Home Ethernet Gateway User Guide Version 1.0 http://www.3com.com/ http://www.3com.com/productreg Part No.
3Com Corporation ■ 5400 Bayfront Plaza ■ Santa Clara, California 95052-8145 ■ U.S.A. ■ Copyright © 2000 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 adaptation) without written permission from 3Com Corporation.
CONTENTS 1 WELCOME TO HOME NETWORKING Home Ethernet Gateway Kit Contents 2 Using This Guide 2 2 1 HARDWARE INSTALLATION Panel Layout 3 Front Panel 3 Rear Panel 3 Top Panel 4 Left Side Panel 4 Installation Requirements 4 Hardware Installation 5 Computer Connection 5 Modem Connection 5 Printer Connection 6 Power 6 3 NETWORK SETTINGS Network Settings 7 TCP/IP Settings with Internet Sharing TCP/IP Protocol Installation 8 Ping Command 8 4 INTERNET SHARING SETUP Setup Program 9 Administrator Mode 10 Menu
5 PRINT SERVER Software Installation 20 Configuring Printer Properties 20 Windows 98 and 95 20 Windows NT 21 Configuring on UNIX-based Platforms A 21 CONSOLE MODE GLOSSARY INDEX 3COM CORPORATION LIMITED WARRANTY 3COM END USER SOFTWARE LICENSE AGREEMENT
1 WELCOME TO HOME NETWORKING In today’s fast-paced world, communication and sharing information are crucial. Computer networks are among the fastest ways to share information, and 3Com has brought this exciting technology into the home with the our home networking product line. The home networking products from 3Com give the home user the same power, flexibility, and protection that has been available only to large corporations.
2 CHAPTER 1: WELCOME TO HOME NETWORKING ■ Firewall All unwanted packets from outside intruders are blocked to protect your home network. ■ DHCP server All of the networked computers can retrieve TCP/IP settings automatically from the gateway. ■ Web-based configuration The gateway is configurable through any Web browser using Netscape Communicator or Internet Explorer. ■ Access control Different access rights can be assigned to different computers on your home network.
HARDWARE INSTALLATION 2 This chapter describes the panel layout of the Home Network Gateway, as well as detailing the hardware installation procedure. Panel Layout Front Panel The front panel of the gateway contains 4 Ethernet ports. 1 Ports 1 - 4 Rear Panel 2 3 4 These ports function as your Ethernet switch. After you connect the devices to these ports, (including computers, hubs, etc.), they can be networked together, and you can share files between the computers on your home network.
4 CHAPTER 2: HARDWARE INSTALLATION Top Panel The top panel of the gateway contains 6 LEDs. 1 2 3 4 M CO WA N INT PR l Ethernet Ports (1-4) The Ethernet port LEDs (green) will flicker when the corresponding port is sending or receiving data. WAN (globe icon) The WAN port LED (green) will flicker when the WAN port is sending or receiving data. Status (checkmark icon) The Status LED will flash once per second to indicate that the gateway is functioning correctly.
Hardware Installation Hardware Installation Computer Connection 5 This section details the cable connection procedures for the Home Ethernet Gateway. To create your home network, connect an Ethernet cable from the Ethernet port of your computers to one of the Ethernet ports of the gateway, as shown in the figure, below. All networked computers must have Ethernet networking capabilities to connect to the gateway.
6 CHAPTER 2: HARDWARE INSTALLATION Analog or ISDN Modem Connection To connect an analog or ISDN modem to the gateway, use a COM cable to connect the COM port of the gateway to your modem, as shown in the figure below. See your analog or ISDN modem documentation for more details.
3 NETWORK SETTINGS This chapter explains how to configure the network settings of the computers on your home network running Windows 95, 98, and NT 4.0, and Macintosh operating systems. Network Settings TCP/IP Settings with Internet Sharing The default IP address of this product is 192.168.2.1, and the default subnet mask IP address is 255.255.255.0. These addresses can be changed, but these default values are used throughout this manual.
