Netgear DG834 Operations Instructions Page 1

SM-DG834V2NA-1May 2004NETGEAR, Inc.4500 Great America Parkway Santa Clara, CA 95054 USAPhone 1-888-NETGEARReference Manual for the Model DG834 ADSL F

x ContentsVerifying the Readiness of Your Internet Account ... C-18Are Login Protocols Used? ...

Reference Manual for the Model DG834 ADSL Firewall RouterB-2 Network and Routing Basics Routing Information ProtocolOne of the protocols used by a rou

Reference Manual for the Model DG834 ADSL Firewall RouterNetwork and Routing Basics B-3 Figure 7-1: Three Main Address ClassesThe five address classes

Reference Manual for the Model DG834 ADSL Firewall RouterB-4 Network and Routing Basics This addressing structure allows IP addresses to uniquely iden

Reference Manual for the Model DG834 ADSL Firewall RouterNetwork and Routing Basics B-5 Subnet addressing allows us to split one IP network address in

Reference Manual for the Model DG834 ADSL Firewall RouterB-6 Network and Routing Basics The following table lists the additional subnet mask bits in d

Reference Manual for the Model DG834 ADSL Firewall RouterNetwork and Routing Basics B-7 NETGEAR strongly recommends that you configure all hosts on a

Reference Manual for the Model DG834 ADSL Firewall RouterB-8 Network and Routing Basics The router accomplishes this address sharing by translating th

Reference Manual for the Model DG834 ADSL Firewall RouterNetwork and Routing Basics B-9 MAC Addresses and Address Resolution ProtocolAn IP address alo

Reference Manual for the Model DG834 ADSL Firewall RouterB-10 Network and Routing Basics When a PC accesses a resource by its descriptive name, it fir

Reference Manual for the Model DG834 ADSL Firewall RouterNetwork and Routing Basics B-11 What is a Firewall?A firewall is a device that protects one n

About This Guide 1-1 Chapter 1 About This GuideThank you for purchasing the NETGEAR™ DG834 ADSL Firewall Router.Audience, Conventions, Scope This refe

Reference Manual for the Model DG834 ADSL Firewall RouterB-12 Network and Routing Basics .Category 5 Cable QualityCategory 5 distributed cable that me

Reference Manual for the Model DG834 ADSL Firewall RouterNetwork and Routing Basics B-13 Inside Twisted Pair CablesFor two devices to communicate, the

Reference Manual for the Model DG834 ADSL Firewall RouterB-14 Network and Routing Basics Figure B-3: Category 5 UTP Cable with Male RJ-45 Plug at Eac

Reference Manual for the Model DG834 ADSL Firewall RouterNetwork and Routing Basics B-15 The DG834 ADSL router incorporates Auto UplinkTM technology (

Reference Manual for the Model DG834 ADSL Firewall RouterB-16 Network and Routing Basics

Preparing Your Network C-1 Appendix CPreparing Your NetworkThis appendix describes how to prepare your network to connect to the Internet through the

Reference Manual for the Model DG834 ADSL Firewall RouterC-2 Preparing Your Network In your IP network, each PC and the router must be assigned a uniq

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-3 You must have an Ethernet adapter, the TCP/IP protocol, and Client

Reference Manual for the Model DG834 ADSL Firewall RouterC-4 Preparing Your Network If you need Client for Microsoft Networks:a. Click the Add button.

