SuperStack
Webcache 1000 3C16115 Webcache 3000 3C16116 User Guide
UNITED STATES GOVERNMENT LEGEND
ENVIRONMENTAL STATEMENT
End of Life Statement
Regulated Materials Statement
CONTENTS
2 INSTALLING THE WEBCACHE
I GETTING STARTED
ABOUT THIS GUIDE
3 CONFIGURING WEB BROWSERS
II WEBCACHE FEATURES
4 MANAGING THE WEBCACHE
7 CONTROLLING AND MONITORING WEB ACCESS
SYSTEM TIME
SECURITY
8 SYSTEM EVENTS
10 SYSTEM DIAGNOSTICS
11 SOFTWARE UPGRADE AND INSTALLATION
9 PERFORMANCE MONITORING
What are System Diagnostics?
III COMMAND LINE INTERFACE
12 COMMAND LINE INTERFACE
PROBLEM SOLVING
PROBLEM SOLVING
SAFETY INFORMATION
B CABLE SPECIFICATIONS AND PIN-OUTS
Returning Products for Repair
GLOSSARY INDEX 3COM END USER SOFTWARE LICENSE AGREEMENT
GNU GENERAL PUBLIC LICENSE VERSION 2, JUNE REGULATORY NOTICES
Page
ABOUT THIS GUIDE
Conventions
Text Conventions
Related
Documentation
Comments
Webcache 1000/3000 Online Help
site
Product
Registration
Chapter 3 Configuring Web Browsers
GETTING STARTED
Chapter 1 Introducing the Webcache Chapter 2 Installing the Webcache
Page
What is the
INTRODUCING THE WEBCACHE
Webcache?
Reduced Network Traffic
Controlled Web Access
The Webcache and
3Com Network
Supervisor
View Detail
Webcache - Front Figure 1 Webcache - Front View
LED Behavior
Webcache - Front 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
View Detail
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
Site
Package Contents
Choosing a Suitable
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
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
6 Repeat step 4 and step 5 for the other side of the rack
The Power-up
Powering-up the
Sequence
Webcache
Suggested Solution
Table 6 Power/Self test LED behavior
Table 7 Problems Indicated by LEDs
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
Netscape Navigator version 6 is not supported by the Webcache
Accessing the Web Interface
192.168.1.253 is the default IP address of the Webcache
Interface Problems” on page
Setting Up Over the Test Network
Figure 14 User name and password screen
Figure 15 Setting Up Over the Test Network
Setting Up Through the Console Port
Accessing the Command Line Interface
Wizard Settings
Getting Started
completing the Getting Started wizard before you introduce the
of the Webcache fit into those of your network
Connecting the
Webcache to the
Live Network
Cables
Configuration
Network
Concepts
IP Addresses
The first part identifies the subnet number
Host Name
Domain Name
CONFIGURING WEB BROWSERS
4 Click LAN Settings 5 Tick Use a proxy server
Manual
explicitly direct its Web requests to the Webcache
File Scripts
4 Select Manual Proxy Configuration
Proxy Auto
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
names which do not contain dots, commonly used for Intranet sites e.g
52 CHAPTER 3 CONFIGURING WEB BROWSERS
4 Click LAN Settings 5 Tick Use automatic configuration script
4 Select Automatic Proxy Configuration
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
Auto-Discovery
WEBCACHE FEATURES
Page
Software Interfaces
MANAGING THE WEBCACHE
Management
Default User
The admin user name is case-sensitive
Logging in as a
Interface
192.168.1.253 is the default IP address of the Webcache
Accessing the Web Interface
Understanding the Figure 18 The Web Interface Web Interface
The Banner
The Banner
The Toolbar
The Toolbar
The Summary View
The Device View
The Help View
Device Mimic
Console Port Hotspot
LAN Port Hotspot
Unit Hotspot
Web Client Blocking Web Site Blocking Save Configuration Notepad
Device Summary
SymbolBehavior
64 CHAPTER 4 MANAGING THE WEBCACHE
The Information
Area
window. It contains information about the managed Webcache
If the Summary View is currently selected, a table is displayed which
66 CHAPTER 4 MANAGING THE WEBCACHE
SYSTEM TIME
Network Time
Protocol?
Choosing a
Protocol Server
Configuring the
Configuration command in the Web interface
Protocol
System Time
70 CHAPTER 5 SYSTEM TIME
Passwords?
Setting Passwords
CAUTION To prevent unauthorized access and configuration of the
6 SECURITY
What is Password
Recovery?
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
4 Check Enable Web Site Blocking
Site Blocking
Domain Name Rules
Example
2 Select System - Caching - Customize Response in the Navigation Tree
Example
Client Blocking
78 CHAPTER 7 CONTROLLING AND MONITORING WEB ACCESS
What is Access
Blocking to control access to the Internet, you should ensure that Go
see “Proxy Auto Configuration PAC File Scripts” on page
on the standard Squid access log format and can be analyzed using
Logging
Analyzing the
Access Logs
3 Select System - Caching - View Access Log in the Navigation Tree
82 CHAPTER 7 CONTROLLING AND MONITORING WEB ACCESS
SYSTEM EVENTS
Notification
4 Check Enable Email Notifcation of System Events
A new software upgrade is available
A software upgrade has succeeded A software upgrade has failed
The Webcache has failed its Power On Self Test
SNMP Traps
Traps
The community string of the network management station is set to
What is
Performance monitoring is always enabled you cannot turn it off
PERFORMANCE MONITORING
Monitoring?
