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dua08 569-5aaa02.bo o k Pag e 2 T hursday , No vem ber 7 , 2002 3: 09 PM Intel and Pentium are registered trademarks of Intel Corporation. Microsoft, MS-DOS, 3Com Corporation Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and 5400 Bayfront Plaza NetWare are registered trademarks of Novell, Inc. UNIX is a registered trademark in the Santa Clara, California 95052-8145 United States and other countries, licensed exclusively through X/Open Company, Ltd. Net
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dua08 569-5aaa02.bo o k Pag e 3 T hursday , No vem ber 7 , 2002 3: 09 PM CONTENTS Contents 3 Setting Up Your Computers 19 Obtaining an IP Address Automatically 19 About This Guide 7 Windows 2000, XP 19 Naming Convention 7 Windows 95, 98, ME 20 Conventions 7 Macintosh OS 8.5, 9.x 20 Disabling PPPoE and PPTP Client Software 20 Introducing the OfficeConnect Cable/DSL Secure Gateway 9 OfficeConnect Cable/DSL Secure Gateway 9 Running the Setup Wizard 23 Cable/DSL Secure Gateway Advantages 10 Acces
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dua08 569-5aaa02.bo o k Pag e 4 T hursday , No vem ber 7 , 2002 3: 09 PM LAN Settings 35 Forgotten Password 68 LAN IP Settings 35 Alert LED 69 DHCP Clients List 37 Recovering from Corrupted Software 69 Internet Settings 38 Frequently Asked Questions 70 Connection to ISP 39 Using Discovery 71 Setting up NAT 43 Running the Discovery Application 71 Configuring the Firewall 45 Windows Installation (95/98/2000/Me/NT) 71 The Virtual Servers Menu 45 PC Privileges 47 IP Addressing 73 Special Applicat
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dua08 569-5aaa02.bo o k Pag e 5 T hursday , No vem ber 7 , 2002 3: 09 PM Cable Specifications 78 Safety Information 79 Important Safety Information 79 Wichtige Sicherheitshinweise 79 Consignes importantes de sécurité 80 End User Software Licence Agreement 83 3Com Corporation END USER SOFTWARE LICENSE AGREEMENT 83 ISP Information 85 Information Regarding Popular ISPs 85 Glossary 87 Index 93 Regulatory Notices 99 5
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dua08 569-5aaa02.bo o k Pag e 7 T hursday , No vem ber 7 , 2002 3: 09 PM ABOUT THIS GUIDE This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a Conventions basic working knowledge of LANs (Local Area Networks) and Table 1 and Table 2 list conventions that are used throughout this Internet gateway systems. guide. If a release note is shipped with this OfficeConnect Cable/DSL Table 1 Notice Icons Secure Gateway and
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■ ■ ■ ■ ■ ■ ■ ■ ■ dua08 569-5aaa02.bo o k Pag e 8 T hursday , No vem ber 7 , 2002 3: 09 PM Table 2 Text Conventions (continued) Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer Convention Description to the Support and Safety Information sheet. Words in italics Italics are used to: Emphasize a point. Denote a new term at the place where it is defined Related Documentation in the text. Identify menu names, men
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dua08 569-5aaa02.bo o k Pag e 9 T hursday , No vem ber 7 , 2002 3: 09 PM INTRODUCING THE OFFICECONNECT CABLE/DSL SECURE GATEWAY ® Figure 1 Example Network Without a Cable/DSL Secure Gateway 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 Internet of the fastest modes of communication but, until recently, only Cable/DSL Modem large businesses could afford the netwo
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■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ dua08 569-5aaa02.bo o k Pag e 10 T hursday , No vem ber 7 , 2002 3: 09 PM Figure 2 Example Network Using a Cable/DSL Secure Gateway Cable/DSL Secure Gateway Advantages The advantages of using a Gateway include: Your existing Internet Cable/DSL Shared Internet connection. Modem 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-ba
