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3Com Webcache 3000 (3C16116) manual Returning Products for Repair, U.S.A. and Canada, NET 3Com

Models: Webcache 3000 (3C16116) Webcache 1000 (3C16115)

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Country	Telephone Number		Fax Number

U.S.A. and Canada	1 800	NET 3Com	1 408 326 7120
	(1 800 638 3266)		(not toll-free)
	Enterprise Customers:
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3Com Webcache 3000 (3C16116) manual Returning Products for Repair, U.S.A. and Canada, NET 3Com, 1 408 326, 1 800 638

Contents

Webcache 1000 3C16115 Webcache 3000 3C16116 User Guide SuperStackENVIRONMENTAL STATEMENT UNITED STATES GOVERNMENT LEGENDEnd of Life Statement Regulated Materials Statement2 INSTALLING THE WEBCACHE CONTENTSI GETTING STARTED ABOUT THIS GUIDE4 MANAGING THE WEBCACHE II WEBCACHE FEATURES3 CONFIGURING WEB BROWSERS SYSTEM TIME 7 CONTROLLING AND MONITORING WEB ACCESSSECURITY 8 SYSTEM EVENTS11 SOFTWARE UPGRADE AND INSTALLATION 10 SYSTEM DIAGNOSTICS9 PERFORMANCE MONITORING What are System Diagnostics?12 COMMAND LINE INTERFACE III COMMAND LINE INTERFACEPROBLEM SOLVING PROBLEM SOLVINGSAFETY INFORMATION B CABLE SPECIFICATIONS AND PIN-OUTSGNU GENERAL PUBLIC LICENSE VERSION 2, JUNE REGULATORY NOTICES GLOSSARY INDEX 3COM END USER SOFTWARE LICENSE AGREEMENTReturning Products for Repair Page ABOUT THIS GUIDE Text Conventions ConventionsDocumentation RelatedComments Webcache 1000/3000 Online HelpRegistration Productsite Chapter 1 Introducing the Webcache Chapter 2 Installing the Webcache GETTING STARTEDChapter 3 Configuring Web Browsers Page INTRODUCING THE WEBCACHE What is theWebcache? Reduced Network TrafficThe Webcache and Controlled Web Access3Com Network SupervisorWebcache - Front Figure 1 Webcache - Front View View DetailLED Behavior Webcache - Front View DetailThe Webcache is not powered-up. This may indicate a power The Webcache is powered-up but is not caching - a failure hasView Detail Webcache - Rear Figure 2 Webcache - Rear ViewLEDs 22 CHAPTER 1 INTRODUCING THE WEBCACHE IP Address Subnet Mask Default Router Domain Name System DNS Server 24 CHAPTER 1 INTRODUCING THE WEBCACHE INSTALLING THE WEBCACHE Choosing a Suitable Package ContentsSite CAUTION Disconnect all cables from the Webcache before continuing WebcachemountsFigure 5 Fitting a Rack-Mounting Bracket to the Webcache 28 CHAPTER 2 INSTALLING THE WEBCACHEFigure 6 Fitting a Rack-Mounting Rail to the Rear of the Rack 5 Attach the rack-mounting rail to the front of the rack. To do this 30 CHAPTER 2 INSTALLING THE WEBCACHEb Tighten the screws with a suitable screwdriver 6 Repeat step 4 and step 5 for the other side of the rackPowering-up the The Power-upSequence WebcacheTable 7 Problems Indicated by LEDs Table 6 Power/Self test LED behaviorSuggested Solution Proxy Cache Deploying the Webcache in Your NetworkTransparent Cache Figure 10 Transparent Cache Deployment 34 CHAPTER 2 INSTALLING THE WEBCACHEas a Proxy Forwarder Figure 11 below Setting Up the Webcache for Management Example Setting Up Using a Cross-over Cable Setting Up Over the Test Network192.168.1.253 is the default IP address of the Webcache Accessing the Web InterfaceNetscape Navigator version 6 is not supported by the Webcache Setting Up Over the Test Network Interface Problems” on pageFigure 14 User name and password screen Figure 15 Setting Up Over the Test NetworkSetting Up Through the Console Port Accessing the Command Line Interface Getting Started Wizard Settingscompleting the Getting Started wizard before you introduce the of the Webcache fit into those of your networkWebcache to the Connecting theLive Network CablesNetwork ConfigurationConcepts IP AddressesThe first part identifies the subnet number Host Name Domain Name 4 Click LAN Settings 5 Tick Use a proxy server CONFIGURING WEB BROWSERSManual explicitly direct its Web requests to the WebcacheProxy Auto 4 Select Manual Proxy ConfigurationFile Scripts Bypass the Webcache for plain host names Use a backup Webcache if the first one fails1 Log in to the Web interface 2 Click Device View on the Toolbar names which do not contain dots, commonly used