Cisco OL-6900-01 Manuale dell'operatore

Corporate Headquarters

Cisco Systems, Inc.

170 West Tasman Drive

San Jose, CA 95134-1706

USA

http://www.cisco.com

Tel: 408 526-4000

800 553-NETS (6387)

Fax: 408 526-4100

Cisco CNS NetFlow Collection Engine

Installation and Configuration Guide, 5.0.2

February, 2005

Customer Order Number: N/A

Text Part Number: OL-6900-01

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL

STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT

WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT

SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE

OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public

NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH

ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT

LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF

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IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING,

WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO

OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, 5.0.2

CCSP, CCVP, the Cisco Square Bridge logo, Follow Me Browsing, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and

iQuick Study are service marks of Cisco Systems, Inc.; and Access Registrar, Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, Cisco, the Cisco

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trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.

All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship

between Cisco and any other company. (0502R)

iii

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, 5.0.2

OL-6900-01

CONTENTS

Supplemental License Agreement v

Supplemental License Agreement For Cisco Systems Network Management Software: Cisco NetFlow

Collection Engine v

Additional License Restrictions v

Installation and Use v

Reproduction and Distribution v

Description Of Other Rights and Limitations vi

About This Guide vii

Objective vii

Audience vii

How This Guide Is Organized viii

Command Syntax Conventions viii

Obtaining Documentation viii

World Wide Web viii

Ordering Documentation ix

Documentation Feedback ix

Obtaining Technical Assistance ix

Cisco.com ix

Technical Assistance Center x

Cisco Technical Support Web Site x

Cisco TAC Escalation Center xi

CHAPTER

1Overview 1-1

What Are NetFlow Services? 1-1

NetFlow Services Device and IOS Release Support 1-2

NetFlow Data Export 1-2

How and When Flow Statistics Are Exported 1-2

NetFlow Data Export Formats 1-3

What Is CNS NetFlow Collection Engine? 1-4

CNS NetFlow Collection Engine Architectural Overview 1-5

Collector 1-6

Web-Based User Interface 1-6

CNS/XML Interface 1-7

Contents

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, 5.0.2

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Report Generator 1-7

BGP Peer 1-7

CHAPTER

2Installing CNS NetFlow Collection Engine 2-1

Verifying System Requirements 2-1

Using the CNS NetFlow Collection Engine Installation Script 2-2

Installing on a Solaris or HP-UX Platform 2-3

Installing on a Red Hat Enterprise Linux Platform 2-7

Uninstalling CNS NetFlow Collection Engine 5.0 2-10

CHAPTER

3Configuring CNS NetFlow Collection Engine 3-1

Required Patches and Software Packages 3-1

UNIX Environment Variables 3-2

Enabling NetFlow Data Export 3-2

Starting CNS NetFlow Collection Engine 3-2

Verifying That CNS NetFlow Collection Engine Is Running 3-3

NetFlow Collection Engine Configuration Files 3-3

Browser Requirements 3-4

Stopping CNS NetFlow Collection Engine 3-4

NDEX

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, Release 5.0.2

OL-6900-01

Supplemental License Agreement

Supplemental License Agreement For Cisco Systems Network

Management Software: Cisco NetFlow Collection Engine

IMPORTANT–READ CAREFULLY: This Supplemental License Agreement (“SLA”) contains

additional limitations on the license to the Software provided to Customer under the Software License

Agreement between Customer and Cisco. Capitalized terms used in this SLA and not otherwise defined

herein shall have the meanings assigned to them in the Software License Agreement. To the extent that

there is a conflict among any of these terms and conditions applicable to the Software, the terms and

conditions in this SLA shall take precedence.

By installing, downloading, accessing or otherwise using the Software, Customer agrees to be bound by

the terms of this SLA. If Customer does not agree to the terms of this SLA, Customer may not install,

download, or otherwise use the Software. When used below, the term “server” refers to central processor

unit.

Additional License Restrictions

Installation and Use

The Software components are provided to Customer solely to install, update, supplement, or replace

existing functionality of the applicable Network Management Software product. Some license terms

such as device count and proof of preexisting licenses may be electronically enforced. Customer may

install and use following Software components:

Cisco NetFlow Collection Engine Software: May be installed on one (1) server in Customer's network

management environment.

Reproduction and Distribution

Customer may not reproduce nor distribute software.

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, Release 5.0.2

OL-6900-01

Supplemental License Agreement

Additional License Restrictions

Description Of Other Rights and Limitations

Please refer to the Cisco Systems, Inc. Software License Agreement.

vii

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, Release 5.0.2

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About This Guide

Objective

The Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, Release 5.0.2

describes the CNS NetFlow Collection Engine application, which is used with the NetFlow services data

export feature on Cisco routers and Catalyst 5000 and 6000 series switches. This document also

describes the system requirements that must be met to install the CNS NetFlow Collection Engine

product, as well as, how to install, start, and configure CNS NetFlow Collection Engine.

NetFlow services consist of high-performance IP switching features that capture a rich set of traffic

statistics exported from routers and switches while they perform their switching function. CNS NetFlow

Collection Engine provides fast, scalable, and economical data collection from multiple export devices

exporting NetFlow data records.

Prior to reading this manual, you should read the Release Notes for Cisco CNS NetFlow Collection

Engine Release 5.0.2 document. These release notes provide information about known software and

documentation problems and any last minute information about the CNS NetFlow Collection Engine

software not available when this guide was produced.

In previous releases, this product was referred to as Cisco NetFlow FlowCollector (NFC).

