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Contents
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Chapter 1 About This Guide
Audience, Conventions, Scope
How to Use this Manual
How to Print this Manual
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Chapter 2 Introduction
About the Router
Key Features
802.11 Standards-based Wireless Networking
A Powerful, True Firewall
Content Filtering
Auto Sensing and Auto Uplink LAN Ethernet Connections
Protocol Support
Easy Installation and Management
Whats in the Box?
The Routers Front Panel
The Routers Rear Panel
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Chapter 3 Connecting the Router to the Internet
What You Need Before You Begin
ADSL Microfilter Requirements
Ethernet Cabling Requirements
Computer Hardware Requirements
LAN Configuration Requirements
Internet Configuration Requirements
Where Do I Get the Internet Configuration Parameters?
Record Your Internet Connection Information
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Connecting the DG834G to Your LAN
How to Connect the Router
1. CONNECT THE DG834G TO THE ADSL LINE.
2. CONNECT THE DG834G TO THE INTERNET.
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Auto-Detecting Your Internet Connection Type
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Wizard-Detected Dynamic IP Account Setup
Wizard-Detected IP Over ATM Account Setup
Wizard-Detected Fixed IP (Static) Account Setup
Testing Your Internet Connection
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How to Perform Manual Configuration
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ADSL Settings
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Chapter 4 Wireless Configuration
Considerations for a Wireless Network
Observe Performance, Placement, and Range Guidelines
Implement Appropriate Wireless Security
maximum range of up to 300 feet.
Wireless Data Security Options Range: Up to 300 Feet
Understanding Wireless Settings
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How to Set Up and Test Basic Wireless Connectivity
Restricting Wireless Access to Your Network
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Choosing WEP Authentication and Security Encryption Methods
How to Configure WEP
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Chapter 5 Protecting Your Network
Protecting Access to Your DG834G 54 Mbps Wireless ADSL Firewall Router
How to Change the Built-In Password
Changing the Administrator Login Timeout
Configuring Basic Firewall Services
Blocking Keywords, Sites, and Services
How to Block Keywords and Sites
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Firewall Rules
Inbound Rules (Port Forwarding)
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Outbound Rules (Service Blocking)
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Order of Precedence for Rules
Services
How to Define Services
Setting Times and Scheduling Firewall Services
How to Set Your Time Zone
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How to Schedule Firewall Services
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Chapter 6 Managing Your Network
Backing Up, Restoring, or Erasing Your Settings
How to Back Up the Configuration to a File
How to Restore the Configuration from a File
How to Erase the Configuration
Upgrading the Routers Firmware
How to Upgrade the Router Firmware
Network Management Information
Viewing Router Status and Usage Statistics
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G
Managing Your Network 6-5 202-10006-01
Table 6-1. Menu 3.2 - Router Status Fields
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Viewing Attached Devices
Viewing, Selecting, and Saving Logged Information
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Examples of Log Messages
Enabling Security Event E-mail Notification
Running Diagnostic Utilities and Rebooting the Router
Enabling Remote Management
Configuring Remote Management
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Chapter 7 Advanced Configuration
Configuring Advanced Security
Setting Up A Default DMZ Server
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Connect Automatically, as Required
Disable Port Scan and DOS Protection
Respond to Ping on Internet WAN Port
MTU Size
Configuring LAN IP Settings
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DHCP
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How to Configure LAN TCP/IP Settings
Configuring Dynamic DNS
How to Configure Dynamic DNS
Using Static Routes
Static Route Example
How to Configure Static Routes
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Chapter 8 Troubleshooting
Basic Functioning
Power LED Not On
Test LED Never Turns On or Test LED Stays On
LAN or WAN Port LEDs Not On
Troubleshooting the Web Configuration Interface
Troubleshooting the ISP Connection
ADSL link
Obtaining a WAN IP Address
Troubleshooting PPPoE or PPPoA
Troubleshooting Internet Browsing
Troubleshooting a TCP/IP Network Using the 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
Using the Reset button
Problems with Date and Time
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Appendix A Technical Specifications
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Appendix B Network and Routing 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
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.
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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)
Authentication and WEP
802.11b Authentication
Open System Authentication
Shared Key Authentication
802.11bAuthentication Open System Steps
Overview of WEP Parameters
802.11bAuthentication Shared Key Steps
Key Size
WEP Configuration Options
Wireless Channels
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Glossary
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Index
Index 1
Numerics
A
B
G
H
I
L
M
R
S
T
U
W
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