
............................................................
B-18
Glossary
Page 13 / 118
About This Manual
1-1
202-10064-02, June 2005
Chapter 1
About This Manual
This chapter describes the intended audience, scope, conventions, and formats of this manual.
Audience, Scope, Conventions, and Formats
This reference manual assumes that the reader has basic to intermediate computer and Internet
skills. However, basic computer network, Internet, firewall, and VPN technologies tutorial
information is provided in the Appendices and on the Netgear website.
This guide uses the following typographical conventions:
This guide uses the following formats to highlight special messages:
This manual is written for the WG102 Access Point according to these specifications:
Table 1-1.
Typographical Conventions
italics
Emphasis, books, CDs, URL names
bold
User input
fixed
Screen text, file and server names, extensions, commands, IP addresses
Note:
This format is used to highlight information of importance or special interest.
Table 1-2.
Manual Scope
Product Version
NETGEAR WG102 ProSafe 802.11g Wireless Access Point
Manual Publication Date
June 2005
Note:
Product updates are available on the NETGEAR, Inc. Web site at
.
Page 14 / 118
Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102
1-2
About This Manual
202-10064-02, June 2005
How to Use This Manual
The HTML version of this manual includes the following:
•
Buttons,
and
, for browsing forwards or backwards through the manual one page
at a time
•
A
button that displays the table of contents and an
button. Double-click on a
link in the table of contents or index to navigate directly to where the topic is described in the
manual.
•
A
button to access the full NETGEAR, Inc. online knowledge base for the
product model.
•
Links to PDF versions of the full manual and individual chapters.
How to Print this Manual
To print this manual you can choose one of the following several options, according to your needs.
•
Printing a Page in the HTML View
.
Each page in the HTML version of the manual is dedicated to a major topic. Use the
Print
button on the browser toolbar to print the page contents.
•
Printing a Chapter
.
Use the
PDF of This Chapter
link at the top left of any page.
–
Click the
PDF of This Chapter
link at the top right of any page in the chapter you want to
print. The PDF version of the chapter you were viewing opens in a browser window.
Note:
Your computer must have the free Adobe Acrobat reader installed in order to view
and print PDF files. The Acrobat reader is available on the Adobe Web site at
.
–
Click the print icon in the upper left of the window.
Tip
: If your printer supports printing two pages on a single sheet of paper, you can save
paper and printer ink by selecting this feature.
•
Printing the Full Manual
.
Use the
Complete PDF Manual
link at the top left of any page.
–
Click the
Complete PDF Manual
link at the top left of any page in the manual. The PDF
version of the complete manual opens in a browser window.
–
Click the print icon in the upper left of the window.
Tip
: If your printer supports printing two pages on a single sheet of paper, you can save
paper and printer ink by selecting this feature.
Page 15 / 118
Introduction
2-1
202-10064-02, February 2005
Chapter 2
Introduction
This chapter introduces the NETGEAR WG102 ProSafe 802.11g Wireless Access Point. Minimal
prerequisites for installation are presented in
“System Requirements” on page 2-4
.
About the NETGEAR WG102 ProSafe 802.11g Wireless
Access Point
The NETGEAR WG102 ProSafe 802.11g Wireless Access Point
is the basic building block of a
wireless LAN infrastructure. It provides connectivity between Ethernet wired networks and
radio-equipped wireless notebook systems, desktop systems, print servers, and other devices.
The WG102 provides wireless connectivity to multiple wireless network devices within a fixed
range or area of coverage, interacting with a wireless network interface card (NIC) via an antenna.
Typically, an individual in-building access point provides a maximum connectivity area with about
a 300 foot radius. The NETGEAR WG102 ProSafe 802.11g Wireless Access Point can support a
small group of users in a range of several hundred feet. Most access points are rated between 30-50
users simultaneously.
The NETGEAR WG102 ProSafe 802.11g Wireless Access Point acts as a bridge between the
wired LAN and wireless clients. Connecting multiple WG102 Access Points via a wired Ethernet
backbone can further lengthen the wireless network coverage. As a mobile computing device
moves out of the range of one access point, it moves into the range of another. As a result, wireless
clients can freely roam from one Access Point to another and still maintain seamless connection to
the network.
The auto-sensing capability of the NETGEAR WG102 ProSafe 802.11g Wireless Access Point
allows packet transmission at up to 108 Mbps, or at reduced speeds to compensate for distance or
electromagnetic interference.

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