Netgear Router WGT624 User Manual

							M-10153-01
M-10153-01 
Version 1.0
August 2003
NETGEAR, Inc.
4500 Great America Parkway 
Santa Clara, CA 95054 USA
Reference Manual for the 
108 Mbps Wireless 
Firewall Router WGT624 
						

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M-10153-01
© 2003 by NETGEAR, Inc. All rights reserved.
Trademarks
NETGEAR is a trademark of Netgear, Inc. 
Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation.
Other brand and product names are registered trademarks or trademarks of their respective holders.
Statement of Conditions
In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to 
make changes to the products described in this document without notice.
NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit 
layout(s) described herein.
Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to  
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a 
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and 
used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to 
radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try 
to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help. 
FCC Caution
1. FCC RF Radiation Exposure Statement: The equipment complies with FCC RF radiation exposure limits set forth 
for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 
centimeters between the radiator and your body. 
2. This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 
3. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the 
user authority to operate the equipment. 
						

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Europe - EU Declaration of Conformity
Marking by the above symbol indicates compliance with the Essential Requirements of the R&TTE Directive of the 
European Union (1999/5/EC). This equipment meets the following conformance standards:
EN300 328, EN301 489-17, EN60950, EN 60950 1992 2nd Edition (A1-A4, A11) Safety of Information Technology 
Equipment, Including Electrical Business Equipment EN 300 328-1 V1.3.1 (2001-12); EN 300328-2 V1.2.1 (2001-12) 
Electromagnetic compatibility and Radio spectrum Matters (ERM); Wideband Transmission system; data transmission 
equipment operating in the 2.4 Ghz ISM band and using spread spectrum modulation techniques; Part 1: Technical 
characteristics and test conditions; Part 2; Harmonized EN covering essential requirements under article 3.2 of the 
R&TTE Directive.
EN 301 489-1, Aug. 2000; EN 301489-17, Sept. 2000 - Electromagnetic compatibility and radio spectrum matters 
(ERM); electromagnetic compatibility (EMC); standard for radio equipment and services: Part 1: Common technical 
requirements; Part 17: Specific conditions for Wideband Data and Hiperlan equipment.
EN 55 022 Declaration of Conformance
This is to certify that the 108 Mbps Wireless Firewall Router WGT624 is shielded against the generation of radio 
interference in accordance with the application of Council Directive 89/336/EEC, Article 4a. Conformity is declared by 
the application of EN 55 022 Class B (CISPR 22).
Compliance with the applicable regulations is dependent upon the use of shielded cables. It is the responsibility of the 
user to procure the appropriate cables. 
Requirements For Operation in the European Community
Countries of Operation and Conditions of Use in the European Community
The user should run the configuration utility program provided with this product to check the current channel of 
operation and confirm that the device is operating in conformance with the spectrum usage rules for European 
Community countries as described in this section. European standards dictate a maximum radiated transmit power of 
100mW EIRP and a frequency range of 2.400 - 2.4835 Ghz.
Operation Using 2.4 GHz Channels in France
The following radio channel usage limitations apply in France. 
The radio spectrum regulator in France, Autorité de regulation des telecommunications (ART), enforces the following 
rules with respect to use of 2.4GHz spectrum in various locations in France. Please check ARTs web site for latest  This device is a 2.4 GHz low power RF device 
intended for home and office use in EU and EFTA 
member states. In some EU / EFTA member states 
some restrictions may apply. Please contact local 
spectrum management authorities for further details 
before putting this device into operation. 
						

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requirements for use of the 2.4GHz band in France: http://www.art-telecom.fr/eng/index.htm. When operating in France, 
this device may be operated under the following conditions:
Indoors only, using any channel in the 2.4465-2.4835 GHz band. 
						

