Cisco Cisco IOS Software Release 12.2(27)SBC

© 2006 Cisco Systems, Inc. All rights reserved.

Random Sampled NetFlow allow you to collect data from specific subsets of network traffic. 

The Random Sampled NetFlow feature provides NetFlow data for a subset of traffic in a Cisco router 
by processing only one randomly selected packet out of n sequential packets (n is a 
user-configurable parameter). 

Cisco IOS NetFlow is a Cisco IOS application that provides statistics on packets flowing through a 
router. It is emerging as a primary network accounting and security technology.

“Using NetFlow Filtering or Sampling to Select the 

 module of the

, Cisco IOS 

Release 12.4.

The following sections provide information about this feature:

Information About Using NetFlow Filtering or Sampling to Select Network Traffic to Track

How to Configure NetFlow Filtering or Sampling

Configuration Examples for Configuring NetFlow Filtering and Sampling

For a complete list of features included in the “Using NetFlow Filtering or Sampling to Select the 
Network Traffic to Track” module, see the Feature Information Table located toward the end of the 
module.

Command reference information is included in the

Cisco IOS 

Release 12.2SB, at the following URL:

The following commands are new or modified for this feature:

match access-group 

mode