August
Trademarks
World Wide Web
August
Contents
Chapter Wireless Configuration
Chapter Managing Your Network
Chapter Advanced Configuration
Uplink Switches, Crossover Cables, and MDI/MDIX Switching
Appendix C Preparing Your Network
Glossary
Xii Contents
Chapter About This Guide
Audience, Conventions, Scope
How to Use this Manual
Html version of this manual
How to Print this Manual
About This Guide
Chapter Introduction
About the Router
Key Features
802.11g Wireless Networking
Powerful, True Firewall
Easy Installation and Management
Protocol Support
Content Filtering
Auto Sensing and Auto Uplink LAN Ethernet Connections
What’s in the Box?
Router’s Front Panel
DG834GT Front Panel
Router’s Rear Panel
LED Descriptions
DG834GT Rear Panel
Introduction
Adsl Microfilter Requirements
Chapter Connecting the Router to the Internet
What You Need Before You Begin
Adsl Microfilter
Computer Hardware Requirements
LAN Configuration Requirements
Ethernet Cabling Requirements
Adsl Microfilter with Built-In Splitter
Internet Configuration Requirements
Where Do I Get the Internet Configuration Parameters?
Record Your Internet Connection Information
Connecting the Router to the Internet
Connecting the DG834GT to Your LAN
How to Connect the Router
Connect the DG834GT to the Adsl Filter
INE 0HONE
DWHZD\
Login window opens as shown below
Setup Wizard
Auto-Detecting Your Internet Connection Type
Wizard-Detected PPPoE Login Account Setup
Wizard-Detected PPPoA Login Account Setup
Wizard-Detected Dynamic IP Account Setup
Wizard-Detected IP Over ATM Account Setup
12 Setup Wizard menu for Dynamic IP address
Wizard-Detected Fixed IP Static Account Setup
14 Setup Wizard menu for Fixed IP address
Testing Your Internet Connection
Manually Configuring Your Internet Connection
How to Perform Manual Configuration
ISP Does Not Require Login
Internet Connection Requires Login and Uses PPPoE
Internet Connection Requires Login and Uses PPPoA
Internet Connection Does Note Require a Login
Adsl Settings
Chapter Wireless Configuration
Considerations for a Wireless Network
Observe Performance, Placement, and Range Guidelines
Implement Appropriate Wireless Security
DG834GT
Understanding Wireless Settings
Wireless Network
Mode
Wireless Station Access List
How to Set Up and Test Basic Wireless Connectivity
WPA-PSK
How to Restricting Wireless Access to Your Network
Wireless Access Point settings
Wireless Access menu
Choosing WEP Authentication and Security Encryption Methods
Authentication Type Selection
Disable
Encryption Choices
How to Configure WEP
Wireless WEP menu
How to Configure WPA-PSK
How to Change the Built-In Password
Chapter Protecting Your Network
Configuring Basic Firewall Services
Changing the Administrator Login Timeout
Blocking Keywords, Sites, and Services
How to Block Keywords and Sites
Block Sites menu
Firewall Rules
Rules menu
Inbound Rules Port Forwarding
Inbound Rule Example a Local Public Web Server
Rule example a Local Public Web Server
Inbound Rule Example Allowing Videoconferencing
Outbound Rules Service Blocking
Considerations for Inbound Rules
Outbound Rule Example Blocking Instant Messenger
Rule example Blocking Instant Messenger
Order of Precedence for Rules
Services
Rules table with examples
How to Define Services
Services menu
Setting Times and Scheduling Firewall Services
How to Set Your Time Zone
How to Schedule Firewall Services
Protecting Your Network
Backing Up, Restoring, or Erasing Your Settings
How to Back Up the Configuration to a File
Chapter Managing Your Network
How to Restore the Configuration from a File
How to Erase the Configuration
Upgrading the Router’s Firmware
How to Upgrade the Router Firmware
Router Upgrade menu
Network Management Information
Viewing Router Status and Usage Statistics
Menu 3.2 Router Status Fields
This screen shows the following statistics
Connection Status screen for Dynamic IP
Connection Status screen for PPPoA
Viewing Attached Devices
Viewing, Selecting, and Saving Logged Information
Log entries are described in -1below
Selecting What Information to Log
Saving Log Files on a Server
Activation and Administration
Examples of Log Messages
Dropped Packets
Enabling Security Event E-mail Notification
E-mail menu
Running Diagnostic Utilities and Rebooting the Router
10 Diagnostics menu
Configuring Remote Management
Enabling Remote Management
Http//134.177.0.1238080
Chapter Advanced Configuration
Configuring Advanced Security
Setting Up a Default DMZ Server
How to Configure a Default DMZ Server
WAN Setup
Connect Automatically, as Required
Configuring LAN IP Settings
Disable Port Scan and DOS Protection
Respond to Ping on Internet WAN Port
LAN IP Setup Menu
Dhcp
Use Router as Dhcp server
Reserved IP addresses
How to Configure LAN TCP/IP Settings
Configuring Dynamic DNS
How to Configure Dynamic DNS
Dynamic DNS menu
Using Static Routes
Static Route Example
How to Configure Static Routes
Static Routes Table
Static Route Entry and Edit Menu
Advanced Configuration
Chapter 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
WAN LED Green or Blinking Green
Troubleshooting the ISP Connection
Adsl link
WAN LED Blinking Yellow
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
Problems with Date and Time
Using the Reset button
August
Appendix a Technical Specifications
LAN
What is a Router?