8 CHAPTER 3: NETWORK SETTINGS TCP/IP Protocol Installation This section describes how to install the TCP/IP protocol in computers running Windows 95 and 98. 1 Click Start and choose Settings, and then Control Panel. 2 Double-click the Network icon and select Configuration. 3 Select Add to add the network component. 4 Double-click Protocol to add the TCP/IP protocol. 5 Select Microsoft from the manufacturer’s list. Select TCP/IP from Network Protocols. Click OK to return to the Network window.
4 INTERNET SHARING SETUP Internet sharing allows you to share a single Internet connection among all of the computers on your home network. You can configure your home network for Internet sharing by using the Internet sharing setup program provided with the Home Network Gateway. The Internet sharing setup program is Web-based, which means that it is accessed through your Web browser (usually Internet Explorer or Netscape Navigator) running on your Windows, Macintosh, or UNIX computer.
10 CHAPTER 4: INTERNET SHARING SETUP On the left side of the screen is a menu, containing three items: Setup, Status, and Support. Selecting Setup guides you to Administrator Mode (see below). Selecting Status generates the System Status screen. Selecting Support generates the Support Links screen, which contains a list of Internet links that provide information and support concerning the gateway.
Setup Program 11 Dynamic IP Address Activating the Dynamic IP Address radio button and then clicking SAVE & NEXT in the Choose Internet Connection Configuration screen will generate the Primary Setup screen for Dynamic IP Address setup. To setup the gateway for use with a dynamic IP address connection: 1 Enter your primary and secondary DNS addresses. Your ISP should provide your primary and (optional) secondary DNS addresses. Enter the addresses in the appropriate text boxes.
12 CHAPTER 4: INTERNET SHARING SETUP Static IP Address Activating the Static IP Address radio button and then clicking SAVE & NEXT in the Choose Internet Connection Configuration screen will generate the Primary Setup screen for Static IP Address setup. To setup the gateway for use with a static IP address connection, use the following procedure: 1 Enter your IP Address in the IP Address text box.
Setup Program 13 To setup the gateway for use with a PPP over Ethernet connection, use the following procedure: 1 Enter your PPP over Ethernet user name in the PPPoE User Name text box. 2 Enter your PPP over Ethernet password in the PPPoE Password text box. If you don’t want to change the password, leave this text box empty. 3 Enter your PPP over Ethernet service name in the PPoE Service Name text box. This is optional. Not all ISPs require a PPPoE service name.
14 CHAPTER 4: INTERNET SHARING SETUP 7 Choose a value from the Maximum Serial Port Speed list box. This value should correspond to the highest possible data transfer speed of your analog or ISDN modem. See your modem documentation for more details. 8 Extra Settings Leave the Extra Settings text box blank. This feature is for future upgrades only.
Setup Program Special Access 15 Select Special Access to generate the Special Access screen. Some applications, such as Internet telephony, Internet gaming, and video conferencing require multiple connections, which the gateway does not allow during normal operation. However, by configuring the gateway in the Special Access screen, you can access these applications. To configure special access: 1 Enter a value in the Trigger and Incoming Ports text boxes.
16 CHAPTER 4: INTERNET SHARING SETUP Client Privileges Select CLIENT PRIVILEGES to generate the Client Privileges screen. Client Privileges allows you to assign different access rights for different computers on your home network. To use access control: 1 Click in the Enable check box. 2 Assign the computer to a group. Computers are identified by their IP addresses. You can assign computers to Group 1, 2, or 3. Computers not assigned to Groups 1, 2, or 3 are automatically assigned to the Default Group.
Setup Program Administration Tools 17 Selecting Administration Tools generates the Administration Tools screen. Change Password You can change the password from the Administration Tools screen. Enter your old password in the Old Password text box, and then enter the new password in the New Password and Reconfirm text boxes. Click OK. We strongly recommended that you to change the system password the first time you enter administrator mode.
18 CHAPTER 4: INTERNET SHARING SETUP 3 Enter the location of the previously downloaded file in the text box, or click Browse to search for the file. 4 After the file has been located, click Upgrade. The firmware of the gateway will be upgraded. Make sure that you do not power down the gateway during the upgrade procedure. If this occurs, you will have to restore the settings of the gateway to factory defaults (see above), and then reenter all of your settings.
