3COM 3CR858-91 User Manual
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OfficeConnect® Cable/DSL Router

User Guide

3CR858-91

http://www.3com.com/

Part No. DUA8589-1AAA01

Rev. 01

Published July 2004

3Com Corporation

350 Campus Drive,

Marlborough, MA

USA 01752-3064

Copyright © 2004, 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, 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.

Netscape Navigator is a registered trademark of Netscape Communications.

JavaScript is a trademark of Sun Microsystems

Wi-Fiand theWi-Filogo are registered trademarks of theWI-FiAlliance.

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

 

 

 

 

1 INTRODUCING THE ROUTER

 

 

OfficeConnect Cable/DSL Router 11

 

 

Router Advantages

13

 

 

 

Package Contents

13

 

 

 

Minimum System and Component Requirements 14

 

Front Panel

14

 

 

 

 

 

Rear Panel 16

 

 

 

 

 

 

 

2 HARDWARE INSTALLATION

 

 

Introduction

17

 

 

 

 

 

Safety Information

17

 

 

 

Positioning the Router

17

 

 

 

Using the Rubber Feet

18

 

 

Wall Mounting 18

 

 

 

 

Connecting the Router

18

 

 

 

 

 

3 SETTING UP YOUR COMPUTERS

 

 

Obtaining an IP Address Automatically

21

 

Windows 2000

21

 

 

 

Windows XP

23

 

 

 

 

Windows 95/98/ME

23

 

 

Macintosh

23

 

 

 

Disabling PPPoE and PPTP Client Software 24

 

Disabling Web Proxy

24

 

 

4 RUNNING THE SETUP WIZARD

 

Accessing the Wizard

25

 

Password

27

 

 

Time Zone

28

 

 

Connection Type

29

 

DNS 35

 

 

 

Hostname and MAC Address 36

LAN Settings 37

Configuration Summary 38

5 ROUTER CONFIGURATION

Navigating Through the Router Configuration Pages 39

Main Menu

39

 

LAN Settings 40

 

Internet Settings

42

 

Connection to ISP

43

DNS

49

 

 

Hostname & MAC

50

Firewall

50

 

 

SPI

51

 

 

Special Applications

54

Virtual Servers

56

 

Client IP Filters

57

 

MAC Address Filtering 62

DMZ

63

 

 

VPN

64

 

 

Adding an IPSec Connection 67

Adding an L2TP over IPSec Connection 68

Adding a PPTP Connection

70

SNMP

71

 

 

System Tools

72

 

Restart Router 73

 

Reset to Factory Defaults

73

Backup/Restore Settings

74

Upgrade

75

 

Admin Password

76

 

Time Zone

77

 

 

Advanced

79

 

 

NAT

79

 

 

 

Universal Plug and Play

80

WAN Ping Blocking 81

 

Remote Administration

81

Routing

82

 

 

DDNS

86

 

 

Status and Logs 87

 

Status

87

 

 

Traffic Metering

88

 

Logs

88

 

 

 

Support/Feedback

89

 

Support

89

 

 

Feedback

90

 

 

6

TROUBLESHOOTING

 

 

 

 

Basic Connection Checks

91

 

 

 

Browsing to the Router Configuration Screens

91

 

Connecting to the Internet

92

 

 

 

Forgotten Password and Reset to Factory Defaults 93

 

Alert LED 93

 

 

 

 

Power LED or Power Adapter OK LED Not Lit

94

 

Replacement Power Adapters 94

 

 

 

Recovering from Corrupted Software

95

 

 

Frequently Asked Questions

96

 

 

A

 

 

 

 

IP ADDRESSING

 

 

 

 

The Internet Protocol Suite

99

 

 

 

Managing the Router over the Network

99

 

IP Addresses and Subnet Masks 99

How does a Device Obtain an IP Address and Subnet Mask? 101

DHCP Addressing

101

Static Addressing

101

Auto-IP Addressing

101

BISP INFORMATION

CTECHNICAL SPECIFICATIONS

OfficeConnect Cable/DSL Router 105

Standards 105

DSAFETY INFORMATION

EOBTAINING SUPPORT FOR YOUR PRODUCT

Register Your Product to Gain Service Benefits 111

Purchase Value-Added Services

111

Troubleshoot Online 111

 

Access Software Downloads

112

Contact Us 112

 

Telephone Technical Support and Repair 112

FEND USER SOFTWARE LICENSE AGREEMENT

GLOSSARY

REGULATORY NOTICES

INDEX