Cisco ASA 5505 User Manual

Page 1772

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78-8

Cisco ASA 5500 Series Configuration Guide using the CLI

Chapter 78 Configuring NetFlow Secure Event Logging (NSEL)

Configuring NSEL

What to Do Next

See the

“Changing the Time Interval for Sending Flow-Update Events to a Collector” section on

page 78-8

.

Changing the Time Interval for Sending Flow-Update Events to a Collector

To change the time interval at which periodic flow-update events are to be sent to a collector, enter the
following command:

Command

Purpose

flow-export active refresh-interval

value

Example:

hostname (config)# flow-export active

refresh-interval 30

Configures NetFlow parameters for active connections. The
value argument specifies the time interval between
flow-update events in minutes. Valid values are from 1 - 60
minutes. The default value is 1 minute.

If you have already configured the flow-export delay
flow-create
command, and you then configure the
flow-export active refresh-interval command w ith an
interval value that is not at least 5 seconds more than the delay
value, the following warning message appears at the console:

WARNING: The current delay flow-create value

configuration may cause flow-update events to appear

before flow-creation events.

If you have already configured the flow-export active
refresh-interval
command, and you then configure the
flow-export delay flow-create command w ith a delayvalue
that is not at least 5 seconds less than the interval value, the
following warning message appears at the console:

WARNING: The current delay flow-create value

configuration may cause flow-update events to appear

before flow-creation events.

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