Webcache 1000 3C16115 Webcache 3000 3C16116 User Guide
SuperStack
Regulated Materials Statement
UNITED STATES GOVERNMENT LEGEND
ENVIRONMENTAL STATEMENT
End of Life Statement
ABOUT THIS GUIDE
CONTENTS
2 INSTALLING THE WEBCACHE
I GETTING STARTED
II WEBCACHE FEATURES
4 MANAGING THE WEBCACHE
3 CONFIGURING WEB BROWSERS
8 SYSTEM EVENTS
7 CONTROLLING AND MONITORING WEB ACCESS
SYSTEM TIME
SECURITY
What are System Diagnostics?
10 SYSTEM DIAGNOSTICS
11 SOFTWARE UPGRADE AND INSTALLATION
9 PERFORMANCE MONITORING
12 COMMAND LINE INTERFACE
III COMMAND LINE INTERFACE
B CABLE SPECIFICATIONS AND PIN-OUTS
PROBLEM SOLVING
PROBLEM SOLVING
SAFETY INFORMATION
GLOSSARY INDEX 3COM END USER SOFTWARE LICENSE AGREEMENT
GNU GENERAL PUBLIC LICENSE VERSION 2, JUNE REGULATORY NOTICES
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ABOUT THIS GUIDE
Text Conventions
Conventions
Webcache 1000/3000 Online Help
Related
Documentation
Comments
Product
Registration
site
GETTING STARTED
Chapter 1 Introducing the Webcache Chapter 2 Installing the Webcache
Chapter 3 Configuring Web Browsers
Page
Reduced Network Traffic
What is the
INTRODUCING THE WEBCACHE
Webcache?
Supervisor
Controlled Web Access
The Webcache and
3Com Network
Webcache - Front View Detail
View Detail
Webcache - Front Figure 1 Webcache - Front View
LED Behavior
Webcache - Rear Figure 2 Webcache - Rear View
The Webcache is powered-up but is not caching - a failure has
The Webcache is not powered-up. This may indicate a power
View Detail
LEDs
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
Package Contents
Choosing a Suitable
Site
CAUTION Disconnect all cables from the Webcache before continuing
Webcachemounts
Figure 5 Fitting a Rack-Mounting Bracket to the Webcache
28 CHAPTER 2 INSTALLING THE WEBCACHE
Figure 6 Fitting a Rack-Mounting Rail to the Rear of the Rack
6 Repeat step 4 and step 5 for the other side of the rack
30 CHAPTER 2 INSTALLING THE WEBCACHE
5 Attach the rack-mounting rail to the front of the rack. To do this
b Tighten the screws with a suitable screwdriver
Webcache
The Power-up
Powering-up the
Sequence
Table 6 Power/Self test LED behavior
Table 7 Problems Indicated by LEDs
Suggested Solution
Proxy Cache
Deploying the Webcache in Your Network
Transparent Cache Figure 10 Transparent Cache Deployment
34 CHAPTER 2 INSTALLING THE WEBCACHE
as 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 Network
Accessing the Web Interface
192.168.1.253 is the default IP address of the Webcache
Netscape Navigator version 6 is not supported by the Webcache
Figure 15 Setting Up Over the Test Network
Interface Problems” on page
Setting Up Over the Test Network
Figure 14 User name and password screen
Setting Up Through the Console Port
Accessing the Command Line Interface
of the Webcache fit into those of your network
Wizard Settings
Getting Started
completing the Getting Started wizard before you introduce the
Cables
Connecting the
Webcache to the
Live Network
IP Addresses
Configuration
Network
Concepts
The first part identifies the subnet number
Host Name
Domain Name
explicitly direct its Web requests to the Webcache
CONFIGURING WEB BROWSERS
4 Click LAN Settings 5 Tick Use a proxy server
Manual
4 Select Manual Proxy Configuration
Proxy Auto
File Scripts
names which do not contain dots, commonly used for Intranet sites e.g
Use a backup Webcache if the first one fails
Bypass the Webcache for plain host names
1 Log in to the Web interface 2 Click Device View on the Toolbar
4 Click LAN Settings 5 Tick Use automatic configuration script
4 Select Automatic Proxy Configuration
52 CHAPTER 3 CONFIGURING WEB BROWSERS
Auto-Discovery
first tries to connect to the server. The delay is caused by the Web
without delays caused by WPAD
Web Proxy
Auto-Discovery
Click LAN Settings
Tick Automatically detect settings
Web Proxy
WEBCACHE FEATURES
Page
MANAGING THE WEBCACHE
Management
Software Interfaces
Interface
Default User
The admin user name is case-sensitive
Logging in as a
Accessing the Web Interface
192.168.1.253 is the default IP address of the Webcache
The Toolbar
Understanding the Figure 18 The Web Interface Web Interface
The Banner
The Banner
The Help View
The Toolbar
The Summary View
The Device View
Unit Hotspot
Device Mimic
Console Port Hotspot
LAN Port Hotspot
Device Summary
Web Client Blocking Web Site Blocking Save Configuration Notepad
64 CHAPTER 4 MANAGING THE WEBCACHE
SymbolBehavior
If the Summary View is currently selected, a table is displayed which
The Information
Area
window. It contains information about the managed Webcache
66 CHAPTER 4 MANAGING THE WEBCACHE
SYSTEM TIME
Protocol Server
Network Time
Protocol?
