北电Alteon应用层交换机技术手册_Intelligent Traffic Managemen(3)

Figure 4Selecting Applications to Classify . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Figure 5Pre-defined Bandwidth Management Contracts and Policies . . . . . . . . . .49

Figure 6Creating a New Contract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Figure 7Customizing Rate Limit Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Figure 8Customizing T raffic Shaping Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Figure 9Customizing User Rate Limit Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Figure 10Configuring Time Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

Figure 11Configuring Action for Time Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Figure 12Bulk Provisioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Figure 13Monitoring DoS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Figure 14Viewing Filter Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Figure 15Pattern Match Group Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

Figure 16Clearing Bandwidth Management Statistics . . . . . . . . . . . . . . . . . . . . . . .68

Figure 17Forwarding Database Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Figure 18Monitoring Session Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

Figure 19Switch Processor Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Figure 20SP Maintenance Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Figure 21Reporting Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

Figure 22Understanding the Graph Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Figure 23Selecting Multiple Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103

Figure 24Graphing Across Multiple Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

Figure 25Sample Report in Standard Graph Format . . . . . . . . . . . . . . . . . . . . . . .107

Figure 26Top 5 Inbound Traffic Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

Figure 27All Inbound T raffic Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Figure 28Traffic Aggregates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

Figure 29Selecting Multiple Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

Figure 30Before Averaging the Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

Alteon Intelligent Traffic Management User’s Guide

10Figures

Figure 31After Averaging the Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114 Figure 32Data Points on Inbound Traffic for Application 3 . . . . . . . . . . . . . . . . . . .115 Figure 33Relative Graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116 Figure 34Discarded Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117 Figure 35Applications Not Stacked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118 Figure 36Stacking by Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119 Figure 37Stacking Applications with Discards . . . . . . . . . . . . . . . . . . . . . . . . . . . .120 Figure 38Measuring Discards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121 Figure 39Selecting Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123 Figure 40Selecting Time Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124 Figure 41 A Typical Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126 Figure 42Top User Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128 Figure 43Configuring a User Report for a Specific User . . . . . . . . . . . . . . . . . . . .129 Figure 44All Inbound Applications for User XYZ . . . . . . . . . . . . . . . . . . . . . . . . . .130 Figure 45Working with the XML Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137 Figure 46Signature File Dates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138 Figure 47Default Contract Gets All the Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . .166 Figure 48Default Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171 Figure 49Sum of Reserve Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172 Figure 50Alteon EMS Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181

216392-B

11 Tables

Table 1Traffic Management Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Table 2Hardware and Software Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Table 3References to Install Hardware and Software Components . . . . . . . . . . .22

Table 4Traffic Management Policies and Description . . . . . . . . . . . . . . . . . . . . . .26

Table 5Alteon ITM Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Table 6DOS Attacks Supported on the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Table 7Information on the Displayed Applications . . . . . . . . . . . . . . . . . . . . . . . .45

Table 8Defining Policies for BWM Contracts . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

Table 9Inbound and Outbound Action for Time Policies . . . . . . . . . . . . . . . . . . . .56

Table 10Monitoring Alteon ITM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Table 11Session Capacity for Application Switches . . . . . . . . . . . . . . . . . . . . . . . .72

Table 12Reporting Menu Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94

Table 13Graphing Menu Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

Table 14Graph Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Table 15Sample Report in T able Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108

Table 16Elements of a Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132

Table 17Rule T ypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133

Table 18Generic Syntax Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143

Table 19Forcing Switch to Mail Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169

Alteon Intelligent Traffic Management User’s Guide

12 216392-B

13 Preface

This User’s Guide describes how to use the Alteon Intelligent Traffic

Management (ITM) solution to control traffic traversing the Alteon Application

Switches.

This document describes the features and components of the Alteon ITM solution,

how to configure bandwidth management contracts and policies using the Alteon

Element Management System (EMS) graphical user interface, and monitor traffic

by generating reports.

Alteon Intelligent Traffic Management User’s Guide

14Preface

Related Technical Manuals

You can print selected technical manuals and release notes free, directly from the

Internet. Go to the 9f61ba9b51e79b896802261c/documentation URL. Find the

product for which you need documentation. Then locate the specific category and

model or version for your hardware or software product. Use Adobe Acrobat

Reader to open the manuals and release notes, search for the sections you need,

and print them on most standard printers. Go to Adobe Systems at the

9f61ba9b51e79b896802261c URL to download a free copy of the Adobe Acrobat Reader.

Related publications for this manual are listed below:

?Alteon Intelligent Traffic Management Installation Guide (part number

216391-B)

?Alteon EMS 3.1.2 Online Help (part number 216514-C)

?Using Alteon EMS 3.1.2 (part number 216515-C)

?Alteon Application Switch 22.0.2 Hardware Installation Guide (part number 315396-E)

?Alteon Application Switch 22.0.2 Application Guide (part number 315394-J)

?Alteon Application Switch 22.0.2 Command Reference (part number

315393-J)

216392-B

Preface15 Before You Begin

This guide is intended for network administrators with the following background:

?Basic knowledge of networks, Ethernet bridging, and IP routing

?Familiarity with networking concepts and terminology

?Experience with windows and graphical user interfaces

?Basic knowledge of network topologies

Before using this guide, you must complete the following:

1Install the application switch (see the installation guide that came with your switch).

2Connect the switch to the network.

3Refer to the Alteon ITM Installation Guide and install the Alteon ITM

software.

4Refer to this guide to configure and use Alteon ITM software.

Alteon Intelligent Traffic Management User’s Guide

16Preface

How to Get Help

If you purchased a service contract for your Nortel Networks product from a