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®
OfficeConnect
ADSL Wireless 11g Firewall Router
User Guide
Model WL-542
3CRWDR100A-72
3CRWDR100B-72
3CRWDR100U-72
http://www.3com.com/
Part No. DUA100A-72AAA02
Published August 2005
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3Com Corporation Copyright © 2004, 2005, 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, 350 Campus Drive, transformation, or 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
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CONTENTS ABOUT THIS GUIDE Naming Convention 5 Conventions 6 Feedback About this User Guide 6 Related Documentation 7 1 INTRODUCING THE ROUTER OfficeConnect ADSL Wireless 11g Firewall Router 9 Router Advantages 11 Package Contents 11 Minimum System and Component Requirements 12 Front Panel 12 Rear Panel 13 2 INSTALLING THE ROUTER Introduction 15 Safety Information 15 Positioning the Router 15 Using the Rubber Feet 16 Powering Up the Router 16 Connecting the Router 16 3 SETTING UP YOUR COMPUTERS O
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4 RUNNING THE SETUP WIZARD Accessing the Setup Wizard 25 Setup Wizard - Connection Type 27 5 CONFIGURING THE ROUTER Navigating Through the Router Configuration Pages 35 Main Menu 35 Status Screen 35 Status 35 LAN Setup 36 LAN Settings 37 Wireless Settings 39 Configuring Wireless 39 Encryption 40 Internet Settings 46 Connection Type 46 DNS 55 Hostname & MAC 56 Firewall 57 Special Applications 58 Virtual Servers 59 Client IP Filters 60 MAC Address Filtering 65 DMZ 66 Advanced 68 Routing 70 DDNS 73
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Status 80 ADSL Status 80 ATM PVC Status 81 Logs 81 Support/Feedback 82 Support 82 Feedback 82 6 TROUBLESHOOTING Basic Connection Checks 83 Browsing to the Router Configuration Screens 83 Connecting to the Internet 84 Forgotten Password and Reset to Factory Defaults 84 Wireless Networking 85 Recovering from Corrupted Software 87 Frequently Asked Questions 88 A IP ADDRESSING The Internet Protocol Suite 89 Managing the Router over the Network 89 IP Addresses and Subnet Masks 89 How does a Device Ob
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C SAFETY INFORMATION D END USER SOFTWARE LICENSE AGREEMENT E OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 103 Purchase Value-Added Services 103 Troubleshoot Online 104 Access Software Downloads 104 Telephone Technical Support and Repair 104 Contact Us 105 GLOSSARY REGULATORY NOTICES INDEX
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ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect ADSL Wireless 11g Firewall Router (3CRWD100x-72). 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 ADSL 11g Wireless Router and contains information that differs from the information in this guide, follow the informat
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6 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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Related Documentation 7 Example: ■ OfficeConnect ADSL Wireless 11g Firewall Router User Guide ■ Part Number DUA100A-72AAA01 ■ Page 24 Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer to Appendix E. 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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8 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 ADSL The OfficeConnect ADSL Wireless 11g Firewall Router is designed to Wireless 11g provide a cost-effective means of sharing a single broadband Internet Firew
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10 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 Firewall Router
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Router Advantages 11 Router Advantages The advantages of the Router include: ■ Shared Internet connection for both wired and wireless computers ■ High speed 802.11g wireless networking ■ 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 server
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12 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 98/NT/Me/2000/XP, Unix, Mac OS 8.5 or higher). ■ An Ethernet 10 Mbps or 10/100 Mbps NIC for each computer to be connected to the four-port switch on your Router. ■ An 802.11b or 802.11g wireless NIC.
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Rear Panel 13 3Online LED Green If this LED is on, your username/password has been authenticated successfully with your ISP. 4 Wireless LAN (WLAN) Status LED Green If the LED is on it indicates that wireless networking is enabled. If the LED is flashing, the link is OK and data is being transmitted or received. If the LED is off, the Wireless LAN has been disabled in the Router, or there is a problem. Refer to Chapter 6 “Troubleshooting”. 5 LAN Status LEDs Green If the LED is on, the link b
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14 CHAPTER 1: INTRODUCING THE ROUTER 7ADSL Port Using the RJ11 cable provided, you should connect your Router to the telephone socket via a splitter. 8 Power Adapter Socket Only use the power adapter that is supplied with this Router. Do not use any other adapter. 9 Reset Button If you want to reset your Router to factory default settings, and cannot access the web management interface (for example, due to a lost password), then you may use this button. Refer to “Forgotten Password and Rese
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INSTALLING THE ROUTER 2 Introduction This chapter will guide you through a basic installation of the Router, including: ■ Connecting the Router to the Internet. ■ Connecting the Router to your network. ■ Setting up your computers for networking with the Router. Safety Information Please note the following: WARNING: Please read the “Safety Information” section in Appendix C before you start. VORSICHT: Bitte lesen Sie den Abschnitt “Wichtige Sicherheitshinweise” sorgfältig durch, bevor Sie das
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16 CHAPTER 2: INSTALLING THE ROUTER When positioning your Router, ensure: ■ It is out of direct sunlight and away from sources of heat. ■ Cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers. ■ 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.) clea
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Connecting the Router 17 Figure 5 Connecting the Router Power Supply Unit 3Com OfficeConnect Telephone ADSL Wireless 11g Firewall Router Socket Splitter/ Microfilter Block Your PC Wireless Users 1 Run the provided telephone cable from the wall jack providing ADSL service to the ADSL port on your ADSL Router. When inserting an ADSL RJ-11 plug, be sure the tab on the plug clicks into position to ensure that it is properly seated. If you are using splitterless ADSL service, add low-pass
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18 CHAPTER 2: INSTALLING THE ROUTER Figure 6 Installing with a splitter
