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