HP Webcache Filter Series Manuale Utente Scaricare il pdf (Pagina 135)

Solving Webcache Performance Problems 135

Local domain sites cannot be accessed using the Webcache as a

proxy

This is caused by an incorrect setting of the DNS domain name on the

Webcache. Check the DNS configuration of the Webcache.

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SuperStack 1
Webcache 1000 (3C16115) 1
Webcache 3000 (3C16116) 1
User Guide 1
5400 Bayfront Plaza 2
Santa Clara, California 2
95052-8145 2
3Com Corporation 2
CONTENTS 3
II WEBCACHE FEATURES 4
5 SYSTEM TIME 5
6 SECURITY 5
8 SYSTEM EVENTS 5
9 PERFORMANCE MONITORING 6
10 SYSTEM DIAGNOSTICS 6
III COMMAND LINE INTERFACE 7
IV PROBLEM SOLVING 8
VAPPENDICES AND INDEX 8
ABOUT THIS GUIDE 11
Table 1 Notice Icons 12
Table 2 Text Conventions 12
Related 13
Documentation 13
Comments 13
Product 14
Registration 14
GETTING STARTED 15
INTRODUCING THE WEBCACHE 17
The Webcache and 18
3Com Network 18
Supervisor 18
Webcache — Front 19
View Detail 19
Webcache — Rear 20
Table 4 LED Behavior 22
Table 5 Default Settings 22
INSTALLING THE WEBCACHE 25
Choosing a Suitable 26
Rack-Mounting 27
Rack-Mounting the Webcache 29 29
The Power-up 31
Sequence 31
■ All connections are secure 32
Deploying the 33
Webcache in Your 33
Setting Up the 36
Webcache for 36
Management 36
SuperStack 3 38
Getting Started 43
Wizard Settings 43
Connecting the 44
Webcache to the 44
Live Network 44
Network 45
Concepts 45
0.0.0.0 or leave the field 47
. (dot) 48
. (single dot) 48
. (dots) next to each 48
CONFIGURING WEB BROWSERS 49
Proxy Auto 50
Configuration (PAC) 50
File Scripts 50
Web Proxy 53
Auto-Discovery 53
WEBCACHE FEATURES 55
MANAGING THE WEBCACHE 57
Logging in as a 58
Default User 58
Accessing the Web 58
Web Interface 60
The Toolbar 61 61
Figure 19 The Device Mimic 62
The Toolbar 63 63
(continued) 64
The Information 65
SYSTEM TIME 67
68 CHAPTER 5: SYSTEM TIME 68
70 CHAPTER 5: SYSTEM TIME 70
SECURITY 71
What is Password 72
Recovery? 72
Enabling/Disabling 72
Password Recovery 72
Performing 73
74 CHAPTER 6: SECURITY 74
CONTROLLING AND MONITORING 75
Configuring Web 76
Site Blocking 76
Customizing the 76
Response 76
What is Web Client 77
Blocking? 77
Client Blocking 78
What is Access 79
Logging? 79
Configuring Access 80
Viewing the Access 81
Analyzing the 81
Access Logs 81
SYSTEM EVENTS 83
84 CHAPTER 8: SYSTEM EVENTS 84
Table 11 SNMP Traps 85
HAPTER 8: SYSTEM EVENTS 86
PERFORMANCE MONITORING 87
■ Bandwidth Saving (%) 88
■ Hit and Miss Rate (%) 88
■ Request Rate (sec 88
I/O Performance 89
■ Disk Activity (sec 90
■ Network Packets (sec 90
■ New TCP Connection (sec 90
■ DNS Lookups (sec 90
■ DNS Hit Rate (%) 90
SYSTEM DIAGNOSTICS 91
Tracing IP 92
Addresses 92
/Special.asp 94
System Log 95 95
HAPTER 10: SYSTEM DIAGNOSTICS 96
SOFTWARE UPGRADE AND 97
Detecting Software 98
Upgrades 98
Software Upgrade 99
■ Upgrade Now 100
■ Upgrade Later 100
■ Discard Upgrade 100
Performing a 102
Software 102
Installation 102
What is a Software 102
Installation? 102
Saving and 103
Restoring 103
Configurations 103
Saving a 105
Configuration 105
Restoring a 105
COMMAND LINE INTERFACE 107
■ 8 data bits 110
■ no parity 110
■ 1 stop bit 110
Logging In To the 111
Command Line 111
Interface 111
Understanding the 112
A Quick Guide to 114
■ Send out a PING request 117
Displaying and 121
Changing Security 121
Information 121
Changing 122
Webcache 122
Information and 122
Functions 122
■ System Name 125
■ Location 125
PROBLEM SOLVING 127
Accessing the 130
Webcache via 130
Tel ne t 130
Solving Web 130
Interface Problems 130
Fonts (96 dpi) 132
Solving Command 133
Line Interface 133
Problems 133
Solving Webcache 134
Performance 134
HAPTER 13: PROBLEM SOLVING 136
APPENDICES AND INDEX 137
SAFETY INFORMATION 139
Important Safety 140
■ France and Peru only 141
■ U.K. Only: 141
Consignes 142
Wichtige 144
Sicherheitsinformat 144
Bezeichnung Neutral tragen 145
†Impédance à la terre 145
PPENDIX A: SAFETY INFORMATION 146
CABLE SPECIFICATIONS AND 147
Pin-outs 148
RJ-45 Pin 149
Assignments 149
TECHNICAL SPECIFICATIONS 151
TECHNICAL SUPPORT 153
Support from Your 154
Network Supplier 154
Support from 3Com 155 155
Asia, Pacific Rim 155
Returning Products 156
PPENDIX D: TECHNICAL SUPPORT 158
GLOSSARY 159
160 GLOSSARY 160
GLOSSARY 161 161
162 GLOSSARY 162
GLOSSARY 163 163
164 GLOSSARY 164
NDEX 167 167
NDEX 169 169
170 INDEX 170
REGULATORY NOTICES 176

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HP Webcache Filter Series Manuale Utente Pagina 135

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