sFlowTrend-Pro

Table of Contents

1. Introduction

1.1. Introducing sFlowTrend-Pro

1.2. About sFlow

1.3. Getting started

1.4. Getting help

1.4.1. Using the on-line help window

2. The dashboard

2.1. Status

2.2. Thresholds

2.3. Top interfaces

3. Charts

3.1. Selecting the switch and interface to analyse

3.2. Chart types

3.2.1. Interface counter charts

3.2.1.1. Using the legend to view one interface counter statistic

3.2.2. Top N traffic charts

3.2.2.1. Understanding the Top N traffic chart

3.2.2.2. Using the legend to drilldown on specific traffic

3.2.2.3. Filtering for specific traffic

3.3. Changing the time selection

3.3.1. Using the Time selector

3.3.2. Using custom time selection

3.3.3. Making a time selection by dragging the mouse

4. Wireless

4.1. Selecting the WAP and radio to analyse

4.2. Wireless chart types

4.2.1. Wireless specific counters charts

4.2.2. Wireless specific top N traffic charts

5. Switch interface statistics

5.1. Selecting the switch to analyse

6. Using and configuring thresholds

6.1. Viewing thresholds

6.2. Threshold values and types

6.3. Defining thresholds

6.4. Root cause analysis

7. Running sFlowTrend-Pro as a service

7.1. Introduction

7.2. Installation

7.2.1. Notes on installing sFlowTrend-Pro as a service under Linux

7.3. Connecting to a server

8. Configuration

8.1. Configuring switches in sFlowTrend-Pro

8.1.1. Adding a switch that is to be configured via SNMP

8.1.2. Importing and exporting switch configuration

8.1.3. Verifying the switch configuration and status

8.2. Options

8.2.1. Setting the switch, interface, and host naming policy

8.2.1.1. Setting the switch naming policy

8.2.1.2. Setting the interface naming policy

8.2.1.3. Setting the host naming policy

8.2.2. Configuring global SNMP settings

8.2.3. Configuring advanced options

8.2.4. Advanced sFlow

8.3. Configuring user authentication

8.3.1. Adding a user

9. Troubleshooting and frequently asked questions

9.1. Troubleshooting sFlowTrend-Pro

9.1.1. Installation problems

9.1.1.1. When I try to install sFlowTrend-Pro, my browser asks me what to do

9.1.1.2. When I try to install sFlowTrend-Pro, my browser displays a page of text instead of installing the program

9.1.1.3. sFlowTrend-Pro requires the Java Run-time Environment (JRE) v6.0, and Java Web Start

9.1.1.4. Java Web Start is not working correctly on Linux

9.1.2. No switches are listed in the Switch selector

9.1.3. When I select a switch in the Charts tab, the chart is blank

9.1.4. When I select a switch in the Interfaces tab, the table is empty

9.1.5. When I select a switch in the Interfaces tab, the table rows have no counter values.

9.1.6. sFlowTrend-Pro is not receiving sFlow from switch

9.1.7. sFlowTrend-Pro cannot communicate with the switch using SNMP

9.2. Frequently asked questions

9.2.1. After I select a switch to monitor, why does nothing happen?

9.2.2. When I start sFlowTrend-Pro, why do I get an error message "Cannot open UDP port 6343"?

9.2.3. Why are most of the bars in a Top N traffic chart coloured grey?

10. Advanced topics

10.1. Advanced use of filters

10.2. Terms available for use in filters

10.3. Custom configuration

10.4. Integrating sFlowTrend-Pro with other applications

10.4.1. How integration works

10.4.2. Default URLs available

10.4.3. Creating custom URLs

10.4.3.1. Custom URL example

11. Reference

11.1. Menu reference

A. Appendix

A.1. Configuring switches to send sFlow

A.1.1. Using SNMP to configure the switch to send sFlow

A.1.1.1. Configuring ProCurve switches to allow sFlow configuration via SNMP

A.1.2. Using the switch CLI to configure sFlow

A.1.2.1. Alcatel-Lucent OmniSwitch

A.1.2.2. Extreme Networks

A.1.2.3. Force10 Networks

A.1.2.4. Foundry Networks

A.1.2.5. ProCurve Networking by HP

A.2. Recommended sampling rates