Performance Monitoring | 3Com Webcache 1000 (3C16115) instruction

SNMP Traps 85

Configuring SNMP Traps 86

9PERFORMANCE M ONITORING

What is Performance Monitoring? 87

Caching Performance Graphs	87
System Performance Graphs	89
I/O Performance Graphs 89

10SYSTEM D IAGNOSTICS

What are System Diagnostics?		91
Pinging Other Devices	91
Performing a Ping	91
Tracing IP Addresses	92
Performing a Trace Route		92
System Log 93
Configuring the System Log 93
What is a Syslog Server?		94
Obtaining a Syslog Server		94
Viewing the System Log		95

11SOFTWARE U PGRADE AND I NSTALLATION

What is a Software Upgrade?		97
Software Upgrade SNMP Traps			98
Unsuccessful Software Upgrades			98
Detecting Software Upgrades		98
Performing a Software Upgrade		99
What is a Software Installation?		102
Unsuccessful Software Installations 102
Performing a Software Installation			102
Saving and Restoring Configurations			103
Saving a Configuration	105
Restoring a Configuration	105

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3Com Webcache 1000 (3C16115), Webcache 3000 (3C16116) manual Performance Monitoring

Contents

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 Conventions Icon DescriptionConvention Description Comments RelatedDocumentation Pddtechpubscomments@3com.com Product RegistrationSite Getting Started Page Reduced Network Traffic What isWebcache? Reduced Web Latency 3Com Network Controlled Web AccessWebcache Supervisor View Detail Color Indicates Cache Storage Status LEDsLink Status LEDs Power/Self test LED LED Color Indicates Activity LED LEDs DNS Server Default Router Feature Webcache 1000/3000 Port SpeedDuplex Mode Caching Mode Network Time Protocol Disabled NTP Introducing the Webcache Installing the Webcache Package Contents Choosing a SuitableSite 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 Sequence Power-upPowering-up 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 Getting Started Wizard SettingsSetting Meaning Default Example Completing the Getting Started wizard before you introduce Live Network ConnectingWebcache to Cables IP Addresses ConfigurationConcepts Obtaining a Registered IP Address Installing the Webcache Host Name You cannot enter a host name containing a space character Domain Name Click LAN Settings Tick Use a proxy server ManualExplicitly direct its Web requests to the Webcache Select Manual Proxy Configuration Proxy AutoFile Scripts Http//intranet Click LAN Settings Tick Use automatic configuration script Select Automatic Proxy Configuration Auto-Discovery Without delays caused by WpadWeb Proxy Web Proxy Auto-Discovery Wpad protocol is not supported by Resources Web ProxyAuto-Discovery Third-party Tools Chapter Managing the Webcache System Time Security System DiagnosticsSoftware Upgrade and Installation Chapter System Events Performance MonitoringPage Management Software Interfaces Logging in as a Default UserAdmin user name is case-sensitive Interface Accessing the Web Interface Understanding the The Web Interface Banner Device View ToolbarSummary View Help View LAN Port Hotspot Device MimicConsole Port Hotspot Unit Hotspot Device Summary SymbolBehavior Information Area Managing the Webcache System Time Choosing a Network TimeProtocol? Protocol Server System Time ConfiguringProtocol Manually System Time What are Passwords?Setting Passwords Username as soon as possible Enabled on the Webcache Account no passwordAccess to the management interfaces Security of the Webcache. When password recovery is enabled Password Recovery Password for the admin usernamePerforming Security WEB Access Check Enable Web Site Blocking Site BlockingExample Domain Name Rules What is Web Client Blocking? Client Blocking Log in to the Web interface Click Device View on the Toolbar Access logs contain the following fields See Proxy Auto Configuration PAC File Scripts onAccess log to the FTP server Bypass the Webcache entirely after reading the Browser Logging Field Description Access Logs LogAnalyzing Controlling and Monitoring WEB Access System Events Notification Software upgrade has succeeded Software upgrade has failed Check Enable Email Notifcation of System EventsNew software upgrade is available Webcache has failed its Power On Self Test Cache storage device has failed Click OK It. You can configure the network management station to logSnmp Traps System events occur. An Snmp trap is a message generated by Traps Monitoring? Caching Bandwidth Saving % Hit and Miss Rate %Request Rate sec-1 Throughput Kbits/sec SystemHit and Miss Latencies msec CPU Load % New TCP Connection sec Disk Activity secNetwork Packets sec DNS Lookups sec Pinging Other Diagnostics?What are System Devices Performing a Trace Tracing IPAddresses Route That worked are displayed Administrator and 3Com support personnel to troubleshootSystem Log 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 Upgrade Later View Upgrade Version Release NotesUpgrade Now Discard Upgrade Performing a Manual Software Upgrade Installation What is a SoftwareInstallation? Performing a Saving ConfigurationsConfigure the settings of the replacement Webcache Restoring Example Interface Matching configuration file to restore the settingsRestoring a 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 Protocol menu GettingStarted commandLogout command Security menu To enter commands that require values To enter a simple commandTo enter multiple commands To enter abbreviated commands Commands Quick Guide to Enter a valid IP address Following prompt is displayed Basic setup information for the WebcacheFollowing prompt is displayed Enter a valid subnet mask Following prompt is displayed Enter a valid date Following prompt is displayed Enter the new password for the admin userEnter a valid domain name Following prompt is displayed Enter a valid time Displaying Changing IP-related Information Command on the Top-level menuExiting Automatically log you out Specify an IP address to be traced Enter a valid gateway IP addressEnter a valid domain name Resetting IP Information to Factory Default Settings Enter yes to reset the IP address for the WebcacheEnter a valid Domain Name System DNS Server IP address Information To display the IP information, at the Top-level menu, enter No password Changing the AdminPassword Displaying Displaying Changing Webcache Information Functions Following example prompt is displayed What Happens During a Reboot? What Happens During an Initialization? Specifying a Management menuTo specify the name At the Top-level menu, enter Following read-only fields are displayed Enter a community string for the admin user nameTo set the community string At the Top-level menu, enter System Name Software Version Time Since ResetContact Hardware Version Problem Solving 128 Accessing the Webcache via the Console Line You cannot access the Webcache using Telnet Accessing the Webcache via TelnetInterface Problems Solving Web You cannot access the Web interface System Time does not update in the Web interface Solving Command ProblemsLine Interface PerformanceCheck Problems No Web sites can be accessed using the WebcacheSolving Webcache The performance of the Webcache is poor Solving Webcache Performance Problems Problem Solving Appendices and Index 138 Safety Information This must be approved for the country where it is used Important SafetyPower Cord Set Personnel only Only France and Peru only Il doit être agréé dans le pays dutilisation Consignes importantes de sécuritéCordon électrique Calibre 18 AWG Type SV ou 5J Conducteurs Consignes importantes de sécurité Wichtige Sicherheitsinformat ionen Das Gerät muß geerdet seinNetzstecker Bezeichnung Neutral tragen †Impédance à la terre Appendix a Safety Information PIN -OUTS Category Pin to RS-232 25-pin Pin-outsNull-Modem Cable PC-AT Serial Cable Pin Number Signal Function Modem Cable 9-pin to RS-232 25-pin Appendix B Cable Specifications and PIN-OUTS Power Supply Physical DimensionsSafety Environmental Requirements Protocols Used for Administration Standards SupportedTerminal 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 Full duplex EthernetFast Ethernet Gateway Line speed LAN portLatency 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