Setup Program 19 Remote Administrator Host In general, only a user on your home network can use the setup program of the gateway. The remote administrator host feature enables you to perform administration tasks from a remote host, that is, a computer not a part of your home network. To activate the remote administrator host feature, enter the IP address of the remote host in the Remote Administrator Host text box. If the IP address entered is 0.0.0.
5 PRINT SERVER The Home Network Gateway also can function as a network print server for computers running Windows 95, 98, and NT 4.0, and UNIX based platforms. Using the gateway as a print server allows you to share the printer connected to the gateway among all of the computers on your home network. Software Installation Before using the print server function, you must install the software on one of the computers of your home network.
Configuring on UNIX-based Platforms 21 Windows NT 1 From the Start menu, select Settings, and then Printers. 2 Locate the icon that corresponds to the printer connected to the gateway. Right-click the icon, and then select Properties. 3 Select Ports, and then select PRTmate: (All-in-1) from the Print To the following port: list. Be sure that the printer driver is the correct driver for your the printer. 4 Click Configure Port. Enter the IP address of the gateway and then click OK.
A CONSOLE MODE If you forget the system password or the IP address of the Home Network Gateway, you can enter console mode to reset them. 1 Use a null modem cable to connect from the COM port on the gateway to the COM port of the computer. 2 Launch a terminal program, such as HyperTerminal. 3 Set the connection parameters to 19200 8-N-1. 4 Reboot the gateway. When the Status LED starts flashing, click Enter on the keyboard several times.
GLOSSARY Analog modem Analog modem uses existing phone lines to send and receive data. DHCP Dynamic Host Configuration Protocol. This protocol automatically configures the TCP/IP settings of every computer on your home network. DNS Server Address DNS stands for Domain Name System, which allows Internet host computers to have a domain name (such as 3com.com) and one or more IP addresses (such as 192.34.45.8).
24 GLOSSARY PPPoE Point-to-Point Protocol over Ethernet. Point-to-Point Protocol is a method of secure data transmission originally created for dial-up connections; PPPoE is for Ethernet connections. subnet mask A subnet mask, which may be a part of the TCP/IP information provided by your ISP, is a set of four numbers configured like an IP address.
INDEX A I S access control 16 access rights 16 Administrator Mode 10 Adminstration Tools 17 analog modem 23 idle time 13 Internet Service Provider 23 IP address 23 default 7 ISP.
3Com Corporation LIMITED WARRANTY This warranty applies to Customers located in the United States, Australia, Canada (except Quebec), Ireland, New Zealand, U.K, and other English language countries, and countries for which a translation into the local language is not provided.
INCLUDED SERVICES Telephone Support, with coverage for basic troubleshooting only, will be provided for ninety (90) days from the date of purchase, on a commercially reasonable efforts basis. Telephone support is available from 3Com only if Customer purchased this product directly from 3Com, or if Customer’s reseller is unable to provide telephone support. Please refer to the Technical Support appendix in the User Guide for telephone numbers.
The user may find the following booklet prepared by the Federal Communications Commission helpful: The Interference Handbook This booklet is available from the U.S. Government Printing Office, Washington, D.C. 20402. Stock No. 004-000-00345-4. Tested to comply with the FCC Standards for home and office use. NOTE: In order to maintain compliance with the limits of a Class B digital device, 3Com requires that you use quality interface cables when connecting to this device.
3COM END USER SOFTWARE LICENSE AGREEMENT IMPORTANT: Read Before Using This Product YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE INSTALLING AND USING, THE USE OF WHICH IS LICENSED BY 3COM CORPORATION (“3COM”) TO ITS CUSTOMERS FOR THEIR USE ONLY AS SET FORTH BELOW. INSTALLING OR USING ANY PART OF THE SOFTWARE INDICATES THAT YOU ACCEPT THESE TERMS AND CONDITIONS. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT, DO NOT INSTALL OR USE THE SOFTWARE.
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