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-5 Verify the following settings as shown: • Client for Microsoft Net

Reference Manual for the Model DG834 ADSL Firewall Router1-2 About This Guide How to Use this ManualThe HTML version of this manual includes these fea

Reference Manual for the Model DG834 ADSL Firewall RouterC-6 Preparing Your Network Selecting the Windows’ Internet Access Method1. On the Windows tas

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-7 2. Type winipcfg, and then click OK.The IP Configuration window op

Reference Manual for the Model DG834 ADSL Firewall RouterC-8 Preparing Your Network DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4You will f

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-9 • Now you should be at the Local Area Network Connection Status wi

Reference Manual for the Model DG834 ADSL Firewall RouterC-10 Preparing Your Network DHCP Configuration of TCP/IP in Windows 2000 Once again, after yo

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-11 • Click on the My Network Places icon on the Windows desktop. Th

Reference Manual for the Model DG834 ADSL Firewall RouterC-12 Preparing Your Network • With Internet Protocol (TCP/IP) selected, click on Properties t

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-13 DHCP Configuration of TCP/IP in Windows NT4Once you have installe

Reference Manual for the Model DG834 ADSL Firewall RouterC-14 Preparing Your Network • Highlight the TCP/IP Protocol in the Network Protocols box, and

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-15 Verifying TCP/IP Properties for Windows XP, 2000, and NT4To check

Reference Manual for the Model DG834 ADSL Firewall RouterAbout This Guide 1-3 How to Print this ManualTo print this manual you man choose one of the f

Reference Manual for the Model DG834 ADSL Firewall RouterC-16 Preparing Your Network • The default gateway is 192.168.0.14. Type exit Configuring the

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-17 2. If not already selected, select Built-in Ethernet in the Confi

Reference Manual for the Model DG834 ADSL Firewall RouterC-18 Preparing Your Network Verifying the Readiness of Your Internet AccountFor broadband acc

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-19 • An IP address and subnet mask• A gateway IP address, which is t

Reference Manual for the Model DG834 ADSL Firewall RouterC-20 Preparing Your Network If an IP address appears under Installed Gateways, write down the

Reference Manual for the Model DG834 ADSL Firewall RouterPreparing Your Network C-21 Restarting the NetworkOnce you have set up your computers to work

Reference Manual for the Model DG834 ADSL Firewall RouterC-22 Preparing Your Network

Glossary 1Glossary10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring.100BASE-Tx IEEE 802.3 specification for 100 Mbps Eth

Reference Manual for the Model DG834 ADSL Firewall Router2 GlossaryCat 5Category 5 unshielded twisted pair (UTP) cabling. An Ethernet network operatin

Reference Manual for the Model DG834 ADSL Firewall RouterGlossary3IP AddressA four-byte number uniquely defining each host on the Internet. Ranges of

Reference Manual for the Model DG834 ADSL Firewall Router1-4 About This Guide

Reference Manual for the Model DG834 ADSL Firewall Router4 GlossaryNetmaskA number that explains which part of an IP address comprises the network add

Reference Manual for the Model DG834 ADSL Firewall RouterGlossary5routerA device that forwards data between networks. An IP router forwards data based

Reference Manual for the Model DG834 ADSL Firewall Router6 GlossaryWPAWi-Fi Protected Access (WPA) is a specification of standards-based, interoperabl

Introduction 2-1 Chapter 2IntroductionThis chapter describes the features of the NETGEAR DG834 ADSL Firewall Router. The DG834 ADSL router is a combin

Reference Manual for the Model DG834 ADSL Firewall Router2-2 Introduction Key FeaturesThe DG834 ADSL router provides the following features:• A powerf

Reference Manual for the Model DG834 ADSL Firewall RouterIntroduction 2-3 Auto Sensing and Auto Uplink™ LAN Ethernet ConnectionsWith its internal 4-po

Reference Manual for the Model DG834 ADSL Firewall Router2-4 Introduction • PPP over Ethernet (PPPoE) PPP over Ethernet is a protocol for connecting r

Reference Manual for the Model DG834 ADSL Firewall RouterIntroduction 2-5 • Diagnostic functions The router incorporates built-in diagnostic functions

ii © 2004 by NETGEAR, Inc. All rights reserved. May, 2004. TrademarksNETGEAR is a trademark of Netgear, Inc. Microsoft, Windows, and Windows NT are re

Reference Manual for the Model DG834 ADSL Firewall Router2-6 Introduction The Router’s Front PanelThe DG834 ADSL Firewall Router front panel shown bel

