Cisco WS-SUP32-GE-3B - Supervisor Engine 32 Software Configuration Manual page 775

Chapter 47 Configuring NetFlow
Enabling NetFlow on the PFC3B
To enable NetFlow statistics collection on the PFC3B, perform this task:
Command
Router(config)# mls netflow
Router(config)# no mls netflow
This example shows how to disable NetFlow statistics collection on the PFC3B (the default setting is
enabled:
Router(config)# no mls netflow
Setting the Minimum IP MLS Flow Mask
You can set the minimum specificity of the flow mask for the NetFlow table on the PFC3B. The actual
flow mask may be more specific than the level configured in the mls flow ip command, if other
configured features need a more specific flow mask (see the
page
To set the minimum IP MLS flow mask, perform this task:
Command
Router(config)# mls flow ip {source | destination |
destination-source | interface-destination-source |
full | interface-full}
Router(config)# no mls flow ip
This example shows how to set the minimum IP MLS flow mask:
Router(config)# mls flow ip destination
To display the IP MLS flow mask configuration, perform this task:
Command
Router# show mls netflow flowmask
This example shows how to display the MLS flow mask configuration:
Router# show mls netflow flowmask
current ip flowmask for unicast: destination address
Router#
Configuring the MLS Aging Time
The MLS aging time (default 300 seconds) applies to all NetFlow table entries. You can configure the
normal aging time in the range of 32 to 4092 seconds. Flows can age as much as 4 seconds sooner or
later than the configured interval. On average, flows age within 2 seconds of the configured value.
OL-11439-03
47-4).
Catalyst Supervisor Engine 32 PISA Cisco IOS Software Configuration Guide, Release 12.2ZY
Purpose
Enables NetFlow on the PFC3B.
Disables NetFlow on the PFC3B.
"Flow Mask Conflicts" section on
Purpose
Sets the minimum IP MLS flow mask for the protocol.
Reverts to the default IP MLS flow mask (null).
Purpose
Displays the flow mask configuration.
Configuring NetFlow
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