Choosing a
System Time
Configuring the
Configuration command in the Web interface
Protocol
70 CHAPTER 5 SYSTEM TIME
6 SECURITY
Passwords?
Setting Passwords
CAUTION To prevent unauthorized access and configuration of the
password is automatically set to the default for the admin user
What is Password
Recovery?
Password Recovery
Performing
Password Recovery
74 CHAPTER 6 SECURITY
CONTROLLING AND MONITORING
WEB ACCESS
Example
4 Check Enable Web Site Blocking
Site Blocking
Domain Name Rules
2 Select System - Caching - Customize Response in the Navigation Tree
Client Blocking
78 CHAPTER 7 CONTROLLING AND MONITORING WEB ACCESS
Example
on the standard Squid access log format and can be analyzed using
What is Access
Blocking to control access to the Internet, you should ensure that Go
see “Proxy Auto Configuration PAC File Scripts” on page
Logging
Access Logs
3 Select System - Caching - View Access Log in the Navigation Tree
Analyzing the
82 CHAPTER 7 CONTROLLING AND MONITORING WEB ACCESS
Notification
SYSTEM EVENTS
The Webcache has failed its Power On Self Test
4 Check Enable Email Notifcation of System Events
A new software upgrade is available
A software upgrade has succeeded A software upgrade has failed
SNMP Traps
The community string of the network management station is set to
Traps
Monitoring?
What is
Performance monitoring is always enabled you cannot turn it off
PERFORMANCE MONITORING
Bandwidth Saving %
Hit and Miss Rate %
Request Rate sec-1
CPU Load %
System
Hit and Miss Latencies msec
Throughput Kbits/sec
DNS Lookups sec
Disk Activity sec
Network Packets sec
New TCP Connection sec
Pinging Other
SYSTEM DIAGNOSTICS
Diagnostics?
What are System
Performing a Trace
Tracing IP
Addresses
You can interrupt a PING request at any time by clicking Stop
System Log
You can interrupt a trace route request at any time by clicking Stop
System Log
Special.asp
94 CHAPTER 10 SYSTEM DIAGNOSTICS
Page
96 CHAPTER 10 SYSTEM DIAGNOSTICS
SOFTWARE UPGRADE AND
INSTALLATION
2 Select System Control Upgrade Settings in the Navigation Tree
Upgrades
Performing an Automatically Detected Software Upgrade
Performing a Software Upgrade
Discard Upgrade
View Upgrade Version Release Notes
Upgrade Now
Upgrade Later
Performing a Software Upgrade
Performing a Manual Software Upgrade
CAUTION Unlike a software upgrade, all of the Webcache’s
What is a Software
Installation?
