3COM 3CRWE554G72 User Manual
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OfficeConnect®

Wireless 11g Cable/DSL Gateway

User Guide

3CRWE554G72

http://www.3com.com/

Part No. DUA0055-4AAA01

Rev. 01

Published July 2003

3Com Corporation 5500 Bayfront Plaza Santa Clara, California 95052-8145

Copyright © 2003, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.

3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.

If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.

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 DFAR252.227-7015(Nov 1995) or FAR52.227-14(June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

3Com, OfficeConnect and the 3Com logo are registered trademarks of 3Com Corporation.

Intel and Pentium are registered trademarks of Intel Corporation. Microsoft, MS-DOS,Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd.

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IEEE and 802 are trademarks of the Institute of Electrical and Electronics Engineers, Inc.

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

ENVIRONMENTAL STATEMENT

It is the policy of 3Com Corporation to be environmentally-friendlyin 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-lifeelectronic components.

Regulated Materials Statement

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

Environmental Statement about the Documentation

The documentation for this product is printed on paper that comes from sustainable, managed forests; it is fully biodegradable and recyclable, and is completely chlorine-free.The varnish isenvironmentally-friendly,and the inks arevegetable-basedwith a lowheavy-metalcontent.

CONTENTS

ABOUT THIS GUIDE

 

Naming Convention

7

 

 

 

 

Conventions

8

 

 

 

 

 

 

Feedback about this User Guide

8

 

 

Related Documentation 9

 

 

 

Product Registration

9

 

 

 

 

 

 

1 INTRODUCING THE GATEWAY

 

 

 

OfficeConnect Wireless 11g Cable/DSL Gateway

11

 

Gateway Advantages

13

 

 

 

Package Contents

13

 

 

 

 

Minimum System and Component Requirements

14

 

Front Panel

14

 

 

 

 

 

 

Rear Panel

16

 

 

 

 

 

 

 

 

 

2 HARDWARE INSTALLATION

 

 

 

Introduction

19

 

 

 

 

 

 

Safety Information

19

 

 

 

Positioning the Gateway

19

 

 

 

Using the Rubber Feet

20

 

 

 

Wall Mounting

20

 

 

 

 

 

Before you Install your Gateway 21

 

 

 

Powering Up the Gateway

22

 

 

 

Connecting the Gateway

22

 

 

 

 

 

 

3 SETTING UP YOUR COMPUTERS

 

 

 

Obtaining an IP Address Automatically

25

 

 

Windows 2000

25

 

 

 

 

Windows XP

27

 

 

 

 

 

Windows 95/98/ME

27

 

 

 

Macintosh

27

 

 

Disabling PPPoE and PPTP Client Software 28

 

Disabling Web Proxy

28

 

 

4 RUNNING THE SETUP WIZARD

 

Accessing the Wizard

29

 

Password

32

 

 

 

Time Zone

32

 

 

WAN Settings

33

 

 

LAN Settings

38

 

 

DHCP 38

 

 

 

 

Wireless Settings

39

 

Summary

40

 

 

5 GATEWAY CONFIGURATION

Navigating Through the Gateway Configuration Pages 41

Main Menu

 

41

 

 

Option Tabs

 

42

 

 

Welcome Screen

42

 

 

Notice Board

42

 

 

Password

43

 

 

Wizard

44

 

 

 

LAN Settings

44

 

 

Unit Configuration

44

 

DHCP Clients List

45

 

Wireless Settings

47

 

 

Configuration

47

 

 

Encryption

49

 

 

Configuring WPA Encryption

49

Configuring WEP Encryption

50

Connection Control

53

 

Client List

55

 

 

Profile

55

 

 

 

 

Internet Settings

57

 

 

Connection to ISP

58

 

Firewall

63

 

 

 

 

Virtual Servers

63

 

 

Special Applications 65

PC Privileges

67

URL Filter

69

 

Security

73

 

System Tools

75

 

Restart

75

 

Time Zone 76

Configuration

77

Upgrade

78

 

Status and Logs

78

Status

79

 

Usage

79

 

Logs 80

 

Support/Feedback

80

Support

81

 

Feedback

81

 

6

TROUBLESHOOTING

 

 

 

 

Basic Connection Checks

83

 

 

 

Browsing to the Gateway Configuration Screens

83

 

Connecting to the Internet

84

 

 

 

Forgotten Password and Reset to Factory Defaults

85

 

Wireless Networking 85

 

 

 

 

Replacement Power Adapters

87

 

 

Alert LED 88

 

 

 

 

Recovering from Corrupted Software 89

 

 

Frequently Asked Questions

90

 

 

A

 

 

 

 

USING DISCOVERY

 

 

 

 

Running the Discovery Application

93

 

 

Windows Installation (95/98/2000/Me/NT) 93

 

B

 

 

 

 

IP ADDRESSING

 

 

 

 

The Internet Protocol Suite

95

 

 

 

Managing the Gateway over the Network 95

 

 

IP Addresses and Subnet Masks

95

 

How does a Device Obtain an IP Address and Subnet Mask? 97

DHCP Addressing

97

Static Addressing

97

Auto-IP Addressing

97

C TECHNICAL SPECIFICATIONS

Standards 100

DSAFETY INFORMATION

EEND USER SOFTWARE LICENSE AGREEMENT

FISP INFORMATION

GLOSSARY

INDEX

REGULATORY NOTICES FOR THE WIRELESS 11G CABLE/DSL GATEWAY

ABOUTTHISGUIDE

This guide describes how to install and configure the OfficeConnect

Wireless 11g Cable/DSL Gateway (3CRWE554G72).

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 gateway systems.

If a release note is shipped with the OfficeConnect Wireless 11g Cable/DSL Gateway 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 OfficeConnect Wireless 11g Cable/DSL Gateway is referred to as the “Gateway”.

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

Pair Cables throughout this guide.