Reference Manual for the Model DG834 ADSL Firewall RouterIntroduction 2-7 The Router’s Rear PanelThe rear panel of the DG834 ADSL Firewall Router (Fig

Reference Manual for the Model DG834 ADSL Firewall Router2-8 Introduction

Connecting the Router to the Internet 3-1 Chapter 3 Connecting the Router to the InternetThis chapter describes how to set up the router on your Local

Reference Manual for the Model DG834 ADSL Firewall Router3-2 Connecting the Router to the Internet Each device such as a telephone, fax machine, answe

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-3 Internet Configuration RequirementsDepending on how

Reference Manual for the Model DG834 ADSL Firewall Router3-4 Connecting the Router to the Internet ISP Multiplexing Method and Virtual Circuit Number:

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-5 Connecting the DG834 to Your LANThis section provid

Reference Manual for the Model DG834 ADSL Firewall Router3-6 Connecting the Router to the Internet .Figure 3-4: Connecting an ADSL microfilter and ph

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-7 c.Connect the Ethernet cable (C) from your DG834’s

iiiBestätigung des Herstellers/ImporteursEs wird hiermit bestätigt, daß das DG834 ADSL Firewall Router gemäß der im BMPT-AmtsblVfg 243/1991 und Vfg 4

Reference Manual for the Model DG834 ADSL Firewall Router3-8 Connecting the Router to the Internet 3.LOG IN TO THE DG834.Note: Your computer needs to

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-9 Figure 3-9: Setup Wizard4.CONNECT TO THE INTERNETT

Reference Manual for the Model DG834 ADSL Firewall Router3-10 Connecting the Router to the Internet Note: If instead of the Setup Wizard menu, the mai

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-11 Wizard-Detected PPPoE Login Account SetupIf the Se

Reference Manual for the Model DG834 ADSL Firewall Router3-12 Connecting the Router to the Internet Wizard-Detected Dynamic IP Account SetupIf the Set

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-13 DNS servers are required to perform the function o

Reference Manual for the Model DG834 ADSL Firewall Router3-14 Connecting the Router to the Internet 4.Enter the IP address of your ISP’s Primary DNS S

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-15 Manually Configuring Your Internet Connection You

Reference Manual for the Model DG834 ADSL Firewall Router3-16 Connecting the Router to the Internet How to Perform Manual ConfigurationWe recommend th

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-17 • Select “Get Automatically from ISP” if your ISP

iv

Reference Manual for the Model DG834 ADSL Firewall Router3-18 Connecting the Router to the Internet • Select “Get Automatically from ISP” if your ISP

Reference Manual for the Model DG834 ADSL Firewall RouterConnecting the Router to the Internet 3-19 A DNS server is a host on the Internet that transl

Reference Manual for the Model DG834 ADSL Firewall Router3-20 Connecting the Router to the Internet If your ISP provided you with a specific Multiplex

Protecting Your Network 4-1 Chapter 4 Protecting Your Network This chapter describes how to use the basic firewall features of the DG834 ADSL Firewall

Reference Manual for the Model DG834 ADSL Firewall Router4-2 Protecting Your Network 2.From the Main Menu of the browser interface, under the Maintena

Reference Manual for the Model DG834 ADSL Firewall RouterProtecting Your Network 4-3 Blocking Keywords, Sites, and ServicesThe router provides a varie

Reference Manual for the Model DG834 ADSL Firewall Router4-4 Protecting Your Network 2.Select the Block Sites link of the Security menu. Figure 4-3:

Reference Manual for the Model DG834 ADSL Firewall RouterProtecting Your Network 4-5 7.Click Apply to save your settings.Firewall RulesFirewall rules

Reference Manual for the Model DG834 ADSL Firewall Router4-6 Protecting Your Network • To edit an existing rule, select its button on the left side of

Reference Manual for the Model DG834 ADSL Firewall RouterProtecting Your Network 4-7 Inbound Rule Example: A Local Public Web ServerIf you host a publ

Contents v ContentsChapter 1 About This GuideAudience, Conventions, Scope ...

