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Contents

Where Do I Get the Internet Configuration Parameters?

.........................................

3-3

Record Your Internet Connection Information

..........................................................

3-3

Connecting the DG834G to Your LAN

............................................................................

3-5

How to Connect the Router

......................................................................................

3-5

Auto-Detecting Your Internet Connection Type

..............................................................

3-9

Wizard-Detected PPPoE Login Account Setup

......................................................

3-10

Wizard-Detected PPPoA Login Account Setup

......................................................

3-11

Wizard-Detected Dynamic IP Account Setup

.........................................................

3-11

Wizard-Detected IP Over ATM Account Setup

......................................................

3-12

Wizard-Detected Fixed IP (Static) Account Setup

..................................................

3-13

Testing Your Internet Connection

..................................................................................

3-14

Manually Configuring Your Internet Connection

...........................................................

3-14

How to Perform Manual Configuration

...................................................................

3-15

Internet Connection Requires Login and Uses PPPoE

...................................

3-16

Internet Connection Requires Login and Uses PPPoA

...................................

3-17

Internet Connection Does Note Require A Login

............................................

3-18

ADSL Settings

........................................................................................................

3-19

Chapter 4

Wireless Configuration

Considerations for a Wireless Network

..........................................................................

4-1

Observe Performance, Placement, and Range Guidelines

.....................................

4-1

Implement Appropriate Wireless Security

................................................................

4-2

Understanding Wireless Settings

...................................................................................

4-3

How to Set Up and Test Basic Wireless Connectivity

..............................................

4-7

How to Restricting Wireless Access to Your Network

..............................................

4-8

Restricting Access to Your Network by Turning Off Wireless Connectivity

........

4-9

Restricting Wireless Access Based on the Wireless Network Name (SSID)

.....

4-9

Restricting Wireless Access Based on the Wireless Station Access List

..........

4-9

Choosing WEP Authentication and Security Encryption Methods

.........................

4-11

Authentication Type Selection

.........................................................................

4-11

Encryption Choices

..........................................................................................

4-12

How to Configure WEP

..........................................................................................

4-13

How to Configure WPA-PSK

..................................................................................

4-14

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Chapter 5

Protecting Your Network

Protecting Access to Your DG834G Wireless ADSL Firewall Router

.............................

5-1

How to Change the Built-In Password

.....................................................................

5-1

Changing the Administrator Login Timeout

..............................................................

5-2

Configuring Basic Firewall Services

...............................................................................

5-2

Blocking Keywords, Sites, and Services

..................................................................

5-3

How to Block Keywords and Sites

...........................................................................

5-3

Firewall Rules

.................................................................................................................

5-5

Inbound Rules (Port Forwarding)

.............................................................................

5-6

Inbound Rule Example: A Local Public Web Server

..........................................

5-6

Inbound Rule Example: Allowing Videoconferencing

........................................

5-8

Considerations for Inbound Rules

.....................................................................

5-8

Outbound Rules (Service Blocking)

.........................................................................

5-9

Outbound Rule Example: Blocking Instant Messenger

.....................................

5-9

Order of Precedence for Rules

..............................................................................

5-11

Services

........................................................................................................................

5-12

How to Define Services

..........................................................................................

5-12

Setting Times and Scheduling Firewall Services

..........................................................

5-13

How to Set Your Time Zone

...................................................................................

5-13

How to Schedule Firewall Services

........................................................................

5-14

Chapter 6

Managing Your Network

Backing Up, Restoring, or Erasing Your Settings

...........................................................

6-1

How to Back Up the Configuration to a File

.............................................................

6-1

How to Restore the Configuration from a File

..........................................................

6-2

How to Erase the Configuration

...............................................................................

6-2

Upgrading the Router’s Firmware

...................................................................................

6-2

How to Upgrade the Router Firmware

.....................................................................

6-3

Network Management Information

.................................................................................

6-4

Viewing Router Status and Usage Statistics

............................................................

6-4

Viewing Attached Devices

........................................................................................

6-9

Viewing, Selecting, and Saving Logged Information

................................................

6-9

Selecting What Information to Log

..................................................................

6-11

Saving Log Files on a Server

..........................................................................

6-12

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Examples of Log Messages

...................................................................................

6-12

Activation and Administration

..........................................................................

6-12

Dropped Packets

.............................................................................................

6-12

Enabling Security Event E-mail Notification

.................................................................

6-13

Running Diagnostic Utilities and Rebooting the Router

................................................

6-14

Enabling Remote Management

....................................................................................

6-15

Configuring Remote Management

.........................................................................

6-15

Chapter 7

Advanced Configuration

Configuring Advanced Security

......................................................................................