Request Rate sec-1
Bandwidth Saving %
Hit and Miss Rate %
System
Hit and Miss Latencies msec
Throughput Kbits/sec
CPU Load %
Disk Activity sec
Network Packets sec
New TCP Connection sec
DNS Lookups sec
SYSTEM DIAGNOSTICS
Diagnostics?
What are System
Pinging Other
Tracing IP
Addresses
You can interrupt a PING request at any time by clicking Stop
Performing a Trace
System Log
System Log
You can interrupt a trace route request at any time by clicking Stop
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
View Upgrade Version Release Notes
Upgrade Now
Upgrade Later
Discard Upgrade
Performing a Manual Software Upgrade
Performing a Software Upgrade
What is a Software
Installation?
Installation
CAUTION Unlike a software upgrade, all of the Webcache’s
Restoring
Configurations
Saving and
104 CHAPTER 11 SOFTWARE UPGRADE AND INSTALLATION
Example
Configuration
earlier software version via a software installation, you can use a
matching configuration file to restore the settings
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
COMMAND LINE INTERFACE
Accessing the Command Line Interface
You must use a VT52 or VT100/ANSI compatible terminal emulator
Accessing the
Command Line
console port
Console Port
Command Line Interface
Logging In To the Command Line Interface
GettingStarted command
Logout command
Protocol menu
Security menu
Commands are not case-sensitive
To enter a simple command
To enter multiple commands
To enter commands that require values
the Commands
A Quick Guide to
To display sub-menus
To display parent menus
The Getting Started command allows you to quickly configure or view
Getting Started
Enter system name
Enter system contact
The date and time are set as soon as you press Return
Old password
Enter new password
Example
Command Line
After the exit, the first key that you press returns you to the login
Exiting the
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
Changing the Admin
Password
no password
Displaying and
Displaying and Changing Webcache Information and Functions
The Password Recovery feature is enabled
Enter new value enable,disable enable
Do you wish to continue yes,no no
Webcache is initializing, you cannot communicate with it
What Happens During a Reboot?
What Happens During an Initialization?
Specifying a
Webcache Name
System Name
Location
Time Since Reset
Contact
Software Version
Hardware Version
PROBLEM SOLVING
Chapter 13 Problem Solving
Page
Accessing the Webcache via the Console Line
PROBLEM SOLVING
Accessing the Webcache via Telnet
Interface Problems
The terminal or terminal emulator can no longer access the
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
Solving Command
Problems
The Webcache fails to power-up
The Command Line Interface responds slowly to commands
Solving Webcache The performance of the Webcache is poor
PerformanceCheck Problems
No Web sites can be accessed using the Webcache
Local domain sites cannot be accessed using the Webcache as a proxy
Solving Webcache Performance Problems
136 CHAPTER 13 PROBLEM SOLVING
APPENDICES AND INDEX
Appendix A Safety Information
Appendix B Cable Specifications and Pin-outs
Appendix C Technical Specifications Appendix D Technical Support
Page
SAFETY INFORMATION
Important Safety
Power Cord Set
This must be approved for the country where it is used
Information
†Impédance à la terre
U.K. Only
France and Peru only
Consignes importantes de sécurité
Cordon électrique
Vous devez mettre l’appareil à la terre à la masse ce groupe
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
CABLE SPECIFICATIONS AND
PIN -OUTS
Category
Category
PC-AT Serial Cable
Pin-outs
Null-Modem Cable
Signal
Modem Cable 9-pin to RS-232 25-pin
Pin Number
Function
150 APPENDIX B CABLE SPECIFICATIONS AND PIN-OUTS
TECHNICAL SPECIFICATIONS
152 APPENDIX C TECHNICAL SPECIFICATIONS
SNMP protocol RFC MIB-II RFC Interface MIB RFC
Remote Monitoring MIB RFC
Telnet RFC
Services
Services
Online Technical
World Wide Web Site
154 APPENDIX D TECHNICAL SUPPORT
Password your Internet e-mail address
Hostname ftp.3com.com
Support from 3Com
CountryTelephone Number CountryTelephone Number
Europe, Middle East and
Africa
To obtain an authorization number, call or fax
Returning Products for Repair
U.S.A. and Canada
NET 3Com
1 408 326
158 APPENDIX D TECHNICAL SUPPORT
GLOSSARY
Ethernet
See MAC address
Fast Ethernet
full duplex
LAN port
latency
line speed
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
signature of Ty Coon, 1 April Ty Coon, President of Vice
one line to give the programs name and a brief idea of what it does
Copyright C 19yy name of author
How to Identify and Resolve Radio-TV Interference Problems
REGULATORY NOTICES
FCC STATEMENT
INFORMATION TO THE USER
