Problem Solving | 3Com Webcache 1000 (3C16115) instruction

136CHAPTER 13: PROBLEM SOLVING

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3Com Webcache 1000 (3C16115), Webcache 3000 (3C16116) manual Problem Solving

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SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents II Webcache Features System Time Performance Monitoring III Command Line Interface Problem Solving Returning Products for Repair Page About this Guide Icon Description ConventionsConvention Description Related DocumentationComments Pddtechpubscomments@3com.com Registration ProductSite Getting Started Page What is Webcache?Reduced Network Traffic Reduced Web Latency Controlled Web Access Webcache3Com Network Supervisor Color Indicates Cache Storage Status LEDs View DetailLink Status LEDs Power/Self test LED LED Color Indicates Activity LED LEDs Feature Webcache 1000/3000 Port Speed Duplex ModeDNS Server Default Router Caching Mode Network Time Protocol Disabled NTP Introducing the Webcache Installing the Webcache Choosing a Suitable Package ContentsSite Rack-Mounting Kit Contents Webcachemounts Fitting a Rack-Mounting Bracket to the Webcache Fitting a Rack-Mounting Rail to the Rear of the Rack Repeat and for the other side of the rack Fitting a Rack-Mounting Rail to the Front of the Rack Power-up Powering-upSequence Webcache Problem Color State Deploying Webcache in Your Network Proxy Cache Transparent Cache Transparent Cache Deployment As a Proxy Forwarder below Key Setting Up the Webcache for Management Example Setting Up Over the Test Network Setting Up Using a Cross-over Cable Accessing the Web Interface Is the default IP address of the Webcache User name and password screen Setting Up Through the Console Port To connect to the Webcache via the console port Accessing the Command Line Interface Wizard Settings Setting Meaning Default ExampleGetting Started Completing the Getting Started wizard before you introduce Connecting Webcache toLive Network Cables Configuration ConceptsIP Addresses Obtaining a Registered IP Address Installing the Webcache Host Name You cannot enter a host name containing a space character Domain Name Manual Click LAN Settings Tick Use a proxy serverExplicitly direct its Web requests to the Webcache Proxy Auto Select Manual Proxy ConfigurationFile Scripts Http//intranet Click LAN Settings Tick Use automatic configuration script Select Automatic Proxy Configuration Without delays caused by Wpad Web ProxyAuto-Discovery Web Proxy Auto-Discovery Wpad protocol is not supported by Web Proxy Auto-DiscoveryResources Third-party Tools System Diagnostics Software Upgrade and InstallationChapter Managing the Webcache System Time Security Chapter System Events Performance MonitoringPage Management Software Interfaces Default User Admin user name is case-sensitiveLogging in as a Interface Accessing the Web Interface Understanding the The Web Interface Banner Toolbar Summary ViewDevice View Help View Device Mimic Console Port HotspotLAN Port Hotspot Unit Hotspot Device Summary SymbolBehavior Information Area Managing the Webcache System Time Network Time Protocol?Choosing a Protocol Server Configuring ProtocolSystem Time Manually System Time Passwords? Setting PasswordsWhat are Username as soon as possible Account no password Access to the management interfacesEnabled on the Webcache Security of the Webcache. When password recovery is enabled Password for the admin username Password RecoveryPerforming Security WEB Access Site Blocking Check Enable Web Site BlockingExample Domain Name Rules What is Web Client Blocking? Client Blocking Log in to the Web interface Click Device View on the Toolbar See Proxy Auto Configuration PAC File Scripts on Access log to the FTP serverAccess logs contain the following fields Bypass the Webcache entirely after reading the Browser Logging Field Description Log Access LogsAnalyzing Controlling and Monitoring WEB Access System Events Notification Check Enable Email Notifcation of System Events New software upgrade is availableSoftware upgrade has succeeded Software upgrade has failed Webcache has failed its Power On Self Test It. You can configure the network management station to log Snmp TrapsCache storage device has failed Click OK System events occur. An Snmp trap is a message generated by Traps Monitoring? Caching Hit and Miss