User Manual

Enterasys X-Pedition User Reference Manual xxi
Contents
Configuration Examples ..................................................................................................461
Displaying RMON Information..............................................................................................463
RMON CLI Filters...........................................................................................................464
Creating RMON CLI Filters.....................................................................................465
Using RMON CLI Filters.........................................................................................465
Troubleshooting RMON .........................................................................................................466
Allocating Memory to RMON................................................................................................467
Chapter 27: NetFlow Configuration Guide.....................................................469
Introduction.............................................................................................................................469
NetFlow Activation and Data Collection Strategy ..........................................................469
Flow Accounting.....................................................................................................................470
Flow Accounting Applications ........................................................................................470
Usage Accounting.....................................................................................................471
Traffic Profiling........................................................................................................471
Traffic Engineering...................................................................................................471
Attack/Intrusion Detection .......................................................................................472
Network Surveillance ...............................................................................................472
QoS Monitoring........................................................................................................472
NetFlow Data Warehousing and Mining..................................................................473
Supported Interfaces ...............................................................................................................473
Data Capture ...........................................................................................................................473
Life of a Flow..........................................................................................................................473
NetFlow Architecture..............................................................................................................475
How does NetFlow Account for a Flow?................................................................................476
Export Policy...........................................................................................................................478
Asynchronous Exportation ..............................................................................................478
Example....................................................................................................................478
Periodic Exportation ........................................................................................................479
Example....................................................................................................................480
Asynchronous and Periodic Exportation .........................................................................480
Prerequisites............................................................................................................................481
Collector Relationship Management.......................................................................................481
Specifying Collectors.......................................................................................................481
Configuring NetFlow Data Collection....................................................................................481
Overriding Default Parameters ...............................................................................................482
Export Interval .................................................................................................................482
System Memory Utilization.............................................................................................482
NetFlow Task Priority .....................................................................................................483
Collector Application Port...............................................................................................483
Collector Engine ID and Type.........................................................................................484
Show Command Output..........................................................................................................485
Field Definitions ..............................................................................................................486
Performance Measurements....................................................................................................488
Chapter 28: WAN Configuration Guide .........................................................489
WAN Overview ......................................................................................................................489
WAN Ports.......................................................................................................................489
High-Speed Serial Interface (HSSI) and Standard Serial Interfaces ...............................489