7-1

Setting Up A Default DMZ Server

............................................................................

7-1

How to Configure a Default DMZ Server

...........................................................

7-2

Connect Automatically, as Required

........................................................................

7-3

Disable Port Scan and DOS Protection

...................................................................

7-3

Respond to Ping on Internet WAN Port

...................................................................

7-3

MTU Size

.................................................................................................................

7-3

Configuring LAN IP Settings

...........................................................................................

7-3

DHCP

.......................................................................................................................

7-5

Use Router as DHCP server

.............................................................................

7-5

Reserved IP addresses

.....................................................................................

7-6

How to Configure LAN TCP/IP Settings

...................................................................

7-7

Configuring Dynamic DNS

.......................................................................................

7-7

How to Configure Dynamic DNS

..............................................................................

7-8

Using Static Routes

........................................................................................................

7-9

Static Route Example

...............................................................................................

7-9

How to Configure Static Routes

.............................................................................

7-10

Universal Plug and Play (UPnP)

...................................................................................

7-12

Chapter 8

Virtual Private Networking (Advanced Feature)

Overview of VPN Configuration

......................................................................................

8-2

Client-to-Gateway VPN Tunnels

..............................................................................

8-2

Gateway-to-Gateway VPN Tunnels

.........................................................................

8-2

Planning a VPN

..............................................................................................................

8-3

VPN Tunnel Configuration

..............................................................................................

8-6

How to Set Up a Client-to-Gateway VPN Configuration

.................................................

8-6

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Step 1: Configuring the Client-to-Gateway VPN Tunnel on the DG834G

................

8-7

Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC

.........

8-12

How to Set Up a Gateway-to-Gateway VPN Configuration

..........................................

8-20

VPN Tunnel Control

......................................................................................................

8-27

Activating a VPN Tunnel

........................................................................................

8-27

Using the VPN Status Page to Activate a VPN Tunnel

....................................

8-27

Activate the VPN Tunnel by Pinging the Remote Endpoint

.............................

8-28

Start Using a VPN Tunnel to Active It

..............................................................

8-30

Verifying the Status of a VPN Tunnel

.....................................................................

8-30

Deactivating a VPN Tunnel

....................................................................................

8-32

Using the Policy Table on the VPN Policies Page to Deactivate a VPN Tunnel 8-32

Using the VPN Status Page to Deactivate a VPN Tunnel

...............................

8-33

Deleting a VPN Tunnel

...........................................................................................

8-35

How to Set Up VPN Tunnels in Special Circumstances

...............................................

8-35

Using Auto Policy to Configure VPN Tunnels

........................................................

8-36

Configuring VPN Network Connection Parameters

.........................................

8-36

Example of Using Auto Policy

.........................................................................

8-41

Using Manual Policy to Configure VPN Tunnels

....................................................

8-48

Chapter 9

Troubleshooting

Basic Functioning

...........................................................................................................

9-1

Power LED Not On

...................................................................................................

9-2

Test LED Never Turns On or Test LED Stays On

.....................................................

9-2

LAN or WAN Port LEDs Not On

...............................................................................

9-2

Troubleshooting the Web Configuration Interface

..........................................................

9-3

Troubleshooting the ISP Connection

..............................................................................

9-4

ADSL link

.................................................................................................................

9-4

WAN LED Blinking Yellow

..................................................................................

9-4

WAN LED Off

.....................................................................................................

9-4

Obtaining a WAN IP Address

...................................................................................

9-5

Troubleshooting PPPoE or PPPoA

..........................................................................

9-6

Troubleshooting Internet Browsing

..........................................................................

9-6

Troubleshooting a TCP/IP Network Using the Ping Utility

..............................................

9-7

Testing the LAN Path to Your Router

.......................................................................

9-7

Testing the Path from Your Computer to a Remote Device

.....................................

9-8

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Restoring the Default Configuration and Password

........................................................

9-9

Using the Reset button

.............................................................................................

9-9

Problems with Date and Time

.........................................................................................

9-9

Appendix A

Technical Specifications

Appendix B

Network and Routing 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

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-9

Internet Security and Firewalls

....................................................................................

B-10

What is a Firewall?

................................................................................................

B-10

Stateful Packet Inspection

.....................................................................................

B-10

Denial of Service Attack

.........................................................................................

B-11

Ethernet Cabling

...........................................................................................................

B-11

Category 5 Cable Quality

.......................................................................................

B-11

Inside Twisted Pair Cables

....................................................................................

B-12

Uplink Switches, Crossover Cables, and MDI/MDIX Switching

............................

B-13

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

Installing or Verifying Windows Networking Components

.......................................

C-2

Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me

C-4

Selecting the Windows’ Internet Access Method

....................................................

C-6