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■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ dua08 569-5aaa02.bo o k Pag e 11 T hursday , No vem ber 7 , 2002 3: 09 PM Package Contents Minimum System and Component Requirements The OfficeConnect Cable/DSL Secure Gateway kit includes the Your OfficeConnect Cable/DSL Secure Gateway requires that the following items: computer(s) and components in your network be configured with at least the following: One OfficeConnect Cable/DSL Secure Gateway A computer with an operating system that supports TCP/
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■ ■ ■ dua08 569-5aaa02.bo o k Pag e 12 T hursday , No vem ber 7 , 2002 3: 09 PM normal operation. See “Recovering from Corrupted Software” on page 69. Front Panel The front panel of the Gateway contains a series of indicator On for 2 seconds, and then off The Gateway has lights (LEDs) that help describe the state of various networking detected and prevented a hacker from attacking your network and connection operations. from the Internet. Figure 3 Cable/DSL Secure Gateway - Front Pane
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■ ■ ■ ■ ■ dua08 569-5aaa02.bo o k Pag e 13 T hursday , No vem ber 7 , 2002 3: 09 PM the connected device is switched off Rear Panel there is a problem with the connection. “Troubleshooting” on page 67. The rear panel (Figure 4) of the Gateway contains four LAN ports, one Ethernet Cable/DSL port, and a power adapter socket. 4 Cable/DSL Status LED Figure 4 Cable/DSL Secure Gateway - Rear Panel Green (100 Mbps link) / Yellow (10 Mbps link) 5 67 Indicates a number of different conditions, as
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■ ■ ■ ■ ■ ■ ■ ■ ■ dua08 569-5aaa02.bo o k Pag e 15 T hursday , No vem ber 7 , 2002 3: 09 PM INSTALLING THE GATEWAY When positioning your Gateway, ensure: Introduction It is out of direct sunlight and away from sources of heat. This chapter will guide you through a basic installation of the Cabling is away from power lines, fluorescent lighting fixtures, OfficeConnect Cable/DSL Secure Gateway, including: and sources of electrical noise such as radios, transmitters and Connecting the Gateway
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dua08 569-5aaa02.bo o k Pag e 16 T hursday , No vem ber 7 , 2002 3: 09 PM PPPoE DHCP If your ISP allocates IP information dynamically using DHCP they If your ISP allocates IP information dynamically over PPPoE, you may require you to use keep a fixed MAC Address and Host need a User Name and Password: Name for security purposes. PPPoE User Name: ____________________ MAC Address: ____________________ PPPoE Password: ____________________ Host Name: ____________________ PPPoE Service Name: __
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dua08 569-5aaa02.bo o k Pag e 17 T hursday , No vem ber 7 , 2002 3: 09 PM To use your Cable/DSL Secure Gateway to connect to the Internet through an external cable or DSL modem (Figure 5): Powering Up the Gateway 1 Plug the power adapter into the power adapter socket located 1 Use the supplied cable to connect the Gateway's Ethernet on the back panel of the Gateway (refer to “Power Adapter Cable/DSL port to your Cable/DSL modem. Ensure that your socket” on page 13). modem is connected to
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dua08 569-5aaa02.bo o k Pag e 19 T hursday , No vem ber 7 , 2002 3: 09 PM SETTING UP YOUR COMPUTERS The OfficeConnect Cable/DSL Secure Gateway has the ability to 5 A screen similar to Figure 6 should be displayed. Select Internet dynamically allocate network addresses to the computers on your Protocol (TCP/IP) and click on Properties. network, using DHCP. However, your computers need to be Figure 6 Local Area Connection Properties configured correctly for this to take place. To change the
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dua08 569-5aaa02.bo o k Pag e 20 T hursday , No vem ber 7 , 2002 3: 09 PM Figure 7 Internet Protocol Properties 3 In the TCP/IP control panel, set Configure: to “Using DHCP Server.” 4 Close the TCP/IP dialog box, and save your changes. 5 Restart your computer. Disabling PPPoE and PPTP Client Software If you have PPPoE or PPTP client software installed on your computer, you will need to disable it. To do this: 1 From the Windows Start menu, select Settings > Control Panel. 2 Double click o