Installation
Configurations
Saving and
Restoring
Example
104 CHAPTER 11 SOFTWARE UPGRADE AND INSTALLATION
Saving a
Configuration
earlier software version via a software installation, you can use a
matching configuration file to restore the settings
106 CHAPTER 11 SOFTWARE UPGRADE AND INSTALLATION
5 Click Restore. The restore process begins
Chapter 12 Command Line Interface
COMMAND LINE INTERFACE
Page
Accessing the Command Line Interface
You must use a VT52 or VT100/ANSI compatible terminal emulator
COMMAND LINE INTERFACE
Console Port
Accessing the
Command Line
console port
Logging In To the Command Line Interface
Command Line Interface
Security menu
GettingStarted command
Logout command
Protocol menu
To enter commands that require values
Commands are not case-sensitive
To enter a simple command
To enter multiple commands
To display parent menus
the Commands
A Quick Guide to
To display sub-menus
Enter system contact
The Getting Started command allows you to quickly configure or view
Getting Started
Enter system name
Example
The date and time are set as soon as you press Return
Old password
Enter new password
Displaying and Changing IP-related Information
Command Line
After the exit, the first key that you press returns you to the login
Exiting the
118 CHAPTER 12 COMMAND LINE INTERFACE
Displaying and Changing IP-related Information
Resetting IP Information to Factory Default Settings
120 CHAPTER 12 COMMAND LINE INTERFACE
Information
Displaying and
Changing the Admin
Password
no password
Do you wish to continue yes,no no
Displaying and Changing Webcache Information and Functions
The Password Recovery feature is enabled
Enter new value enable,disable enable
What Happens During a Reboot?
What Happens During an Initialization?
Webcache is initializing, you cannot communicate with it
Webcache Name
Specifying a
Location
System Name
Hardware Version
Time Since Reset
Contact
Software Version
Chapter 13 Problem Solving
PROBLEM SOLVING
Page
PROBLEM SOLVING
Accessing the Webcache via the Console Line
You cannot access the Webcache using Telnet
Accessing the Webcache via Telnet
Interface Problems
The terminal or terminal emulator can no longer access the
The Web interface responds slowly to commands
You cannot access the Web interface
The System Time does not update in the Web interface
The Proxy Auto Configuration PAC file is ignored by the Web browser
The Command Line Interface responds slowly to commands
Solving Command
Problems
The Webcache fails to power-up
PerformanceCheck Problems
No Web sites can be accessed using the Webcache
Solving Webcache The performance of the Webcache is poor
Solving Webcache Performance Problems
Local domain sites cannot be accessed using the Webcache as a proxy
136 CHAPTER 13 PROBLEM SOLVING
Appendix C Technical Specifications Appendix D Technical Support
APPENDICES AND INDEX
Appendix A Safety Information
Appendix B Cable Specifications and Pin-outs
Page
SAFETY INFORMATION
Information
Important Safety
Power Cord Set
This must be approved for the country where it is used
U.K. Only
France and Peru only
†Impédance à la terre
Il doit être agréé dans le pays dutilisation
Consignes importantes de sécurité
Cordon électrique
Vous devez mettre l’appareil à la terre à la masse ce groupe
Consignes importantes de sécurité
Netzstecker
Wichtige Sicherheitsinformat ionen
Wichtige Sicherheitsinformationen
Bezeichnung Neutral tragen †Impédance à la terre
146 APPENDIX A SAFETY INFORMATION
Category
CABLE SPECIFICATIONS AND
PIN -OUTS
Category
Pin-outs
Null-Modem Cable
PC-AT Serial Cable
Function
Signal
Modem Cable 9-pin to RS-232 25-pin
Pin Number
150 APPENDIX B CABLE SPECIFICATIONS AND PIN-OUTS
TECHNICAL SPECIFICATIONS
Telnet RFC
152 APPENDIX C TECHNICAL SPECIFICATIONS
SNMP protocol RFC MIB-II RFC Interface MIB RFC
Remote Monitoring MIB RFC
World Wide Web Site
Services
Services
Online Technical
Password your Internet e-mail address
Hostname ftp.3com.com
154 APPENDIX D TECHNICAL SUPPORT
Africa
Support from 3Com
CountryTelephone Number CountryTelephone Number
Europe, Middle East and
To obtain an authorization number, call or fax
1 408 326
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U.S.A. and Canada
NET 3Com
158 APPENDIX D TECHNICAL SUPPORT
GLOSSARY
full duplex
Ethernet
See MAC address
Fast Ethernet
MRTG
LAN port
latency
line speed
162 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 Product
GNU 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
one line to give the programs name and a brief idea of what it does
Copyright C 19yy name of author
signature of Ty Coon, 1 April Ty Coon, President of Vice
INFORMATION TO THE USER
How to Identify and Resolve Radio-TV Interference Problems
REGULATORY NOTICES
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