for Intranet sites e.g4 Select Automatic Proxy Configuration 4 Click LAN Settings 5 Tick Use automatic configuration script52 CHAPTER 3 CONFIGURING WEB BROWSERS without delays caused by WPAD first tries to connect to the server. The delay is caused by the WebWeb Proxy Auto-DiscoveryTick Automatically detect settings Click LAN SettingsWeb Proxy Auto-DiscoveryWEBCACHE FEATURES Page Management MANAGING THE WEBCACHESoftware Interfaces The admin user name is case-sensitive Default UserLogging in as a InterfaceAccessing the Web Interface 192.168.1.253 is the default IP address of the WebcacheThe Banner Understanding the Figure 18 The Web Interface Web InterfaceThe Banner The ToolbarThe Summary View The ToolbarThe Device View The Help ViewConsole Port Hotspot Device MimicLAN Port Hotspot Unit HotspotDevice Summary Web Client Blocking Web Site Blocking Save Configuration Notepad64 CHAPTER 4 MANAGING THE WEBCACHE SymbolBehaviorArea The Informationwindow. It contains information about the managed Webcache If the Summary View is currently selected, a table is displayed which66 CHAPTER 4 MANAGING THE WEBCACHE SYSTEM TIME Protocol? Network TimeChoosing a Protocol ServerConfiguration command in the Web interface Configuring theProtocol System Time70 CHAPTER 5 SYSTEM TIME Setting Passwords Passwords?CAUTION To prevent unauthorized access and configuration of the 6 SECURITYRecovery? What is PasswordPassword Recovery password is automatically set to the default for the admin userPerforming Password Recovery74 CHAPTER 6 SECURITY CONTROLLING AND MONITORING WEB ACCESSSite Blocking 4 Check Enable Web Site BlockingDomain Name Rules Example2 Select System - Caching - Customize Response in the Navigation Tree 78 CHAPTER 7 CONTROLLING AND MONITORING WEB ACCESS Client BlockingExample Blocking to control access to the Internet, you should ensure that Go What is Accesssee “Proxy Auto Configuration PAC File Scripts” on page on the standard Squid access log format and can be analyzed usingLogging 3 Select System - Caching - View Access Log in the Navigation Tree Access LogsAnalyzing the 82 CHAPTER 7 CONTROLLING AND MONITORING WEB ACCESS Notification SYSTEM EVENTSA new software upgrade is available 4 Check Enable Email Notifcation of System EventsA software upgrade has succeeded A software upgrade has failed The Webcache has failed its Power On Self TestSNMP Traps The community string of the network management station is set to TrapsPerformance monitoring is always enabled you cannot turn it off What isPERFORMANCE MONITORING Monitoring?Hit and Miss Rate % Bandwidth Saving %Request Rate sec-1 Hit and Miss Latencies msec SystemThroughput Kbits/sec CPU Load %Network Packets sec Disk Activity secNew TCP Connection sec DNS Lookups secDiagnostics? SYSTEM DIAGNOSTICSWhat are System Pinging OtherAddresses Tracing IPYou can interrupt a PING request at any time by clicking Stop Performing a TraceYou can interrupt a trace route request at any time by clicking Stop System LogSystem Log Special.asp 94 CHAPTER 10 SYSTEM DIAGNOSTICSPage 96 CHAPTER 10 SYSTEM DIAGNOSTICS SOFTWARE UPGRADE AND INSTALLATION2 Select System Control Upgrade Settings in the Navigation Tree UpgradesPerforming an Automatically Detected Software Upgrade Performing a Software UpgradeUpgrade Now View Upgrade Version Release NotesUpgrade Later Discard UpgradePerforming a Software Upgrade Performing a Manual Software UpgradeInstallation? What is a SoftwareInstallation CAUTION Unlike a software upgrade, all of the Webcache’sSaving and ConfigurationsRestoring Example 104 CHAPTER 11 SOFTWARE UPGRADE AND INSTALLATIONearlier software version via a software installation, you can use a Configurationmatching configuration file to restore the settings Saving a106 CHAPTER 11 SOFTWARE UPGRADE AND INSTALLATION 5 Click Restore. The restore process beginsChapter 12 Command Line Interface COMMAND LINE INTERFACEPage You must use a VT52 or VT100/ANSI compatible terminal emulator Accessing the Command Line InterfaceCOMMAND LINE INTERFACE Command Line Accessing theconsole port Console PortLogging In To the Command Line Interface Command Line InterfaceLogout command GettingStarted