Webcache 1000 3C16115 Webcache 3000 3C16116 User Guide
SuperStack
ENVIRONMENTAL STATEMENT
UNITED STATES GOVERNMENT LEGEND
End of Life Statement
Regulated Materials Statement
2 INSTALLING THE WEBCACHE
CONTENTS
I GETTING STARTED
ABOUT THIS GUIDE
3 CONFIGURING WEB BROWSERS
II WEBCACHE FEATURES
4 MANAGING THE WEBCACHE
SYSTEM TIME
7 CONTROLLING AND MONITORING WEB ACCESS
SECURITY
8 SYSTEM EVENTS
11 SOFTWARE UPGRADE AND INSTALLATION
10 SYSTEM DIAGNOSTICS
9 PERFORMANCE MONITORING
What are System Diagnostics?
12 COMMAND LINE INTERFACE
III 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
Text Conventions
Conventions
Documentation
Related
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
INTRODUCING THE WEBCACHE
What is the
Webcache?
Reduced Network Traffic
The Webcache and
Controlled Web Access
3Com Network
Supervisor
Webcache - Front Figure 1 Webcache - Front View
View Detail
LED Behavior
Webcache - Front View Detail
The Webcache is not powered-up. This may indicate a power
The Webcache is powered-up but is not caching - a failure has
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
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
5 Attach the rack-mounting rail to the front of the rack. To do this
30 CHAPTER 2 INSTALLING THE WEBCACHE
b Tighten the screws with a suitable screwdriver
6 Repeat step 4 and step 5 for the other side of the rack
Powering-up the
The Power-up
Sequence
Webcache
Suggested Solution
Table 6 Power/Self test LED behavior
Table 7 Problems Indicated by LEDs
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
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
Setting Up Over the Test Network
Interface Problems” on page
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
Getting Started
Wizard Settings
completing the Getting Started wizard before you introduce the
of the Webcache fit into those of your network
Webcache to the
Connecting the
Live Network
Cables
Network
Configuration
Concepts
IP Addresses
The first part identifies the subnet number
Host Name
Domain Name
4 Click LAN Settings 5 Tick Use a proxy server
CONFIGURING WEB BROWSERS
Manual
explicitly direct its Web requests to the Webcache
File Scripts
4 Select Manual Proxy Configuration
Proxy Auto
Bypass the Webcache for plain host names
Use a backup Webcache if the first one fails
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
without delays caused by WPAD
first tries to connect to the server. The delay is caused by the Web
Web Proxy
Auto-Discovery
Tick Automatically detect settings
Click LAN Settings
Web Proxy
Auto-Discovery
WEBCACHE FEATURES
Page
Software Interfaces
MANAGING THE WEBCACHE
Management
The admin user name is case-sensitive
Default User
Logging in as a
Interface
Accessing the Web Interface
192.168.1.253 is the default IP address of the Webcache
The Banner
Understanding the Figure 18 The Web Interface Web Interface
The Banner
The Toolbar
The Summary View
The Toolbar
The Device View
The Help View
Console Port Hotspot
Device Mimic
LAN Port Hotspot
Unit Hotspot
Device Summary
Web Client Blocking Web Site Blocking Save Configuration Notepad
64 CHAPTER 4 MANAGING THE WEBCACHE
SymbolBehavior
Area
The Information
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
Protocol?
Network Time
Choosing a
Protocol Server
Configuration command in the Web interface
Configuring the
Protocol
System Time
70 CHAPTER 5 SYSTEM TIME
Setting Passwords
Passwords?
CAUTION To prevent unauthorized access and configuration of the
6 SECURITY
Recovery?
What is Password
Password Recovery
password is automatically set to the default for the admin user
Performing
Password Recovery
74 CHAPTER 6 SECURITY
CONTROLLING AND MONITORING
WEB ACCESS
Site Blocking
4 Check Enable Web 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
Blocking to control access to the Internet, you should ensure that Go
What is Access
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
Notification
SYSTEM EVENTS
A new software upgrade is available
4 Check Enable Email Notifcation of System Events
A software upgrade has succeeded A software upgrade has failed
The Webcache has failed its Power On Self Test
SNMP Traps
The community string of the network management station is set to
Traps
Performance monitoring is always enabled you cannot turn it off
What is
PERFORMANCE MONITORING
Monitoring?
