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Wireless 11n ADSL Firewall Router
User Guide
WL-603
3CRWDR300A-73
3CRWDR300B-73
http://www.3Com.com/
Part No. 10016794 Rev AA
Published July 2008
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3Com Corporation Copyright © 2004, 2005, 2006, 2007, 2008, 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 350 Campus Drive, translation, 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
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CONTENTS ABOUT THIS GUIDE Naming Convention 7 Conventions 8 Feedback About This User Guide 9 Related Documentation 9 INTRODUCING THE ROUTER Wireless 11n ADSL Firewall Router 11 Router Advantages 14 Package Contents 14 Minimum System and Component Requirements 15 Physical Features 15 INSTALLING THE ROUTER Introduction 21 Safety Information 21 Positioning the Router 21 Using the Rubber Feet 22 Wall Mounting 22 Mounting Instructions for Cement Walls 22 Mounting Instructions for Wood Walls 23 Power
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Windows Vista 29 Windows XP 30 Macintosh 30 Disabling PPPoE and PPTP Client Software 31 Disabling Web Proxy 31 RUNNING THE SETUP WIZARD Accessing the Router using the 3Com Detect Application 33 Running the 3Com Detect Application 33 Accessing the Setup Wizard 35 Wizard - Change Password 38 Wizard - Time and Time Zone 39 Wizard - Connection Type 40 Wizard - LAN Settings 46 Wizard - Wireless Setting 47 Wizard - Configuration Summary 52 CONFIGURING THE ROUTER Navigating through the Router Configura
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DNS 88 Clone MAC address 89 Firewall 90 SPI 90 Special Applications 94 Virtual Servers 95 DMZ 96 PC Privileges 97 Schedule Rule 99 URL Filter 100 Advanced 101 Security 101 VLAN 104 Static Routes 106 RIP 108 DDNS 110 SNMP 111 Syslog 112 Proxy ARP 113 QoS Settings 114 Traffic Mapping 115 VPN 117 System Tools 124 Restart Router 124 Configuration 124 Upgrade 125 Time Zone 126 Ping 127 Traceroute 128 DNS Lookup 129 Diagnostic 129 Status and Logs 130 Status 130 ADSL Status 131 ATM PVC Status 131 Routi
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Support/Feedback 134 Support 134 Feedback 134 TROUBLESHOOTING Basic Connection Checks 135 Browsing to the Router Configuration Screens 136 Connecting to the Internet 136 Forgotten Password and Reset to Factory Defaults 138 Wireless Networking 139 Recovering from Corrupted Software 140 Power Adapter 141 Frequently Asked Questions 143 IP ADDRESSING The Internet Protocol Suite 145 Managing the Router over the Network 145 IP Addresses and Subnet Masks 145 How does a Device Obtain an IP Address and S
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SAFETY INFORMATION END USER SOFTWARE LICENSE AGREEMENT OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 160 Solve Problems Online 160 Purchase Extended Warranty and Professional Services 160 Access Software Downloads 161 Contact Us 161 Telephone Technical Support and Repair 161 GLOSSARY REGULATORY NOTICES INDEX
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ABOUT THIS GUIDE This guide describes how to install and configure the 3Com Wireless 11n ADSL Firewall Router (3CRWDR300A-73, 3CRWDR300B-73). 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. This manual covers both Annex A (ADSL over POTS) and Annex B (ADSL over ISDN) Routers. The only difference is they style of ADSL connector and type o
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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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Feedback About This User Guide 9 Feedback About Your suggestions are very important to us. They will help make our This User Guide documentation more useful to you. Please e-mail comments about this document to 3Com at: pddtechpubs_comments@3com.com Please include the following information when commenting: ■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: ■ 3Com Wireless 11n ADSL Firewall Router User Guide ■ Part Number 10016794 Rev. AA ■ Page
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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. Wireless 11n ADSL The 3Com Wireless 11n ADSL Firewall Router is designed to provide a Firewall Router cost-effective means of sharing a single broadband Internet connection a
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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 and Figure 3), 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 (with splitter)
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Wireless 11n ADSL Firewall Router 13 Figure 3 Example Network Using a Firewall Router (without splitter)
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14 CHAPTER 1: INTRODUCING THE ROUTER Router Advantages The advantages of the Router include: ■ Shared Internet connection for both wired and wireless computers ■ High speed 802.11n 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
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Minimum System and Component Requirements 15 Minimum System Your Router requires that the computer(s) and components in your and Component network be configured with the following: Requirements ■ A computer with an operating system that supports TCP/IP networking protocols (for example Windows 2000/XP,/Vista, Unix, Mac OS 8.5 or higher). ■ An Ethernet 10 Mbps or 10/100 Mbps or 10/100/1000 Mbps NIC for each computer to be connected to the LAN port on your Router. ■ An 802.11b, 802.11g or 802.
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16 CHAPTER 1: INTRODUCING THE ROUTER 1 Power LED (Illuminated Logo) White The 3Com logo serves as power OK indicator. This LED will light if the router is receiving power from the power adapter. If it is not lit check the power adapter connections. Refer to Chapter 6 Troubleshooting. 2 Alert LED Amber Fast flash during self test. If self test fails the LED will remain on. Fast flash during software upgrade. Fast flash for software reset to the factory defaults. Fast flash for hardware reset t
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Physical Features 17 7 WPS LED Blue WiFi Protected Setup (WPS) is a standard for easy and secure establishment of a wireless network, allowing wireless clients to connect securely to routers and access points. The WPS LED shows the status of the WPS function. It has a number of modes to help monitor the status of clients connecting to the Router using the WPS protocol. The status is shown by three different flashing rates: slow, medium and quick and when light constantly. Note: The WPS fu
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18 CHAPTER 1: INTRODUCING THE ROUTER The rear panel (Figure 5) of the Router contains one ADSL port, four LAN ports, one WiFi on/off button, a reset button, one power adapter socket, and one WPS button. Figure 5 Router - Rear Panel 1 Wireless Antennae The antennaes should be placed in a ‘V’ position when initially installed. CAUTION: Do not force the antennae beyond their mechanical stops. Rotating the antennae further may cause damage. 2ADSL Port RJ-11 port (3CRWDR300A-73)/ RJ-45 port (3C