Audience

This guide is intended primarily for individuals with network and system administration skills. You

should have a basic understanding of network design, operation, and terminology, as well as familiarity

with your own network configurations. You also must have a basic familiarity with Web browsers,

Hewlett Packard’s HP-UX, or Sun Microsystem’s Solaris Operating System.

viii

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, Release 5.0.2

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About This Guide

How This Guide Is Organized

This guide is organized as follows:

Chapter 1, “Overview,” describes the CNS NetFlow Collection Engine application.

Chapter 2, “Installing CNS NetFlow Collection Engine,” describes how to install the CNS NetFlow

Collection Engine.

Chapter 3, “Configuring CNS NetFlow Collection Engine,” describes how to configure CNS NetFlow

Collection Engine and then validate that it s operating properly.

An Index is also provided.

Command Syntax Conventions

Table 1 describes the syntax used with the commands in this document.

Obtaining Documentation

The following sections explain how to obtain documentation from Cisco Systems.

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at the following URL:

http://www.cisco.com

Translated documentation is available at the following URL:

http://www.cisco.com/public/countries_languages.shtml

Table 1 Command Syntax Guide

Convention Description

boldface Commands and keywords.

italic Command input that is supplied by you.

[ ] Keywords or arguments that appear within square brackets are optional.

{ x | x | x } A choice of keywords (represented by x) appears in braces separated by

vertical bars. You must select one.

^ or Ctrl Represent the key labeled Control. For example, when you read ^D or

Ctrl-D, you should hold down the Control key while you press the D key.

screen font Examples of information displayed on the screen.

boldface screen font Examples of information that you must enter.

< > Nonprinting characters, such as passwords, appear in angled brackets.

[ ] Default responses to system prompts appear in square brackets.

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, Release 5.0.2

OL-6900-01

About This Guide

Obtaining Technical Assistance

Ordering Documentation

Cisco documentation is available in the following ways:

•Registered Cisco Direct Customers can order Cisco product documentation from the Networking

Products MarketPlace:

http://www.cisco.com/cgi-bin/order/order_root.pl

•Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription

Store:

http://www.cisco.com/go/subscription

•Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco corporate headquarters (California, USA) at 408 526-7208 or, elsewhere in North

America, by calling 800 553-NETS (6387).

Documentation Feedback

If you are reading Cisco product documentation on Cisco.com, you can submit technical comments

electronically. Click Leave Feedback at the bottom of the Cisco Documentation home page. After you

complete the form, print it out and fax it to Cisco at 408 527-0730.

You can e-mail your comments to bug-doc@cisco.com.

To submit your comments by mail, use the response card behind the front cover of your document, or

write to the following address:

Cisco Systems

Attn: Document Resource Connection

170 West Tasman Drive

San Jose, CA 95134-9883

We appreciate your comments.

Obtaining Technical Assistance

Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can

obtain documentation, troubleshooting tips, and sample configurations from online tools by using the

Cisco Technical Assistance Center (TAC) Web Site. Cisco.com registered users have complete access to

the technical support resources on the Cisco Technical Support Web Site.

Cisco.com

Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open

access to Cisco information, networking solutions, services, programs, and resources at any time, from

anywhere in the world.

Cisco.com is a highly integrated Internet application and a powerful, easy-to-use tool that provides a

broad range of features and services to help you to

•Streamline business processes and improve productivity

•Resolve technical issues with online support

Cisco CNS NetFlow Collection Engine Installation and Configuration Guide, Release 5.0.2

OL-6900-01

About This Guide

Obtaining Technical Assistance

•Download and test software packages

•Order Cisco learning materials and merchandise

•Register for online skill assessment, training, and certification programs

You can self-register on Cisco.com to obtain customized information and service. To access Cisco.com,

go to the following URL:

http://www.cisco.com

Technical Assistance Center

The Cisco TAC is available to all customers who need technical assistance with a Cisco product,

technology, or solution. Two types of support are available through the Cisco TAC: the Cisco Technical

Support Web Site and the Cisco TAC Escalation Center.

Inquiries to Cisco TAC are categorized according to the urgency of the issue:

•Priority level 4 (P4)—You need information or assistance concerning Cisco product capabilities,

product installation, or basic product configuration.

•Priority level 3 (P3)—Your network performance is degraded. Network functionality is noticeably

impaired, but most business operations continue.

•Priority level 2 (P2)—Your production network is severely degraded, affecting significant aspects

of business operations. No workaround is available.

•Priority level 1 (P1)—Your production network is down, and a critical impact to business operations

will occur if service is not restored quickly. No workaround is available.

Which Cisco TAC resource you choose is based on the priority of the problem and the conditions of

service contracts, when applicable.

Cisco Technical Support Web Site

The Cisco Technical Support Web Site allows you to resolve P3 and P4 issues yourself, saving both cost

and time. The site provides around-the-clock access to online tools, knowledge bases, and software. To

access the Cisco Technical Support Web Site, go to the following URL:

http://www.cisco.com/tac

All customers, partners, and resellers who have a valid Cisco services contract have complete access to

the technical support resources on the Cisco Technical Support Web Site. The Cisco Technical Support

Web Site requires a Cisco.com login ID and password. If you have a valid service contract but do not

have a login ID or password, go to the following URL to register:

http://www.cisco.com/register/

If you cannot resolve your technical issues by using the Cisco Technical Support Web Site, and you are

a Cisco.com registered user, you can open a case online by using the TAC Case Open tool at the

following URL:

http://www.cisco.com/tac/caseopen

If you have Internet access, it is recommended that you open P3 and P4 cases through the Cisco

Technical Support Web Site.

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