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December 2004
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Contents
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Chapter 1 About This Guide
Audience, Conventions, and Formats
How to Use This Manual
How to Print this Manual
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Chapter 2 Getting to Know Your NETGEAR Wireless Router
Package Contents
The Front Panel
The Rear Panel
Chapter 3 Connecting the Router to the Internet
Prepare to Install Your Wireless Router
Connect the Wireless Router to Your Network
Troubleshooting Tips
How to Manually Configure Your Internet Connection
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NETGEAR Product Registration, Support, and Documentation
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Chapter 4 Optimizing Wireless Connectivity and Security
Observe Performance, Placement, and Range Guidelines
Implement Appropriate Wireless Security
Understanding Wireless Settings
NETGEAR Wireless Router Setup Manual
4-4 Optimizing Wireless Connectivity and Security December 2004
Table 4-1. Basic Wireless Security Options
Information to Gather Before Changing Basic Wireless Settings
Default Factory Settings
Chapter 5 Doing Basic Router Housekeeping
Changing the Administrator Password
Configuration File Management
Restoring and Backing Up the Configuration
Erasing the Configuration
Upgrading the Wireless Router Software
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Chapter 6 Troubleshooting Common Problems
Basic Functioning
Power Light Not On
Lights Never Turn Off
LAN or Internet (WAN) Port Lights Not On
Troubleshooting the Web Configuration Interface
Troubleshooting the ISP Connection
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Troubleshooting a TCP/IP Network Using a Ping Utility
Testing the LAN Path to Your Router
Testing the Path from Your Computer to a Remote Device
Restoring the Default Configuration and Password
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Technical Specifications A-1 December 2004
Appendix A Technical Specifications
This appendix provides technical specifications for the Pre-N Wireless Router WGM124.
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Appendix B Network, Routing, and Firewall Basics
Related Publications
Basic Router Concepts
What is a Router?
Routing Information Protocol
IP Addresses and the Internet
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Netmask
Subnet Addressing
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Private IP Addresses
Single IP Address Operation Using NAT
MAC Addresses and Address Resolution Protocol
Related Documents
Domain Name Server
IP Configuration by DHCP
Internet Security and Firewalls
What is a Firewall?
Stateful Packet Inspection
Denial of Service Attack
Ethernet Cabling
Category 5 Cable Quality
Inside Twisted Pair Cables
Uplink Switches, Crossover Cables, and MDI/MDIX Switching
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Appendix C Preparing Your Network
What You Need To Use a Router with a Broadband Modem
Cabling and Computer Hardware
Computer Network Configuration Requirements
Internet Configuration Requirements
Where Do I Get the Internet Configuration Parameters?
Record Your Internet Connection Information
Preparing Your Computers for TCP/IP Networking
Configuring Windows 95, 98, and Me for TCP/IP Networking
Install or Verify Windows Networking Components
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Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me
Locate your Network Neighborhood icon.
Selecting Windows Internet Access Method
Verifying TCP/IP Properties
Configuring Windows NT4, 2000 or XP for IP Networking
Install or Verify Windows Networking Components
DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4
DHCP Configuration of TCP/IP in Windows XP
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DHCP Configuration of TCP/IP in Windows 2000
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DHCP Configuration of TCP/IP in Windows NT4
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Verifying TCP/IP Properties for Windows XP, 2000, and NT4
Configuring the Macintosh for TCP/IP Networking
MacOS 8.6 or 9.x
MacOS X
Verifying TCP/IP Properties for Macintosh Computers
Verifying the Readiness of Your Internet Account
Are Login Protocols Used?
What Is Your Configuration Information?
Obtaining ISP Configuration Information for Windows Computers
Obtaining ISP Configuration Information for Macintosh Computers
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Appendix D Wireless Networking Basics
Wireless Networking Overview
Infrastructure Mode
Ad Hoc Mode (Peer-to-Peer Workgroup)
Network Name: Extended Service Set Identification (ESSID)
Wireless Channels
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WEP Wireless Security
WEP Authentication
WEP Open System Authentication
WEP Shared Key Authentication
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How to Use WEP Parameters
WPA Wireless Security
How Does WPA Compare to WEP?
How Does WPA Compare to IEEE 802.11i?
What are the Key Features of WPA Security?
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Wired Network with Optional 802.1x Port Based Network Access Control
Wireless LAN
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Is WPA Perfect?
Product Support for WPA
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Glossary
Use the list below to find definitions for technical terms used in this manual.
List of Glossary Terms
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Index
Index 1
Numerics
A
B
L
M
N
O
P
U
W