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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
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3Com Corporation 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 350 Campus Drive, adaptation) without written permission from 3Com Corporation. Marlborough, MA 3Com Corporation reserves the right to revise this documentation and to make changes in content from time USA 01752-3064 to time without obligation on the part of 3Com Corpor
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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 Au
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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 IP
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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 Adapter
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B ISP INFORMATION C TECHNICAL SPECIFICATIONS OfficeConnect Cable/DSL Router 105 Standards 105 D SAFETY INFORMATION E OBTAINING 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 F END USER SOFTWARE LICENSE AGREEMENT GLOSSARY REGULATORY NOTICES INDEX
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ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect Cable/DSL Router (3CR858-91). 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 Cable/DSL Router and contains information that differs from the information in this guide, follow the information in the release note. Mos
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8 ABOUT THIS GUIDE Conventions Table 1 and Table 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” When y
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Conventions 9 Example: ■ OfficeConnect Cable/DSL Router User Guide ■ Part Number DUA8589-1AAA01 ■ Page 24 Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer to Appendix E “Obtaining Support for your Product”. Related In addition to this guide, each Router document set includes one Documentation Installation Guide. This guide contains the instructions you need to install and configure your Router.
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10 ABOUT THIS GUIDE
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INTRODUCING THE ROUTER 1 ® Welcome to the world of networking with 3Com . In the modern business environment, communication and sharing information is crucial. Computer networks have proved to be one of the fastest modes of communication but, until recently, only large businesses could afford the networking advantage. OfficeConnect The OfficeConnect Cable/DSL Router is designed to provide a Cable/DSL Router cost-effective means of sharing a single broadband Internet connection amongst seve
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12 CHAPTER 1: INTRODUCING THE ROUTER Figure 1 Example Network Without a Router When you use the Router in your network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Router, or to an OfficeConnect Switch or Hub, expanding the number of computers you can have in your network. Figure 2 Example Network Using a Cable/DSL Router
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Router Advantages 13 Router Advantages The advantages of the Router include: ■ Shared Internet connection for wired computers. The Cable/DSL Router also provides shared internet connection ■ No need for a dedicated, “always on” computer serving as your Internet connection ■ Cross-platform operation for compatibility with Windows, Unix and Macintosh computers ■ Easy-to-use, Web-based setup and configuration ■ Provides centralization of all network address settings (DHCP) ■ Acts as a Virtual se
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14 CHAPTER 1: INTRODUCING THE ROUTER Minimum System Your Router requires that the computer(s) and components in your and Component network be configured with at least the following: Requirements ■ A computer with an operating system that supports TCP/IP networking protocols (for example Windows 95/98/NT/Me/2000/XP, Unix, Mac OS 8.5 or higher). ■ An Ethernet 10Mbps or 10/100 Mbps NIC for each computer to be connected to the four-port switch on your Router. ■ A cable or DSL broadband connectio
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Front Panel 15 In each of these cases, wait until the Router has completed the current operation and the alert LED is Off. Flashing slowly - The Router has completed the Reset to Factory Defaults process, and is waiting for you to reset the unit. To do this, remove power, wait 10 seconds and then re-apply power. The Router will then enter the start-up sequence and resume normal operation. If you have used a cable to reset the unit to Factory Defaults, refer to “Forgotten Password and Reset
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16 CHAPTER 1: INTRODUCING THE ROUTER Rear Panel The rear panel (Figure 4) of the Router contains four LAN ports, one Ethernet Cabler/DSL port, and a power adapter socket. Figure 4 Router - Rear Panel 5 867 5 Power Adapter Socket Only use the power adapter supplied with this Router. Do not use any other adapter. 6 Ethernet Cable/DSL port Use the supplied patch cable to connect the Router to the Ethernet port on your cable or DSL modem. The port will automatically adjust to the correct speed
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HARDWARE INSTALLATION 2 Introduction This chapter will guide you through a basic installation of the Router, including: ■ “Positioning the Router”. ■ “Connecting the Router”. Safety Information WARNING: Please read the “Safety Information” section in Appendix D before you start. VORSICHT: Bitte lesen Sie den Abschnitt “Wichtige Sicherheitshinweise” sorgfältig durch, bevor Sie das Gerät einschalten. AVERTISSEMENT: Veuillez lire attentivement la section “Consignes importantes de sécurité” avan
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18 CHAPTER 2: HARDWARE INSTALLATION ■ Water or moisture cannot enter the case of the unit. ■ Air flow around the unit and through the vents in the side of the case is not restricted. 3Com recommends you provide a minimum of 25 mm (1 in.) clearance. Using the Rubber Use the four self-adhesive rubber feet to prevent your Router from Feet moving around on your desk or when stacking with flat top units. Only stick the feet to the marked areas at each corner of the underside of your Router. Wall
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Connecting the Router 19 3 Ensure that your modem and computer are both switched on. 4 Use the supplied cable to connect the Router’s Ethernet Cable/DSL port to the modem. Check that the Cable/DSL Status LED lights. 5 Connect your computer to one of the 10/100 LAN ports on the Router. Check that the LAN Status LED for the port lights green. See Figure 5 for an example configuration. Figure 5 Connecting the Router Your existing Internet Cable/DSL Modem OfficeConnect Cable/DSL Router Off
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20 CHAPTER 2: HARDWARE INSTALLATION
