NETGEAR ADSL2+ DG834GV4 User manual

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About This Manual
The NETGEAR®ADSL2+ Modem Wireless Router DG834Gv4 Reference Manual describes how
to install, configure, and troubleshoot the 54 Mbps ADSL2+ Modem Wireless Router Model
DG834Gv4.
Who Should Use This Book
The information in this manual is intended for readers with intermediate to advanced system
management skills.
This document was created primarily for the system administrator who wishes to install and
configure the ADSL2+ Modem Wireless Router in a network. It assumes that the reader has a
general understanding of switch platforms and a basic knowledge of Ethernet and networking
concepts. To install this modem router, it is not necessary to understand and use all of its
capabilities. Once basic configuration is performed, it will function in a network using its
remaining factory default settings. However, a greater level of configuration—anywhere from the
basic up to the maximum possible—will allow your network the full benefit of the switch’s
features. The Web interface simplifies this configuration at all levels.
How to Use This Book
This document describes configuration menu commands for the ADSL2+ Modem Wireless Router
software. The commands can all be accessed from the Web interface.
•Chapter 1, “Connecting Your Router to the Internet,” describes how to use the Smart Wizard
Discovery utility to set up your router so that you can communicate with it.
•Chapter 2, “Wireless Configuration,” describes how to configure the wireless features
•Chapter 3, “Protecting Your Network,” describes how to configure the basic firewall features.
•Chapter 4, “Managing Your Network,” describes how describes how to perform network
management tasks.
•Chapter 5, “Advanced Configuration,” describes how to configure advanced features.
•Chapter 6, “Virtual Private Networking,” describes how to configure the virtual private
networking (VPN) features.

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•Chapter 7, “Troubleshooting,” describes how to troubleshoot your modem router.
•Appendix A, “Technical Specifications,” gives ADSL2+ Modem Wireless Router
specifications, lists default feature values, and provides information about features that are
supported but are not user-configurable.
•Appendix B, “NETGEAR VPN Configuration,” presents a case study on how to configure a
secure IPSec VPN tunnel from a NETGEAR DG834Gv4 modem router to a NETGEAR
FVL328 VPN firewall.
•Appendix C, “Related Documents,” provides links to reference documents.
Conventions, Formats, and Scope
The conventions, formats, and scope of this manual are described in the following paragraphs:
•Typographical Conventions. This manual uses the following typographical conventions:
•Formats. This manual uses the following formats to highlight special messages:
Italic Emphasis, books, CDs, file and server names, extensions
Bold User input, IP addresses, GUI screen text
Fixed Command prompt, CLI text, code
italic URL links
Note: This format is used to highlight information of importance or special interest.
Tip: This format is used to highlight a procedure that will save time or resources.
Warning: Ignoring this type of note might result in a malfunction or damage to the
equipment.

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•Scope. This manual is written for the ADSL2+ Modem Wireless Router according to these
specifications:
For more information about network, Internet, firewall, and VPN technologies, see the links to the
NETGEAR website in Appendix C, “Related Documents.”
How to Use This Manual
The HTML version of this manual includes the following:
• Buttons, and , for browsing forward or backward through the manual one page
at a time.
• A button that displays the table of contents and an button that displays an
index. Double-click on a link in the table of contents or index to navigate directly to where the
topic is described in the manual.
• A button to access the full NETGEAR, Inc. online knowledge base for the product
model.
• Links to PDF versions of the full manual and individual chapters.
How to Print this Manual
To print this manual, choose one of the following options:
•Printing a page from HTML. Each page in the HTML version of the manual is dedicated to
a major topic. Select File > Print from the browser menu to print the page contents.
Danger: This is a safety warning. Failure to take heed of this notice might result in
personal injury or death.
Product Version 54 Mbps ADSL2+ Modem Wireless Router Model DG834Gv4
Manual Publication Date July 2008
Note: Product updates are available on the NETGEAR, Inc. website at
http://www.netgear.com/support.

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•Printing from PDF. Your computer must have the free Adobe Acrobat Reader installed in
order for you to view and print PDF files. The Acrobat Reader is available on the Adobe
website at http://www.adobe.com.
– Printing a PDF chapter.
• Click the PDF of This Chapter link at the top left of any page in the chapter you want
to print. The PDF version of the chapter you were viewing opens in a browser
window.
• Click the print icon in the upper left of your browser window.
– Printing a PDF version of the Complete Manual.
• Click the Complete PDF Manual link at the top left of any page in the manual. The
PDF version of the complete manual opens in a browser window.
• Click the print icon in the upper left of your browser window. Printing the Full
Manual.
Tip: If your printer supports printing two pages on a single sheet of paper, you can
save paper and printer ink by selecting this feature.

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Revision History
Part Number Version
Number Date Description
202-10394-01 1.0 Product created
202-10394-01 2.0 September 2007 Reference Manual revised.
202-10394-02 1.0 July 2008 Screen shots updated, procedures updated, document
elements updated, and the following features added or
updated:
• Automatic Daylight Savings Time Adjustment. See
“Setting Your Time Zone” in Chapter 3.
• Remote management from up to ten IP addresses. See
“Enabling Remote Management” in Chapter 4.
• Automatic Firmware Recovery. See “Automatic Firmware
Recovery” in Chapter 4.
• Internet Group Management Protocol version 2 (IGMP2).
See “Internet Group Management Protocol Version 2” in
Appendix A.
• Link Layer Topology Discovery (LLTD). See “Link Layer
Topology Discovery” in Appendix A.

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