Snmp | 3Com Webcache 1000 (3C16115), Webcache 3000 (3C16116)

168I NDEX

WAN 21

positioning the Webcache 26 power cord 26

power socket 20 power-up 31 problem solving 129

command line interface 133 Web interface 130

Proxy Auto Configuration (PAC) 50 proxy cache 33

manually configuring Web browsers 49 Proxy Auto Configuration (PAC) 50 Web Proxy Auto-Discovery (WPAD) 53

proxy mode 21 pwdRecover command 122

R rack-mounting 27

rack-mounting kit 26 rear panel 20

console port 20 LAN port 21 LEDs 21

link speed 22 port activity 22

power socket 20 WAN port 21

reboot command 123

registered IP address, obtaining 45 release notes 26

response, customizing 76 Restore Configuration 103, 105 returning products for repair 156 RJ-45 assignments 149

RJ-45 ports 20

S

Safety Information 139 English 140 French 142 German 144

Save Configuration 103, 105 security 71

setting a password 71

setting up the Webcache 25, 36

using the Command Line Interface 40 using the Web interface 38

Simple Network Management Protocol 85 siting the Webcache 26

SNMP

community string 124

SNMP Traps 85, 86 software upgrades 98

software 97 installation 97 upgrade 97

Software Installation 102 performing 102 unsuccessful 102

Software Upgrades 97 configuring 98 performing 99 SNMP Traps 98 unsuccessful 98

solving problems 129 specifications, technical 151 Squid 79

stratums 68 subnet mask 46 subnets 46

sub-networks. See subnets summary (System) command 125 summary command 120 Summary View 61

syslog server 94 system diagnostics 91 System Events 83

email notification 83 configuring 83

SNMP Traps 85 configuring 86

System Log 93 configuring 93 viewing 95

system performance graph 89 CPU load 89

memory usage 89 system time 67

configuring 67 manual 69

Network Time Protocol 69

T

technical specifications 151 technical support

3Com Knowledgebase Web Services 153 3Com URL 153

network suppliers 154 product repair 156

test network 38, 40 third-party tools 54 time configuration 67 toolbar 61

Image 168

3Com Webcache 1000 (3C16115), Webcache 3000 (3C16116) manual Snmp

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 Related DocumentationComments Pddtechpubscomments@3com.com Product RegistrationSite Getting Started Page What is Webcache?Reduced Network Traffic Reduced Web Latency Controlled Web Access Webcache3Com Network Supervisor View Detail Color Indicates Cache Storage Status LEDsLink 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 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 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 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 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 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 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 Access Logs LogAnalyzing 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 Bandwidth Saving % Hit and Miss Rate %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 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 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? Specifying a Management menuTo 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 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 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 Wichtige Sicherheitsinformat ionen Das Gerät muß geerdet seinNetzstecker 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 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 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