3Com 3CRWDR300A-73 Manuel utilisateur

http://www.3Com.com/

Part No. 10015880 Rev. AA

Published June 2008

Wireless 11n ADSL Firewall Router

User Guide

WL-603

3CRWDR300A-73

3CRWDR300B-73

3Com Corporation

350 Campus Drive,

Marlborough, MA

USA 01752-3064

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UNITED STATES GOVERNMENT LEGEND

If you are a United States government agency, then this documentation and the software described herein are

provided to you subject to the following:

All technical data and computer software are commercial in nature and developed solely at private expense.

Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or

as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are

provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights

only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable.

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be registered in other countries.

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Wi-Fi and the Wi-Fi logo are registered trademarks of the WI-Fi Alliance.

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All other company and product names may be trademarks of the respective companies with which they are

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ENVIRONMENTAL STATEMENT

It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we

are committed to:

Establishing environmental performance standards that comply with national legislation and regulations.

Conserving energy, materials and natural resources in all operations.

Reducing the waste generated by all operations. Ensuring that all waste conforms to recognized environmental

standards. Maximizing the recyclable and reusable content of all products.

Ensuring that all products can be recycled, reused and disposed of safely.

Ensuring that all products are labelled according to recognized environmental standards.

Improving our environmental record on a continual basis.

End of Life Statement

3Com processes allow for the recovery, reclamation and safe disposal of all end-of-life electronic components.

Regulated Materials Statement

3Com products do not contain any hazardous or ozone-depleting material.

Environmental Statement about the Documentation

The documentation for this product is printed on paper that comes from sustainable, managed forests; it is

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the inks are vegetable-based with a low heavy-metal content.

CONTENTS

ABOUT THIS GUIDE

Naming Convention 7

Conventions 8

Feedback About This User Guide 9

Related Documentation 9

INTRODUCING THE ROUTER

Wireless 11n Cable/DSL Firewall Router 11

Router Advantages 13

Package Contents 13

Minimum System and Component Requirements 14

Physical Features 14

INSTALLING THE ROUTER

Introduction 19

Safety Information 19

Positioning the Router 19

Using the Rubber Feet 20

Wall Mounting 20

Powering Up the Router 21

Connecting the Router 21

SETTING UPYOUR COMPUTERS

Obtaining an IP Address Automatically 25

Windows 2000 25

Windows Vista 27

Windows XP 28

Macintosh 28

Disabling PPPoE and PPTP Client Software 29

Disabling Web Proxy 29

RUNNING THE SETUP WIZARD

Accessing the Setup Wizard 31

Wizard -

Change Password 34

Wizard -

Time and Time Zone 34

Wizard -

Connection Type 35

Setup Wizard - LAN Settings 42

Wizard - Wireless Setting 43

Wizard - Configuration Summary 44

CONFIGURING THE ROUTER

Navigating Through the Router Configuration screens 45

Main Menu 45

Welcome Screen 45

Status 45

LAN Settings 46

DHCP Clients List 47

Wireless Settings 49

Configuration 50

Encryption 51

WPS 56

Connection Control 57

Client List 58

WMM 59

WDS 60

Advanced 61

Internet Settings 62

WAN 62

DNS 69

Clone MAC address 70

Firewall 71

SPI 71

Special Applications 75

Virtual Servers 76

DMZ 77

PC Privileges 78

Schedule Rule 80

URL Filter 81

Advanced 82

Security 82

VLAN 85

Static Routes 85

RIP 87

DDNS 89

SNMP 90

Syslog 91

Proxy ARP 92

QoS Settings 93

VPN 94

System Tools 98

Restart Router 98

Configuration 98

Upgrade 99

Time Zone 100

Ping 101

Traceroute 102

DNS Lookup 103

Status and Logs 104

Status 104

Routing Table 104

Logs 105

Traffic Statistics 105

Support/Feedback 106

Support 106

Feedback 106

TROUBLESHOOTING

Basic Connection Checks 107

Browsing to the Router Configuration Screens 107

Connecting to the Internet 108

Forgotten Password and Reset to Factory Defaults 108

Wireless Networking 109

Recovering from Corrupted Software 111

Frequently Asked Questions 112

IP ADDRESSING

The Internet Protocol Suite 113

Managing the Router over the Network 113

IP Addresses and Subnet Masks 113

How does a Device Obtain an IP Address and Subnet Mask? 115

DHCP Addressing 115

Static Addressing 115

Auto-IP Addressing 115

TECHNICAL SPECIFICATIONS

3Com Wireless 11n Cable/DSL Firewall Router 117

Standards 118

SAFETY INFORMATION

END USER SOFTWARE LICENSE AGREEMENT

OBTAINING SUPPORT FOR YOUR PRODUCT

GLOSSARY

REGULATORY NOTICES

INDEX

ABOUT THIS GUIDE

This guide describes how to install and configure the 3Com Wireless 11n

ADSL Firewall Router (3CRWDR300A-73, 3CRWDR300B-73).

This guide is intended for use by those responsible for installing and

setting up network equipment; consequently, it assumes a basic working

knowledge of LANs (Local Area Networks) and Internet Routers.

If a release note is shipped with the 3Com Wireless 11n ADSL Firewall

Router and contains information that differs from the information in this

guide, follow the information in the release note.

Most user guides and release notes are available in Adobe Acrobat

Reader Portable Document Format (PDF) on the 3Com World Wide Web

site:

http://www.3Com.com

Naming Convention Throughout this guide, the 3Com Wireless 11n ADSL Firewall Router is

referred to as the “Router”.

Category 3 and Category 5 Twisted Pair Cables are referred to as Twisted

Pair Cables throughout this guide.

8ABOUT THIS GUIDE

Conventions Table 1 and Ta b le 2 list conventions that are used throughout this guide.

Table 1 Notice Icons

Icon Notice Type Description

Information note Information that describes important features or

instructions.

Caution Information that alerts you to potential loss of data or

potential damage to an application, system, or device.

Warning Information that alerts you to potential personal

injury.

Table 2 Text Conventions

Convention Description

The words “enter”

and “type”

When you see the word “enter” in this guide, you must type

something, and then press Return or Enter. Do not press

Return or Enter when an instruction simply says “type.”

Keyboard key names If you must press two or more keys simultaneously, the key

names are linked with a plus sign (+). Example:

Press Ctrl+Alt+Del

Words in italics Italics are used to:

■Emphasize a point.

■Denote a new term at the place where it is defined in the

text.

■Identify menu names, menu commands, and software

button names. Examples:

From the Help menu, select Contents.

Click OK.

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