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3Com Dual 56K manual Appendix a Networking Primer

Models: Dual 56K

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146APPENDIX A: NETWORKING PRIMER

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3Com Dual 56K manual Appendix a Networking Primer

Contents

Dual 56K LAN Modem Santa Clara, California 3Com CorporationBayfront Plaza 95052-8145 Wichtige Sicherheits-Informatio nen Important Safety InformationImportant Safety Information Important Notice de Securite Medidas de Seguridad Importantes Additional Safety Information Informazioni Importanti per la Sicurezza If the unit shows signs of a distinct change in performance Table of Contents Installing the Dual 56K LAN Modem Networking Primer Page Shows you where to ﬁnd speciﬁc information in this guide About this Guide Icon Alerts you to ConventionsList conventions that are used throughout this guide Convention Description Introduction Introduction Applications Local Networking with Local Networking and Dial-out Access with Dial-in Support Internet and a Private Network Description Color Description Front Panel LED Indicator Deﬁnitions Features Remote Management Error Control and Data CompressionBandwidth Management Protocols Warranty UpgradeabilityDiagnostics Modulation Schemes UAL 56K LAN M Odem 56K Modems Using the ModemWan Side The Two Channels Using the Modem Channels 192 Simultaneous Dial-in and Dial-out Connections Locations two different locations, as shown in Figure Possible, as shown in Figure Other Line Usage UnderstandingMultilink PPP Options Through an RS-232 serial COM port 56K LAN Modem’s Manual Call Control VPNs Support for VirtualPrivate Networks Dual 56K LAN Modem Functionality Description Before You Begin Package ContentsBefore YOU Begin Before YOU Begin TCP/IP Dialog Box for Macintosh Computers Click Add Select Network Component Type dialog box appears Select Protocol and then click Add You may need your Windows NT 4.0 installation CD-ROM Select Network Protocol dialog box appears Select the Protocols tab, as shown in Figure Select TCP/IP Protocol, and then click OK Following message appears Dhcp Message Box Click Properties Click InstallDouble click Local Area Connection Select Internet Protocol TCP/IP and then click Add Static IP Address Setting Up YourComputer If You Have Set Up Steps for Statically Conﬁgured Workstation For Windows 95 and 98 Users For Windows 2000 Users From the Start menu, select Settings and then Control PanelClick OK From the Apple menu, select Control Panels, and then TCP/IP For Windows NT 4.0 UsersFor Macintosh Users Installing the Dual 56K LAN Modem Installation You may need to use a country-speciﬁc phone adapter optional Pass-through Phone ports Power Cable Connection Installing the Dual 56K LAN Modem Configuring the Dual 56K LAN Modem for Internet Access Main Steps for Typical Conﬁguration Welcome message appears, as shown in Figure Initial Conﬁguration Welcome Window Set Password Window Click Continue ISP Wizard appears Click Continue Changing the LAN Modem IP Address for Static IP Users LAN Modem Support Web Site LAN Modem Main Configuration Links From the Illustration You may wish to bookmark this page for easy future access Providers Connecting an External Hub to the Dual 56K LAN Modem 10-User Shared WAN Connection Using an 8-Port Ethernet Hub 10BASE-T Hub-to-LAN Modem Connection Configuring the Dual 56K LAN Modem for Internet Access Displayed on your computer Before You StartConﬁguration Click Continue If do not wish to enter a Password, leave the ﬁelds empty Page Service Provider Selection Window Private Network Parameters Window IP Address and Subnet mask ﬁelds are mandatory Under Miscellaneous, make the following selectionsPage Setting Up Additional Service Provider Proﬁles Dual 56K LAN Modem Main Conﬁguration Providers Support Web Site Connecting an External Hub to the Dual 56K LAN ModemLAN Modem Modem as they become available Advanced Conﬁguration Advanced ConfigurationAdditional Service Conﬁguring Advanced Configuration Internet Service Provider Parameters window appears Advanced Configuration