Appendix B Network and Routing Basics
Related Publications Basic Router Concepts
Routing Information Protocol
IP Addresses and the Internet
Class E Class E addresses are for experimental use
Netmask
Subnet Addressing
Example of Subnetting a Class B Address
Netmask Notation Translation Table for One Octet
Single IP Address Operation Using NAT
Private IP Addresses
MAC Addresses and Address Resolution Protocol
Single IP Address Operation Using NAT
IP Configuration by Dhcp
Related Documents
Domain Name Server
What is a Firewall?
Internet Security and Firewalls
Stateful Packet Inspection
Denial of Service Attack
Ethernet Cabling
Category 5 Cable Quality
Inside Twisted Pair Cables
Figure B-1illustrates straight-through twisted pair cable
Uplink Switches, Crossover Cables, and MDI/MDIX Switching
Figure B-2 Crossover Twisted-Pair Cable
Network and Routing Basics
Appendix C Preparing Your Network
Preparing Your Computers for TCP/IP Networking
Configuring Windows 95, 98, and Me for TCP/IP Networking
Installing or Verifying Windows Networking Components
Preparing Your Network
Locate your Network Neighborhood icon
Primary Network Logon is set to Windows logon
Selecting the Windows’ Internet Access Method
Verifying TCP/IP Properties
Configuring Windows NT4, 2000 or XP for IP Networking
Dhcp Configuration of TCP/IP in Windows XP, 2000, or NT4
Dhcp Configuration of TCP/IP in Windows XP
Preparing Your Network
Dhcp Configuration of TCP/IP in Windows
Preparing Your Network
Obtain an IP address automatically is selected
Dhcp Configuration of TCP/IP in Windows NT4
Preparing Your Network
Verifying TCP/IP Properties for Windows XP, 2000, and NT4
TCP/IP Properties dialog box now displays
Configuring the Macintosh for TCP/IP Networking
MacOS 8.6 or
MacOS
Verifying TCP/IP Properties for Macintosh Computers
Are Login Protocols Used?
What Is Your Configuration Information?
Verifying the Readiness of Your Internet Account
Select the Gateway tab
Preparing Your Network
Restarting the Network
Preparing Your Network
Appendix D Wireless Networking Basics
Wireless Networking Overview
Infrastructure Mode
Authentication and WEP Data Encryption
Ad Hoc Mode Peer-to-Peer Workgroup
Network Name Extended Service Set Identification Essid
Authentication
Open System Authentication
Router
Overview of WEP Parameters
Key Size
Wireless Channels
WEP Configuration Options
WPA Wireless Security
How Does WPA Compare to WEP?
What are the Key Features of WPA Security?
How Does WPA Compare to Ieee 802.11i?
Wireless Networking Basics
Figure D-3 WPA Overview
Access point replies with an EAP-request identity message
WPA Data Encryption Key Management
Temporal Key Integrity Protocol Tkip
Changes to Wireless Access Points
Is WPA Perfect?
Product Support for WPA
Changes to Wireless Network Adapters
New WPA information element
Changes to Wireless Client Programs
Glossary
See Asymmetric Digital Subscriber Line
Both 10 and 100 Mbits/second networks
For example
Internet
Based on IP source and destination addresses
Network using Network Neighborhood
