Filter Has Excluded All Events

383

No Graph Available for an Event

383

9PERFORMANCE REPORTING

Overview

385

 

 

 

 

 

Key Concepts

385

 

 

 

 

Automated logging

385

 

 

 

Data resolutions

386

 

 

 

Reporting

386

 

 

 

 

 

Components

386

 

 

 

 

 

Historical report

386

 

 

 

Link monitors

389

 

 

 

Logging options

390

 

 

 

Database

391

 

 

 

 

 

Examples

392

 

 

 

 

 

Determining the cause of high errors on a link

392

Predicting demand for bandwidth requirements

392

Web server analysis

393

 

 

 

Useful Information and References

395

 

 

RRDTool

 

395

 

 

 

 

 

Mapping file format

395

 

 

 

Devices

395

 

 

 

 

Links between switches/hubs

395

 

 

Links between a switch/hub and an end station/cloud 395

Database file format

396

 

 

 

Database management 398

 

 

 

Key Considerations

399

 

 

 

Troubleshooting

399

 

 

 

Mapping file not updating

399

 

 

Changing the logging data directory

399

 

Missing data within RRD database files

400

 

Empty historical report states 3Com Network Director cannot monitor

device/link

400

 

 

 

 

10RMON

Introduction 403

Key Concepts 404

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HP Network Direr Software Products manual No Graph Available for an Event 383, Mapping file format, Device/link 400