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Server accelerator The appliance can be configured as a web server to accelerate slower traditional web servers. Documents stored in cache are served at high speed, while documents not in cache are requested on demand from slower, traditional web servers. This server accelerator feature is also called reverse proxy. Part of an HTTP cache hierarchy The appliance can participate in flexible cache hierarchies, where Internet requests not fulfilled in one cache can
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Multithreading process support The appliance is the first commercial caching proxy server to aggressively implement multithreading, breaking down large transactions into small, efficient tasks. The appliance processes multiple outstanding requests simultaneously and efficiently, even under peak loads. High-speed caching The cache consists of a high speed object database stored on raw disk. Objects are stored and indexed according to their URL and associated h
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SNMP Network Management The appliance can be monitored and managed through SNMP network management facilities. The appliance supports two management information bases (MIBs). The first, MIB-2 is a well known standard MIB. The second, the proprietary Intel NetStructure Cache Appliance MIB provides more specific node and cluster information. Performance reporting You can get performance statistics at a glance from the Manager UI or from the command-line interface. How to use this guide
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Chapter 2 Getting Started This chapter contains the following sections: Starting the system for the first time‚ on page 8 Accessing the Manager UI‚ on page 12 Accessing the command-line interface‚ on page 15 Verifying that caching works‚ on page 15 Changing passwords‚ on page 15 7
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Starting the system for the first time Before you can start the Intel NetStructure Cache Appliance, make sure it is physically connected properly. Connections include: ✔ Connecting to the network through the primary network interface. ✔ Connecting a Terminal Emulator or Concentrator to the appliance’s COM1 port using the serial cable that came packaged with the appliance. ✔ Attaching the supplied power cord to the appliance and plugging the cord into an approved receptacle. You can find inst
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® ™
Intel NetStructure
1520 Cache Appliance
Administrator’s Guide
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Copyright © 2000, Intel Corporation. All rights reserved. Intel Corporation 5200 N. E. Elam Young Parkway Hillsboro, Oregon 97124-6497 No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, without the prior written permission of Intel Corporation. INFORMATION IN THIS DOCUMENT IS PROV
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Contents Preface ix Who should read this manual ................................................................... x Conventions used in this manual.............................................................. x Chapter 1 Introduction 1 What is an Intel® NetStructure™ Cache Appliance? ...............................2 Why use this caching appliance?.......................................................2 Flexible cache architecture ....................................................
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Using the ARM page.............................................................................. 21 Using the Other page............................................................................. 22 Using the MRTG page ........................................................................... 22 Chapter 4 Configuring the Appliance 23 Accessing configure pages .................................................................... 24 Using the Server Basics page............................
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Chapter 5Using the Command-Line Interface 49 Starting the command-line interface.......................................................50 Starting the appliance the first time..................................................50 Using the appliance after initial start-up...........................................50 Navigating the command-line interface ..................................................51 Using the setup menu.....................................................................
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Using the monitor menu......................................................................... 99 Viewing Node statistics.................................................................... 99 Viewing Protocol statistics ............................................................. 100 Viewing Cache statistics................................................................ 104 Viewing Other statistics ................................................................. 105 Using the exper
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Understanding cache hierarchies .........................................................135 HTTP cache hierarchies.................................................................135 ICP cache hierarchies....................................................................136 NNTP cache hierarchies ................................................................137 News article caching.............................................................................138 The appliance as a news
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Reaching the Cache page...................................................................... 21 Reaching the ARM page........................................................................ 22 Reaching the Other page....................................................................... 22 Reaching the MRTG page ..................................................................... 22 Reaching the configure pages ............................................................... 24 Reaching th
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Preparing a cache disk ...........................................................................61 Setting general controls..........................................................................62 Configuring HHTP options......................................................................63 Configuring NNTP options......................................................................64 Adding NNTP server rules......................................................................65 Conf
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Deleting ARM bypass rules.................................................................... 95 Viewing ARM bypass rules .................................................................... 95 Configuring load-shedding options......................................................... 96 Configuring host database options......................................................... 96 Viewing host database options .............................................................. 98 Enabling logging
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Preface ® ™ This manual describes how to use and configure an Intel NetStructure Cache Appliance system (referred to as “appliance” in this manual) either as a single node or as a cluster of nodes. The manual covers the following topics: Chapter 1 contains an overview of the appliance and an overview of this guide. Chapter 2 through Chapter 1 contain procedural information about starting, monitoring, and configuring the appliance. Chapter 6 contains information to
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Who should read this manual This manual is intended for system administrators who configure, run, and administer Intel NetStructure Cache Appliance systems. Consequently, the information in the manual was written with the assumption that the reader has experience in Web server administration and configuring TCP/IP networking. Conventions used in this manual This manual uses the following conventions. Convention Purpose italics Represent emphasis and introduce terms,
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Chapter 1 Introduction ® ™ The Intel NetStructure Cache Appliance is a carrier-class caching appliance that offers high performance, high availability, and simple centralized management. The appliance automatically and efficiently copies network documents and images, bringing them closer and serving them faster to your users. When placed strategically in a network, the appliance can serve user requests for objects from its cache or the caches of neighboring appliances rather
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® What is an Intel NetStructure™ Cache Appliance? Internet users request billions of documents each day all over the world. Unfortunately, global data networking has become difficult for professionals as they struggle with overloaded servers trying to keep pace with society’s growing data demands. The Intel NetStructure Cache Appliance family provides you with a turnkey, scalable solution you can place in your network to deliver industry-leading caching capabilities
