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Chapter 3

Protecting Your Network

Changing the Default Password

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

3-1

Blocking Keywords, Sites and Services

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

3-2

Blocking Keywords and Domains

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

3-3

Using MAC Filtering to Block Access

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

3-4

Blocking Access by Time of Day

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

3-5

Inbound and Outbound Rules

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

3-6

Port Blocking

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

3-7

Port Forwarding

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

3-8

Port Triggering

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

3-10

Setting Up A Default DMZ Host

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

3-11

Turning On Universal Plug and Play (UPnP)

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

3-12

Enabling or Disabling Content Filtering Services

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

3-14

Chapter 4

Managing Your Network

Network Status Information

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

4-1

Viewing Gateway Status

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

4-1

Viewing Connection Status

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

4-3

Current System Time

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

4-3

MTA Status

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

4-3

About LAN IP Settings

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

4-4

Using the Gateway as a DHCP Server

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

4-5

Configuring the LAN IP Settings

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

4-5

Viewing and Emailing Event Log Information

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

4-7

Restoring Factory Default Configuration Settings

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

4-8

Running Diagnostic Utilities

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

4-9

Enabling Remote Management Access

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

4-10

Chapter 5

Troubleshooting

Basic Functions

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

5-1

Troubleshooting the Web Configuration Interface

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

5-2

Troubleshooting the ISP Connection

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

5-3

Troubleshooting a TCP/IP Network Using a Ping Utility

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

5-4

Testing the LAN Path to Your Gateway

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

5-4

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Testing the Path from Your PC to a Remote Device

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

5-5

Appendix A

Default Settings and Technical Specifications

Factory Default Settings

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

A-1

Technical Specifications

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

A-3

Appendix B

Related Documents

Index

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ix

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About This Manual

The

NETGEAR

®

Wireless Cable Voice Gateway Model CVG824G Reference Manual

describes

how to install, configure, and troubleshoot the Voice Gateway. The information in this manual is

intended for readers with intermediate computer and Internet skills.

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:

Italics

Emphasis, books, CDs, URL names

Bold

User input

Fixed

Screen text, file and server names, extensions, commands, IP addresses

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 may result in a malfunction or damage to the

equipment.

Danger:

This is a safety warning. Failure to take heed of this notice may result in

personal injury or death.

Wireless Cable Voice Gateway Model CVG824G Reference Manual

x

v1.0, November 2006

•

Scope.

This manual is written for the Voice Gateway according to these specifications:

For more information about network, Internet, firewall, and VPN technologies, see the links to the

NETGEAR website in

Appendix B, “Related Documents”

.

How to Use This Manual

The HTML version of this manual includes the following:

•

Buttons,

and

, for browsing forwards or backwards through the manual one page

at a time

•

A

button that displays the table of contents and an

button. 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 you can choose one of the following several options, according to your needs.

Your computer must have the free Adobe Acrobat Reader installed in order to view and print PDF

files. The Acrobat Reader is available on the Adobe website at

.

•

Printing a Page in the HTML View

. Each page in the HTML version of the manual is

dedicated to a major topic. Use the

Print

button on the browser toolbar to print the page

contents.

•

Printing a Chapter.

Use the

PDF of This Chapter

link at the top left of any page.

Product Version

Wireless Cable Voice Gateway

Manual Publication Date

November 2006

Note:

Product updates are available on the NETGEAR, Inc. website at

.