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Bestätigung des Herstellers/Importeurs
Es wird hiermit bestätigt, daß das 108 Mbps Wireless Firewall Router WGT624 gemäß der im BMPT-AmtsblVfg 243/
1991 und Vfg 46/1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betreiben einiger Geräte (z.B. 
Testsender) kann jedoch gewissen Beschränkungen unterliegen. Lesen Sie dazu bitte die Anmerkungen in der 
Betriebsanleitung.
Das Bundesamt für Zulassungen in der Telekommunikation wurde davon unterrichtet, daß dieses Gerät auf den Markt 
gebracht wurde und es ist berechtigt, die Serie auf die Erfüllung der Vorschriften hin zu überprüfen.
Certificate of the Manufacturer/Importer
It is hereby certified that the 108 Mbps Wireless Firewall Router WGT624 has been suppressed in accordance with the 
conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some equipment (for example, 
test transmitters) in accordance with the regulations may, however, be subject to certain restrictions. Please refer to the 
notes in the operating instructions. 
Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market 
and has been granted the right to test the series for compliance with the regulations. 
Voluntary Control Council for Interference (VCCI) Statement
This equipment is in the second category (information equipment to be used in a residential area or an adjacent area 
thereto) and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing 
Equipment and Electronic Office Machines aimed at preventing radio interference in such residential areas.
When used near a radio or TV receiver, it may become the cause of radio interference. 
Read instructions for correct handling.
Customer Support
Refer to the Support Information Card that shipped with your 108 Mbps Wireless Firewall Router WGT624.
World Wide Web
NETGEAR maintains a World Wide Web home page that you can access at the universal resource locator (URL) 
http://www.netgear.com. A direct connection to the Internet and a web browser such as Internet Explorer 
or Netscape are required. 
						

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							Contentsvii
M-10153-01
Contents
Chapter 1  
About This Manual
Audience, Scope, Conventions, and Formats  ................................................................ 1-1
How to Use This Manual  ................................................................................................ 1-2
How to Print this Manual ................................................................................................. 1-3
Chapter 2  
Introduction
Key Features of the Router  ............................................................................................ 2-1
802.11g Wireless Networking ................................................................................... 2-2
A Powerful, True Firewall with Content Filtering  ...................................................... 2-2
Security .................................................................................................................... 2-3
Autosensing Ethernet Connections with Auto Uplink  ............................................... 2-3
Extensive Protocol Support  ...................................................................................... 2-3
Easy Installation and Management  .......................................................................... 2-4
Maintenance and Support  ........................................................................................ 2-5
Package Contents  .......................................................................................................... 2-5
The Router’s Front Panel  ......................................................................................... 2-6
The Router’s Rear Panel  ......................................................................................... 2-7
Chapter 3  
Connecting the Router to the Internet
What You Will Need Before You Begin  ........................................................................... 3-1
Cabling and Computer Hardware Requirements ..................................................... 3-1
Computer Network Configuration Requirements  ..................................................... 3-1
Internet Configuration Requirements ....................................................................... 3-2
Where Do I Get the Internet Configuration Parameters? ......................................... 3-2
Record Your Internet Connection Information  .......................................................... 3-3
Connecting the WGT624  ................................................................................................ 3-4
Connecting the Router  ............................................................................................. 3-4
PPPoE Smart Wizard-Detected Option .................................................................... 3-9 
						

							M-10153-01 viiiContents Telstra Bigpond Cable Smart Wizard-Detected Option  .......................................... 3-10
Dynamic IP Smart Wizard-Detected Option  ........................................................... 3-11
Fixed IP Account Smart Wizard-Detected Option  .................................................. 3-11
How to Manually Configure Your Internet Connection .................................................. 3-13
Chapter 4  
Wireless Configuration
Observe Performance, Placement, and Range Guidelines ............................................ 4-1
Implement Appropriate Wireless Security  ...................................................................... 4-2
Understanding Wireless Settings ................................................................................... 4-3
Understanding WEP Authentication and Encryption  ................................................ 4-5
Authentication Scheme Selection  ...................................................................... 4-5
Encryption Strength Choices  ............................................................................. 4-6
Default Factory Settings  ........................................................................................... 4-6
Before You Change the SSID and WEP Settings  .................................................... 4-7
How to Set Up and Test Basic Wireless Connectivity .............................................. 4-8
How to Restrict Wireless Access by MAC Address ................................................. 4-9
How to Configure WEP  .......................................................................................... 4-11
Chapter 5  
Content Filtering
Blocking Access to Internet Sites ................................................................................... 5-1
Blocking Access to Internet Services ............................................................................. 5-2
Scheduling When Blocking Will Be Enforced  ................................................................. 5-4
Viewing Logs of Web Access or Attempted Web Access  ............................................... 5-5
Configuring E-Mail Alert and Web Access Log Notifications  .......................................... 5-7
Chapter 6  
Maintenance
Viewing Router Status Information  ................................................................................. 6-1
Viewing a List of Attached Devices ................................................................................. 6-5
Upgrading the Router Software ...................................................................................... 6-5
Configuration File Management  ..................................................................................... 6-6
Restoring and Backing Up the Configuration  ........................................................... 6-7
Erasing the Configuration ......................................................................................... 6-8
Changing the Administrator Password ........................................................................... 6-8
Chapter 6  
Advanced Configuration
Configuring Port Forwarding to Local Servers ................................................................ 7-1 
						