Click Submit Provider Proﬁles Editing ServiceAssociating Service Providers with Using a Connection Script Connection Script Command Syntax Click Transmit ButtonsClick Set Port Additional Conﬁguration Buttons Connection Script Example Ethernet Parameters window is shown in Figure Conﬁguring LANParameters Parameters Name Local Domain Name Enable Dhcp ServerNetBIOS Filtering Parameters Modem Control Modem Control Parameter Description Controls Data Call Parameters Window Timeout Values Bandwidth on Demand Parameters Outgoing Call Control Call Parameters Advanced Configuration Addresses PasswordReserving Dhcp Changing Your Advanced Configuration Conﬁguring the LAN Modem from a Remote Location Using SelectivePassword Protection Administration Password Conﬁguring the LAN Modem Remotely via Another LAN Modem Double-clickMake New Connection Click TCP/IP SettingsAnalog Modem Click Check for Upgrades Server-side LAN Modem and a client-side device Configuring the Dual 56K LAN Modem for DIAL-IN SupportBasics Adapter or an Isdn LAN Modem Configuring the Dual 56K LAN Modem for DIAL-IN Support Single User Dial-in from an Analog Modem LAN Modem Site-to-Site Dial-in Proﬁle Type Click Dial-in User Before You Start the Conﬁguration Click Dial-in Global Dial-In Global Parameters window opens, as shown in FigurePage Dial-in Wizard for Single User Dial-in Dial-In Wizard Proﬁle Type Selection Window Dial-In Wizard Password window appears, as shown in Figure Dial-In Wizard Password Window Dial-In Wizard Internet Service Provider Window Modem Site-to-Site Dial-in Dial-In Wizard Password Window Dial-In Wizard Site Assignment Window Dial-in Part II. Conﬁguring a Client Device for Dial-out Access Conﬁguring an Analog Modem for Dial-out Calling Modem LAN Modem UsingConﬁguring a LAN Creating a Private Network Service Provider Proﬁle Private Network Parameters Window Under DNS Addresses, leave these values blank Configuring the Dual 56K LAN Modem for DIAL-IN Support Dial-in User Selection Screen Dial-in Users Parameters Screen Callback Parameters WAN Parameters Placing a Call from a Client-side LAN Modem Desktop Manager Disconnecting CallsUsing the LAN Modem Windows only Click Place Call Call Routing Among Service ProvidersClick Submit to save your changes Receiving Calls Click Make Call Manually Click Hangup Call Timers Minimum Call Duration Idle Timeout PLACING, Receiving and Disconnecting Calls LAN Status LEDs to isolate problems Troubleshooting MaintenanceUnauthorized opening of the unit will void the warranty Monitoring LEDs Solutions Evaluating SymptomsSolutions Symptom Possible Cause Solution Macintosh Windows 95Windows 2000 and NT Internet Explorer Click Workstations Click the Workstation Configuration tab Documentation/interop.html Web browser may be caching older pages Information Resetting the Dual 56K LAN ModemFinding More Contacting Technical Description of System Statistics System Statistics Last Call Information Call InformationCurrent Call Information Description Cycled SynchronizingLAN Modem Clock Synchronizing the LAN Modem Clock Troubleshooting and Maintenance Networking Primer What is a WAN? What is a LAN Modem? What is a network? Becomes Is written as Subnet Masking Appendix a Networking Primer What is a network? Appendix a Networking Primer Possible Limitations Appendix a Networking Primer Modem Application Installing and Using the VirtualFAX Modem Click Add to add the new modem Click Install ModemsModem Properties window opens Click the Virtual Fax Modem button Virtual Fax Modem Parameters page opens, as shown in Figure Usage Private Network VPN Creating a Virtual Private Network VPN TunnelCreating a Virtual Tunnel Run Dial-Up Networking Click the Make a New Connection icon Factory Defaults Factory Defaults Appendix D Factory Defaults Year 2000 Compliance SpecificationsSpeciﬁcations Refer to for the Dual 56K LAN Modem speciﬁcations Appendix E Specifications Glossary LZS Glossary Glossary 3Com Corporation Limited Lifetime Warranty OfﬁceConnect Dual 56K LAN Modem Warranties Exclusive Regulatory and Aproval Information FCC Declaration FCC Part 68 Compliance Page 167 TCP/IP 168