3Com 520, 510, 530 manual Building a Larger Network

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A-4 BRIDGING AND ROUTING

Figure A-1 Simple Remote Bridging

The OfficeConnect Remote uses FastConnect, its own protocol, to ensure the most efficient connection with other OfficeConnect Remote units. However, if you are connecting to a different type of bridge/router the standard PPP communications protocol is required to establish the link. You can configure outgoing calls to use either FastConnect or PPP as required. The ISDN port on the OfficeConnect Remote autosenses the protocol

being used on incoming calls and switches to the protocol necessary for that connection.

If you are using ISDN to connect to different networks, the two B channels can be used independently to connect to different networks at the same time.

Building a Larger Network

Large networks of interconnected LANs can be established by using multiple bridges as illustrated in Figure A-2.

The bridges build up their address tables. If the destination unit is not registered as being accessed via the bridge’s LAN interface, the frame will not be placed on LAN A. Therefore, frames passing between LAN B and LANs C or D will not impact the overall performance of the LAN.

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Contents Officeconnecttm Remote User Guide3Com Corporation 5400 Bayfront Plaza Santa Clara, California Important Safety Information Disconnect the power adapter before moving the unitWichtige Sicherheitshinweise WAN = Selv’INFORMATION DE Sécurité Importante Page Contents Dimensions B-4 Specifications B-1Management Connector Interface B-1 WAN Port Connecting Cable V.11/X.21Index Page About this Guide How to Use This GuideThis table shows where to find specific information IntroductionIcon conventions that are used throughout this guide are ConventionsText conventions used in this guide are Additional Safety Information Additional Safety InformationAbout this Guide OfficeConnect Remote Features Getting StartedGetting Started Easy to install, configure and support Benefits of IsdnPack Contents Checklist Pre-installation Requirements Registering Ownership Of Your OfficeConnect RemoteOfficeConnect Remote Front and Rear Panel Features Front PanelQuick flash Self test or software loading during power up Getting Started Rear Panel WAN OfficeConnect Remote 520 and 530 only Introduction Siting the OfficeConnect Remote InstallationUsing the Rubber Feet and Stacking Clips To prolong the operational life of your equipmentWall Mounting the OfficeConnect Remote Clipping Your Units TogetherConnecting the Power Adapter Connecting to Your 10BaseT LANConnecting to a Single Workstation To connect the OfficeConnect Remote to in-house LANConnecting to Your 10Base2 LAN Counter-clockwise to unlock it and remove itConnecting to the WAN Connecting to IsdnConnecting to the Voice Port Connecting a Management Terminal Location of OfficeConnect Fax and Print ServersQuick Configuration Starting Quick ConfigurationAt the command prompt enter QC Main Menu ScreenAbout Quick Configuration Setting the Unit Name Complete the fields on this screen as follows Connecting to a Novell IPX NetworkPress CTRL+E to submit this information Connecting to an IP Host on the Same IP Network 12 Connecting To An IP Host On The Same NetworkConnecting to an IP Host on a Different IP Network 13 Connecting to an IP Host on a Different NetworkPress CTRL+E to submit this information Connecting to the Internet or a PPP Router 14 Connecting To The Internet Or PPP RouterGetting Started Password is case-sensitive Press CTRL+E to save this informationSetting Up a WAN Link Monitoring Isdn Line UsageSetting Up a WAN Link Examples of Typical Isdn Networking Applications Novell NetworkDisconnected. In this way Isdn calls are kept to a minimum Examples of Typical Isdn Networking ApplicationsIP Host on the Same IP Network 192.000.000.xxxIP Host on Another IP Network Internet or PPP Router 18 IP routed network19 PPP Connections to the Internet and Corporate Network Multiple Connections from a Single Site 20 Multiple Connections from a Single SiteTroubleshooting TroubleshootingSoftware Reference guide for more Bridging and Routing Bridging and Routing ConceptsGuidelines For Choosing Bridging or Routing How Bridges LearnBridging Between Remote Sites Bridging and Routing ConceptsBuilding a Larger Network Multiple Paths Between Bridged LANs Figure A-2 Multiple Remote BridgesBroadcast Storms Network TopologyOptimum Use of Resource Network Organization, Structure and Physical Layout Routing IP and IPXInternet Figure A-4 Open Systems Interconnection Network Layer Model IP Routing Bridging and Routing IPX Routing Routing IP and IPX A-11IP Addresses Class CSubnet Masking Mask, for exampleHerndon USA InterNIC, Network SolutionsHuntmar park Drive KruislaanNumbered and Unnumbered Links Bridging and Routing Specifications Technical InformationApprovals Bridge CharacteristicsPerformance FCC Requirement Dimensions Interface Cable Characteristics WAN Port Connecting Cable V.11/X.21 SupportWAN Port Connecting Cable V.24/V.28 Support WAN Port Connecting Cable V.35/V.36 Support Manager Port Connecting Cable LAN Port Connecting Cable 10BaseT Modem CableOrdering Information 100BaseVG An Ieee standard for using the new Ieee GlossaryChapter C Glossary Page Chapter C Glossary Page Chapter C Glossary Page Topology The way that a network is physically laid out 3Com Bulletin Board Service On-line Technical ServicesTechnical Support Support from 3Com Support from Your Network SupplierWorld Wide Web Site Returning Products for Repair To obtain an RMA number, call or faxTechnical Support Index NumericsLAN Limited Warranty EMC Update OfficeConnect Remote