Reference Manual for the Model DG834 ADSL Firewall Router4-8 Protecting Your Network • WAN Users These settings determine which packets are covered by

Reference Manual for the Model DG834 ADSL Firewall RouterProtecting Your Network 4-9 Considerations for Inbound Rules• If your external IP address is

Reference Manual for the Model DG834 ADSL Firewall Router4-10 Protecting Your Network Outbound Rule Example: Blocking Instant MessengerIf you want to

Reference Manual for the Model DG834 ADSL Firewall RouterProtecting Your Network 4-11 • LAN Users These settings determine which packets are covered b

Reference Manual for the Model DG834 ADSL Firewall Router4-12 Protecting Your Network Order of Precedence for RulesAs you define new rules, they are a

Reference Manual for the Model DG834 ADSL Firewall RouterProtecting Your Network 4-13 Although the DG834 already holds a list of many service port num

Reference Manual for the Model DG834 ADSL Firewall Router4-14 Protecting Your Network 4.Click Apply to save your changes.Setting Times and Scheduling

Reference Manual for the Model DG834 ADSL Firewall RouterProtecting Your Network 4-15 Note: If your region uses Daylight Savings Time, you must manual

Reference Manual for the Model DG834 ADSL Firewall Router4-16 Protecting Your Network

Managing Your Network 5-1 Chapter 5 Managing Your Network This chapter describes how to perform network management tasks with your DG834 ADSL Firewall

vi ContentsConnecting the DG834 to Your LAN ...3-5How to Connect the Rout

Reference Manual for the Model DG834 ADSL Firewall Router5-2 Managing Your Network 4.Store the .cfg file on a computer on your network.How to Restore

Reference Manual for the Model DG834 ADSL Firewall RouterManaging Your Network 5-3 How to Upgrade the Router FirmwareNote: NETGEAR recommends that you

Reference Manual for the Model DG834 ADSL Firewall Router5-4 Managing Your Network Network Management InformationThe DG834 provides a variety of statu

Reference Manual for the Model DG834 ADSL Firewall RouterManaging Your Network 5-5 This screen shows the following parameters:Table 5-1. Menu 3.2 - Ro

Reference Manual for the Model DG834 ADSL Firewall Router5-6 Managing Your Network Click the Show Statistics button to display router usage statistics

Reference Manual for the Model DG834 ADSL Firewall RouterManaging Your Network 5-7 Click the Connection Status button to display router connection sta

Reference Manual for the Model DG834 ADSL Firewall Router5-8 Managing Your Network An alternate view of the Connection Status screen is shown in Figur

Reference Manual for the Model DG834 ADSL Firewall RouterManaging Your Network 5-9 Viewing Attached DevicesThe Attached Devices menu contains a table

Reference Manual for the Model DG834 ADSL Firewall Router5-10 Managing Your Network An example of the logs file is shown below. Figure 5-8: Security

Reference Manual for the Model DG834 ADSL Firewall RouterManaging Your Network 5-11 Log entries are described in Table 5-1 below:Log action buttons ar

Contents vii How to Schedule Firewall Services ...4-15Chapter 5 Managing Your Ne

Reference Manual for the Model DG834 ADSL Firewall Router5-12 Managing Your Network • Known DoS attacks and Port ScansSaving Log Files on a ServerYou

Reference Manual for the Model DG834 ADSL Firewall RouterManaging Your Network 5-13 Enabling Security Event E-mail NotificationIn order to receive log

Reference Manual for the Model DG834 ADSL Firewall Router5-14 Managing Your Network Running Diagnostic Utilities and Rebooting the RouterThe DG834 ADS

Reference Manual for the Model DG834 ADSL Firewall RouterManaging Your Network 5-15 Configuring Remote Management1. Log in to the router at its defaul

Reference Manual for the Model DG834 ADSL Firewall Router5-16 Managing Your Network