Rate % Bandwidth Saving %Request Rate sec-1 System Hit and Miss Latencies msecThroughput Kbits/sec CPU Load % Disk Activity sec Network Packets secNew TCP Connection sec DNS Lookups sec Diagnostics? What are SystemPinging Other Devices Tracing IP AddressesPerforming a Trace Route Administrator and 3Com support personnel to troubleshoot System LogThat worked are displayed System Log is primarily intended to be used by your System Special.asp Log System Diagnostics Installation Upgrades For more information about Snmp Traps, see Snmp Traps on Performing a Software Upgrade Performing an Automatically Detected Software Upgrade View Upgrade Version Release Notes Upgrade NowUpgrade Later Discard Upgrade Performing a Manual Software Upgrade What is a Software Installation?Installation Performing a Configurations Configure the settings of the replacement WebcacheSaving Restoring Example Matching configuration file to restore the settings Restoring aInterface Web interface Click Restore. The restore process begins Command Line Interface III 108 Accessing Command Line Interface Accessing Command Line Console port Command Line Interface GettingStarted command Logout commandProtocol menu Security menu To enter a simple command To enter multiple commandsTo enter commands that require values To enter abbreviated commands Commands Quick Guide to Basic setup information for the Webcache Following prompt is displayedEnter a valid IP address Following prompt is displayed Enter a valid subnet mask Following prompt is displayed Enter the new password for the admin user Enter a valid domain name Following prompt is displayedEnter a valid date Following prompt is displayed Enter a valid time Command on the Top-level menu ExitingDisplaying Changing IP-related Information Automatically log you out Enter a valid gateway IP address Specify an IP address to be tracedEnter a valid domain name Enter yes to reset the IP address for the Webcache Resetting IP Information to Factory Default SettingsEnter a valid Domain Name System DNS Server IP address Information To display the IP information, at the Top-level menu, enter Changing the Admin PasswordNo password Displaying Displaying Changing Webcache Information Functions Following example prompt is displayed What Happens During a Reboot? What Happens During an Initialization? Management menu Specifying aTo specify the name At the Top-level menu, enter Enter a community string for the admin user name To set the community string At the Top-level menu, enterFollowing read-only fields are displayed System Name Time Since Reset ContactSoftware Version Hardware Version Problem Solving 128 Accessing the Webcache via the Console Line Accessing the Webcache via Telnet Interface ProblemsYou cannot access the Webcache using Telnet Solving Web You cannot access the Web interface System Time does not update in the Web interface Problems Solving CommandLine Interface No Web sites can be accessed using the Webcache PerformanceCheck ProblemsSolving Webcache The performance of the Webcache is poor Solving Webcache Performance Problems Problem Solving Appendices and Index 138 Safety Information Important Safety Power Cord SetThis must be approved for the country where it is used Personnel only Only France and Peru only Consignes importantes de sécurité Cordon électriqueIl doit être agréé dans le pays dutilisation Calibre 18 AWG Type SV ou 5J Conducteurs Consignes importantes de sécurité Das Gerät muß geerdet sein Wichtige Sicherheitsinformat ionenNetzstecker Bezeichnung Neutral tragen †Impédance à la terre Appendix a Safety Information PIN -OUTS Category Pin-outs Null-Modem CablePin to RS-232 25-pin PC-AT Serial Cable Pin Number Signal Function Modem Cable 9-pin to RS-232 25-pin Appendix B Cable Specifications and PIN-OUTS Physical Dimensions SafetyPower Supply Environmental Requirements Standards Supported Protocols Used for AdministrationTerminal Emulation Services Online Technical Hostname ftp.3com.com Asia, Pacific Rim Europe and South Africa Country Telephone Number Fax Number Returning Products for Repair Appendix D Technical Support Glossary Ethernet Fast EthernetFull duplex Gateway LAN port LatencyLine speed Protocol Glossary Glossary Glossary Index Index LAN Snmp Index Index 3COM END User Software License Agreement GNU General Public License Version 2, June Page No Warranty Page Regulatory Notices