Request Rate sec-1
Bandwidth Saving %
Hit and Miss Rate %
Hit and Miss Latencies msec
System
Throughput Kbits/sec
CPU Load %
Network Packets sec
Disk Activity sec
New TCP Connection sec
DNS Lookups sec
Diagnostics?
SYSTEM DIAGNOSTICS
What are System
Pinging Other
Addresses
Tracing IP
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
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
Upgrade Now
View Upgrade Version Release Notes
Upgrade Later
Discard Upgrade
Performing a Software Upgrade
Performing a Manual Software Upgrade
Installation?
What is a Software
Installation
CAUTION Unlike a software upgrade, all of the Webcache’s
Restoring
Configurations
Saving and
Example
104 CHAPTER 11 SOFTWARE UPGRADE AND INSTALLATION
earlier software version via a software installation, you can use a
Configuration
matching configuration file to restore the settings
Saving a
106 CHAPTER 11 SOFTWARE UPGRADE AND INSTALLATION
5 Click Restore. The restore process begins
Chapter 12 Command Line Interface
COMMAND LINE INTERFACE
Page
COMMAND LINE INTERFACE
Accessing the Command Line Interface
You must use a VT52 or VT100/ANSI compatible terminal emulator
Command Line
Accessing the
console port
Console Port
Logging In To the Command Line Interface
Command Line Interface
Logout command
GettingStarted command
Protocol menu
Security menu
To enter a simple command
Commands are not case-sensitive
To enter multiple commands
To enter commands that require values
A Quick Guide to
the Commands
To display sub-menus
To display parent menus
Getting Started
The Getting Started command allows you to quickly configure or view
Enter system name
Enter system contact
Old password
The date and time are set as soon as you press Return
Enter new password
Example
After the exit, the first key that you press returns you to the login
Command Line
Exiting the
Displaying and Changing IP-related Information
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
Password
Changing the Admin
no password
Displaying and
The Password Recovery feature is enabled
Displaying and Changing Webcache Information and Functions
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?
Webcache Name
Specifying a
Location
System Name
Contact
Time Since Reset
Software Version
Hardware Version
Chapter 13 Problem Solving
PROBLEM SOLVING
Page
PROBLEM SOLVING
Accessing the Webcache via the Console Line
Interface Problems
Accessing the Webcache via Telnet
The terminal or terminal emulator can no longer access the
You cannot access the Webcache using Telnet
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
Problems
Solving Command
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
Solving Webcache Performance Problems
Local domain sites cannot be accessed using the Webcache as a proxy
136 CHAPTER 13 PROBLEM SOLVING
Appendix A Safety Information
APPENDICES AND INDEX
Appendix B Cable Specifications and Pin-outs
Appendix C Technical Specifications Appendix D Technical Support
Page
SAFETY INFORMATION
Power Cord Set
Important Safety
This must be approved for the country where it is used
Information
†Impédance à la terre
U.K. Only
France and Peru only
Cordon électrique
Consignes importantes de sécurité
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
Netzstecker
Wichtige Sicherheitsinformat ionen
Wichtige Sicherheitsinformationen
Bezeichnung Neutral tragen †Impédance à la terre
146 APPENDIX A SAFETY INFORMATION
PIN -OUTS
CABLE SPECIFICATIONS AND
Category
Category
PC-AT Serial Cable
Pin-outs
Null-Modem Cable
Modem Cable 9-pin to RS-232 25-pin
Signal
Pin Number
Function
150 APPENDIX B CABLE SPECIFICATIONS AND PIN-OUTS
TECHNICAL SPECIFICATIONS
SNMP protocol RFC MIB-II RFC Interface MIB RFC
152 APPENDIX C TECHNICAL SPECIFICATIONS
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
CountryTelephone Number CountryTelephone Number
Support from 3Com
Europe, Middle East and
Africa
To obtain an authorization number, call or fax
U.S.A. and Canada
Returning Products for Repair
NET 3Com
1 408 326
158 APPENDIX D TECHNICAL SUPPORT
GLOSSARY
See MAC address
Ethernet
Fast Ethernet
full duplex
latency
LAN port
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
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
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
REGULATORY NOTICES
How to Identify and Resolve Radio-TV Interference Problems
FCC STATEMENT
INFORMATION TO THE USER