Advanced Configuration 6-1 Chapter 6 Advanced Configuration This chapter describes how to configure the advanced features of your DG834 ADSL Firewall

Reference Manual for the Model DG834 ADSL Firewall Router6-2 Advanced Configuration Incoming traffic from the Internet is normally discarded by the ro

Reference Manual for the Model DG834 ADSL Firewall RouterAdvanced Configuration 6-3 Connect Automatically, as Required Normally, this option should be

Reference Manual for the Model DG834 ADSL Firewall Router6-4 Advanced Configuration These addresses are part of the Internet Engineering Task Force (I

Reference Manual for the Model DG834 ADSL Firewall RouterAdvanced Configuration 6-5 • RIP Version This controls the format and the broadcasting method

viii ContentsHow to Configure LAN TCP/IP Settings ...6-7Configuring Dynamic DNS ...

Reference Manual for the Model DG834 ADSL Firewall Router6-6 Advanced Configuration • An IP Address from the range you have defined• Subnet Mask• Gate

Reference Manual for the Model DG834 ADSL Firewall RouterAdvanced Configuration 6-7 2.From the Main Menu, under Advanced, click the LAN IP Setup link

Reference Manual for the Model DG834 ADSL Firewall Router6-8 Advanced Configuration How to Configure Dynamic DNS1. Log in to the router at its default

Reference Manual for the Model DG834 ADSL Firewall RouterAdvanced Configuration 6-9 Using Static RoutesStatic Routes provide additional routing inform

Reference Manual for the Model DG834 ADSL Firewall Router6-10 Advanced Configuration • The Router IP Address fields specifies that all traffic for the

Reference Manual for the Model DG834 ADSL Firewall RouterAdvanced Configuration 6-11 3.To add or edit a Static Route:a. Click the Edit button to open

Reference Manual for the Model DG834 ADSL Firewall Router6-12 Advanced Configuration

Troubleshooting 7-1 Chapter 7 TroubleshootingThis chapter gives information about troubleshooting your DG834 ADSL Firewall Router. After each problem

Reference Manual for the Model DG834 ADSL Firewall Router7-2 Troubleshooting If a port’s LED is lit, a link has been established to the connected devi

Reference Manual for the Model DG834 ADSL Firewall RouterTroubleshooting 7-3 • Make sure that power is turned on to the connected hub or workstation.•

Contents ix Netmask ... B-4Subnet Addre

Reference Manual for the Model DG834 ADSL Firewall Router7-4 Troubleshooting • Click the Refresh or Reload button in the Web browser. The changes may

Reference Manual for the Model DG834 ADSL Firewall RouterTroubleshooting 7-5 If disconnecting telephones does not result in a green WAN LED the proble

Reference Manual for the Model DG834 ADSL Firewall Router7-6 Troubleshooting • Your ISP only allows one Ethernet MAC address to connect to Internet, a

Reference Manual for the Model DG834 ADSL Firewall RouterTroubleshooting 7-7 A DNS server is a host on the Internet that translates Internet names (su

Reference Manual for the Model DG834 ADSL Firewall Router7-8 Troubleshooting • Wrong physical connections— Make sure the LAN port LED is on. If the LE

Reference Manual for the Model DG834 ADSL Firewall RouterTroubleshooting 7-9 Restoring the Default Configuration and PasswordThis section explains how

Reference Manual for the Model DG834 ADSL Firewall Router7-10 Troubleshooting

Technical Specifications A-1 Appendix ATechnical SpecificationsThis appendix provides technical specifications for the DG834 ADSL Firewall Router.Netw

Reference Manual for the Model DG834 ADSL Firewall RouterA-2 Technical Specifications LAN: 10BASE-T or 100BASE-Tx, RJ-45WAN: ADSL, Dual RJ-11, pins 2

Network and Routing Basics B-1 Appendix BNetwork and Routing BasicsThis chapter provides an overview of IP networks and routing.Related PublicationsAs