Summary of the content on the page No. 1
OfficeConnect ADSL Wireless 11g
Firewall Router
User Guide
3CRWE754G72-A
3CRWE754G72-B
WL-540A
WL-540B
http://www.3com.com/
Part No. DUA-0075-4AAA01
Rev. 01
Published January 2004
Summary of the content on the page No. 2
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
Summary of the content on the page No. 3
CONTENTS ABOUT THIS GUIDE Naming Convention 7 Conventions 8 Feedback about this User Guide 8 Related Documentation 9 1 INTRODUCING THE ROUTER OfficeConnect ADSL Wireless11g Firewall Router 11 Router Advantages 13 Package Contents 13 Minimum System and Component Requirements 14 Front Panel 14 Rear Panel 15 2 HARDWARE INSTALLATION Introduction 17 Safety Information 17 Positioning the Router 17 Using the Rubber Feet 18 Powering Up the Router 18 Connecting the Router 18 3 SETTING UP YOUR COMPUTERS O
Summary of the content on the page No. 4
4 RUNNING THE SETUP WIZARD Accessing the Wizard 27 29 DSL Settings 29 Summary 33 5 ROUTER CONFIGURATION Navigating Through the Router Configuration Pages 35 Main Menu 35 Status Screen 35 Status 36 LAN Setup 36 LAN Settings 37 DHCP Clients List 38 Wireless 39 Configuring Wireless 39 Encryption 40 Disabled 41 WPA-PSK (no server) 41 128-bit WEP 42 64-bit WEP 42 WPA (with RADIUS Server) 43 Internet Settings 44 Connection Type 44 PPPoE 45 PPPoA 46 Bridged Mode for Single PC 47 Routing Mode over ATM 4
Summary of the content on the page No. 5
Access Control 54 URL Blocking 56 Schedule Rule 57 MAC Address Filtering 59 DMZ 60 Advanced 60 SNMP 63 SNMP Community 63 SNMP Trap 64 System Tools 65 Restart Router 65 Reset to Factory Default 65 Backup/Restore Settings 66 Upgrade 66 Admin Password 67 Time and Time Zone 68 Status and Logs 69 ADSL Status 69 Logs 69 6 TROUBLESHOOTING Basic Connection Checks 71 Browsing to the Router Configuration Screens 71 Connecting to the Internet 72 Forgotten Password and Reset to Factory Defaults 72 Wireless
Summary of the content on the page No. 6
B TECHNICAL SPECIFICATIONS OfficeConnect ADSL Wireless 11g Firewall Router 81 Standards 82 C SAFETY INFORMATION D END USER SOFTWARE LICENSE AGREEMENT D OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product to Gain Service Benefits 91 Purchase Value-Added Services 91 Troubleshoot Online 91 Access Software Downloads 92 Contact Us 92 Telephone Technical Support and Repair 92 GLOSSARY INDEX REGULATORY NOTICES FOR THE OFFICECONNECT ADSL WIRELESS 11G FIREWALL ROUTER
Summary of the content on the page No. 7
ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect ADSL Wireless 11g Firewall Router (3CRWE754G72-A/B). 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 info
Summary of the content on the page No. 8
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
Summary of the content on the page No. 9
Conventions 9 Example: ■ OfficeConnect ADSL Wireless 11g Firewall Router User Guide ■ Part Number DUA0075-4AAA01 ■ Page 24 Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer to the Support and Safety Information sheet. 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.
Summary of the content on the page No. 10
10 ABOUT THIS GUIDE
Summary of the content on the page No. 11
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 Wireless11g Firewall Router is designed to Wireless11g provide a cost-effective means of sharing a single broadband Internet Firewal
Summary of the content on the page No. 12
12 CHAPTER 1: INTRODUCING THE ROUTER Figure 1 Example Network Without a Gateway 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 Wireless DSL Router
Summary of the content on the page No. 13
Router Advantages 13 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
Summary of the content on the page No. 14
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. ■ An 802.11b or 802.11g wireless NIC
Summary of the content on the page No. 15
Rear Panel 15 If this LED illuminates successful Username/Password has been authenticated 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 Four LAN Status LEDs Green (100Mbps link / 10Mbps link) If the LED is
Summary of the content on the page No. 16
16 CHAPTER 1: INTRODUCING THE ROUTER example, a hub or a switch). These ports have an automatic MDI/MDIX feature, which means either straight-through or a crossover cable can be used. 8 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 Reset to Factory Defaults” on page 72 for further details. 9 Power Adapter Socket Onl
Summary of the content on the page No. 17
HARDWARE INSTALLATION 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 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 Gerät einschalten. AVERTISS
Summary of the content on the page No. 18
18 CHAPTER 2: HARDWARE INSTALLATION 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
Summary of the content on the page No. 19
Connecting the Router 19 Figure 5 Connecting the Gateway Power Supply Unit ADSL 11g Wireless Router Wireless Users Your PC 3 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 filters between the ADSL wall jack and your telephones. (These filters p
Summary of the content on the page No. 20
20 CHAPTER 2: HARDWARE INSTALLATION Figure 6 Installing with a splitter or If you are using a splitterless (G.lite) connection, then your service provider will attach the outside ADSL line directly to your phone system.In this case you can connect your phones and computer directly to the incoming ADSL line, but you will have to add low-pass filters to your ): phones as shown below (Figure 7