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M-10153-01 Adding a Port Forwarding Custom Service  .............................................................. 7-2
Editing or Deleting a Port Forwarding Entry ............................................................. 7-2
Local Web and FTP Server Example  ....................................................................... 7-3
Multiple Computers for Half Life, KALI or Quake III Example  .................................. 7-3
Configuring WAN Setup Options  .................................................................................... 7-4
Using a Dynamic DNS Service  ....................................................................................... 7-6
Using LAN IP Setup Options  .......................................................................................... 7-7
Using the Router as a DHCP server  ........................................................................ 7-8
Using Address Reservation ...................................................................................... 7-9
How to Configure Static Routes .................................................................................... 7-10
Enabling Remote Management Access  ....................................................................... 7-12
Using Universal Plug and Play (UPnP)  ........................................................................ 7-13
Chapter 7  
Troubleshooting
Basic Functioning  ........................................................................................................... 8-1
Power LED Not On ................................................................................................... 8-1
LEDs Never Turn Off  ................................................................................................ 8-2
Local or Internet Port LEDs Not On  ......................................................................... 8-2
Troubleshooting the Web Configuration Interface  .......................................................... 8-3
Troubleshooting the ISP Connection  .............................................................................. 8-4
Troubleshooting a TCP/IP Network Using a Ping Utility  ................................................. 8-5
Testing the LAN Path to Your Router  ....................................................................... 8-5
Testing the Path from Your PC to a Remote Device  ................................................ 8-6
Restoring the Default Configuration and Password ........................................................ 8-7
Problems with Date and Time ......................................................................................... 8-7
Appendix A  
Technical Specifications
Appendix B  
Network, Routing, Firewall, and Basics
Related Publications  ...................................................................................................... B-1
Basic Router Concepts  .................................................................................................. B-1
What is a Router?  ................................................................................................... B-1
Routing Information Protocol ................................................................................... B-2
IP Addresses and the Internet  ....................................................................................... B-2
Netmask .................................................................................................................. B-4 
						

							M-10153-01 xContents Subnet Addressing  .................................................................................................. B-4
Private IP Addresses ............................................................................................... B-7
Single IP Address Operation Using NAT  ....................................................................... B-7
MAC Addresses and Address Resolution Protocol  ................................................. B-8
Related Documents ................................................................................................. B-9
Domain Name Server .............................................................................................. B-9
IP Configuration by DHCP  ........................................................................................... B-10
Internet Security and Firewalls .................................................................................... B-10
What is a Firewall?  ................................................................................................ B-10
Stateful Packet Inspection  ...............................................................................B-11
Denial of Service Attack  ..................................................................................B-11
Ethernet Cabling  ...........................................................................................................B-11
Category 5 Cable Quality  ...................................................................................... B-12
Inside Twisted Pair Cables  .................................................................................... B-12
Uplink Switches, Crossover Cables, and MDI/MDIX Switching  ............................ B-14
Appendix C  
Preparing Your Network
Preparing Your Computers for TCP/IP Networking  ....................................................... C-1
Configuring Windows 95, 98, and Me for TCP/IP Networking  ....................................... C-2
Install or Verify Windows Networking Components ................................................. C-2
Enabling DHCP to Automatically Configure TCP/IP Settings  ................................. C-4
Selecting Windows’ Internet Access Method .......................................................... C-6
Verifying TCP/IP Properties  .................................................................................... C-6
Configuring Windows NT4, 2000 or XP for IP Networking  ............................................ C-7
Install or Verify Windows Networking Components ................................................. C-7
DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4  ............................... C-8
DHCP Configuration of TCP/IP in Windows XP   ..................................................... C-8
DHCP Configuration of TCP/IP in Windows 2000  ................................................ C-10
DHCP Configuration of TCP/IP in Windows NT4  .................................................. C-13
Verifying TCP/IP Properties for Windows XP, 2000, and NT4  .............................. C-15
Configuring the Macintosh for TCP/IP Networking ...................................................... C-16
MacOS 8.6 or 9.x  .................................................................................................. C-16
MacOS X  ............................................................................................................... C-16
Verifying TCP/IP Properties for Macintosh Computers  ......................................... C-17
Verifying the Readiness of Your Internet Account ....................................................... C-18