commandProtocol menu Security menuTo enter a simple command Commands are not case-sensitiveTo enter multiple commands To enter commands that require valuesA Quick Guide to the CommandsTo display sub-menus To display parent menusGetting Started The Getting Started command allows you to quickly configure or viewEnter system name Enter system contactOld password The date and time are set as soon as you press ReturnEnter new password ExampleAfter the exit, the first key that you press returns you to the login Command LineExiting the Displaying and Changing IP-related Information118 CHAPTER 12 COMMAND LINE INTERFACE Displaying and Changing IP-related Information Resetting IP Information to Factory Default Settings120 CHAPTER 12 COMMAND LINE INTERFACE InformationPassword Changing the Adminno password Displaying andThe Password Recovery feature is enabled Displaying and Changing Webcache Information and FunctionsEnter new value enable,disable enable Do you wish to continue yes,no noWhat Happens During an Initialization? What Happens During a Reboot?Webcache is initializing, you cannot communicate with it Webcache Name Specifying aLocation System NameContact Time Since ResetSoftware Version Hardware VersionChapter 13 Problem Solving PROBLEM SOLVINGPage PROBLEM SOLVING Accessing the Webcache via the Console LineInterface Problems Accessing the Webcache via TelnetThe terminal or terminal emulator can no longer access the You cannot access the Webcache using TelnetThe Web interface responds slowly to commands You cannot access the Web interfaceThe System Time does not update in the Web interface The Proxy Auto Configuration PAC file is ignored by the Web browserProblems Solving CommandThe Webcache fails to power-up The Command Line Interface responds slowly to commandsNo Web sites can be accessed using the Webcache PerformanceCheck ProblemsSolving Webcache The performance of the Webcache is poor Solving Webcache Performance Problems Local domain sites cannot be accessed using the Webcache as a proxy136 CHAPTER 13 PROBLEM SOLVING Appendix A Safety Information APPENDICES AND INDEXAppendix B Cable Specifications and Pin-outs Appendix C Technical Specifications Appendix D Technical SupportPage SAFETY INFORMATION Power Cord Set Important SafetyThis must be approved for the country where it is used InformationFrance and Peru only U.K. Only†Impédance à la terre Cordon électrique Consignes importantes de sécuritéVous devez mettre l’appareil à la terre à la masse ce groupe Il doit être agréé dans le pays dutilisationConsignes importantes de sécurité Netzstecker Wichtige Sicherheitsinformat ionenWichtige Sicherheitsinformationen Bezeichnung Neutral tragen †Impédance à la terre146 APPENDIX A SAFETY INFORMATION PIN -OUTS CABLE SPECIFICATIONS ANDCategory CategoryNull-Modem Cable Pin-outsPC-AT Serial Cable Modem Cable 9-pin to RS-232 25-pin SignalPin Number Function150 APPENDIX B CABLE SPECIFICATIONS AND PIN-OUTS TECHNICAL SPECIFICATIONS SNMP protocol RFC MIB-II RFC Interface MIB RFC 152 APPENDIX C TECHNICAL SPECIFICATIONSRemote Monitoring MIB RFC Telnet RFCServices ServicesOnline Technical World Wide Web SiteHostname ftp.3com.com Password your Internet e-mail address154 APPENDIX D TECHNICAL SUPPORT CountryTelephone Number CountryTelephone Number Support from 3ComEurope, Middle East and AfricaTo obtain an authorization number, call or fax U.S.A. and Canada Returning Products for RepairNET 3Com 1 408 326158 APPENDIX D TECHNICAL SUPPORT GLOSSARY See MAC address EthernetFast Ethernet full duplexlatency LAN portline speed MRTG162 GLOSSARY that communicate as if they are on the same physical LAN 164 GLOSSARY INDEX Page Page 168 INDEX Page 170 INDEX 3COM END USER SOFTWARE LICENSE AGREEMENT IMPORTANT Read Before Using This ProductGNU GENERAL PUBLIC LICENSE VERSION 2, JUNE You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee NO WARRANTY Copyright C 19yy name of author one line to give the programs name and a brief idea of what it doessignature of Ty Coon, 1 April Ty Coon, President of Vice REGULATORY NOTICES How to Identify and Resolve Radio-TV Interference ProblemsFCC STATEMENT INFORMATION TO THE USER