For more information on the Version 9 export format, refer to the white paper titled Cisco IOS NetFlow
Version 9 Flow-Record Format, available at this URL: http://www.cisco.com/en/US/tech/tk648/tk362/
technologies_white_paper09186a00800a3db9.shtml.
Flow Monitors
Flow monitors are the Flexible NetFlow component that is applied to interfaces to perform network traffic
monitoring.
Flow data is collected from the network traffic and added to the flow monitor cache during the monitoring
process based on the key and nonkey fields in the flow record.
Flexible NetFlow can be used to perform different types of analysis on the same traffic. In the figure below,
packet 1 is analyzed using a record designed for standard traffic analysis on the input interface and a record
designed for security analysis on the output interface.
Figure 50: Example of Using Two Flow Monitors to Analyze the Same Traffic
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
518
Information About NetFlow Lite
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