Intel 1520 Instrukcja Użytkownika Pobierz pdf (Strona 121)

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109

Chapter 6

Troubleshooting Problems

When the system doesn’t seem to be operating correctly, you can use the information in

this chapter to help you ﬁnd a solution. If the information in this chapter doesn’t solve

your problem, refer to the Intel NetStructure Caching Appliance Product Support booklet

that came with your system.

This chapter provides information on the following topics:

◆ Rebooting your system‚ on page 110

◆ Upgrading software‚ on page 111

1 2 ... 116 117 118 119 120 121 122 123 124 125 126 ... 175 176

Administrator’s Guide 1
Contents 3
Contents v 5
Contents vii 7
Contents ix 9
Who should read this manual 12
Chapter 1 13
How to use this guide 17
Chapter 2 19
Accessing the Manager UI 24
Chapter 2 Getting Started 13 25
Figure 1 The Dashboard page 25
Using online help 27
Verifying that caching works 27
Changing passwords 27
Chapter 3 29
Accessing monitor pages 30
Using the Dashboard page 30
Dashboard alert lights 31
Exposing node detail 31
Changing the selected node 32
Using the Node page 32
Using the Graphs page 33
Using the Protocols page 33
Using the Cache page 33
Using the ARM page 33
Using the Other page 34
Using the MRTG page 34
Chapter 4 35
Accessing configure pages 36
Using the Server Basics page 36
Setting general options 37
Configuring load-shedding 40
Enabling SNMP agents 41
Configuring HTTP 42
Configuring NNTP 43
Configuring FTP 46
Cache activation 47
Freshness 48
Variable content 50
Using the Security page 51
Using the Routing page 51
Setting ICP options 53
Checking transparency 56
Checking WCCP 56
Using the Host Database page 56
Configuring the host database 57
Configuring DNS 59
Using the Snapshots page 59
Chapter 5 61
Using the setup menu 64
Changing the gateway address 65
Using the main menu 66
Starting the appliance 67
Stopping the appliance 67
Application upgrade 69
Patch upgrade 70
OS/Application upgrade 70
Clearing statistics 71
Rebooting the System 72
Halting the System 72
Resetting to factory settings 73
Preparing a cache disk 73
Using the config menu 73
Setting general controls 74
Configuring protocol options 75
Configuring NNTP options 76
Configuring FTP options 83
Setting filter rules 84
Setting remap rules 86
Configuring the cache 88
Setting disk storage options 89
Configuring caching rules 91
Configuring security options 94
Configuring routing options 96
Configuring WCCP options 104
Configuring ARM bypass rules 106
Configuring logging options 110
Using the monitor menu 111
Viewing Node statistics 111
Viewing Protocol statistics 112
ICP peers 115
Viewing Cache statistics 116
Viewing Other statistics 117
Using the expert menu 119
Using the save menu 120
Using the load menu 120
Using the logoff menu 120
Chapter 6 121
Rebooting your system 122
Upgrading software 123
Appendix A 125
Web proxy caching 126
Revalidating objects 128
HTTP object freshness tests 128
Configuring HTTP revalidation 130
Caching HTTP alternates 131
To cache or not to cache? 131
Transparent proxy caching 132
Interception strategies 133
Internet 134
Cache Appliances 135
Adaptive interception bypass 138
Configuring bypass options 139
NetStructure 140
Appliance 140
How server acceleration works 141
Web server redirects 143
HTTP cache hierarchies 147
Peer 148
How an ICP 149
News article caching 150
Blocking particular groups 152
Clustering 152
Transparency 153
Configuring Access control 154
Obeying NNTP control messages 155
Client bandwidth throttling 155
Carrier-class architecture 155
Performance 155
High-availability 157
Virtual IP failover 158
Node fault tolerance 159
Expansion capabilities 159
Centralized administration 160
Appendix B 163
HTML messages sent to clients 164
Glossary 169
Glossary 159 171
Glossary 161 173

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