Cisco 4500M Software Manual page 570

Configuring NetFlow Statistics Collection
The default value of the minimum mask is zero. The configurable range for the minimum mask is from
Note
1 to 32. You should chose an appropriate value depending on the traffic. A higher value for the minimum
mask will provide more detailed network addresses, but it may also result in increased number of flows
in the aggregation cache.
To configure a minimum prefix mask for the Router-Based Aggregation feature, perform the tasks
described in the following sections. Each task is optional.
•
•
•
•
Configuring the Minimum Mask of a Prefix Aggregation Scheme
To configure the minimum mask of a prefix aggregation scheme, perform this task:
Command
Step 1
Router(config)# ip flow-aggregation cache prefix
Step 2
Router(config-flow-cache)# mask source minimum value
Step 3
Router(config-flow-cache)# mask destination minimum value
Configuring the Minimum Mask of a Destination-Prefix Aggregation Scheme
To configure the minimum mask of a destination-prefix aggregation scheme, perform this task:
Command
Step 1
Router(config)# ip flow-aggregation cache destination-prefix
Step 2
Router(config-flow-cache)# mask destination minimum value
Configuring the Minimum Mask of a Source-Prefix Aggregation Scheme
To configure the minimum mask of a source-prefix aggregation scheme, perform this task:
Command
Step 1
Router(config)# ip flow-aggregation cache source-prefix
Step 2
Router(config-flow-cache)# mask source minimum value
Software Configuration Guide—Release 12.2(25)EW
40-10
Configuring the Minimum Mask of a Prefix Aggregation Scheme
Configuring the Minimum Mask of a Destination-Prefix Aggregation Scheme
Configuring the Minimum Mask of a Source-Prefix Aggregation Scheme
Monitoring and Maintaining Minimum Masks for Aggregation Schemes
Chapter 40 Configuring NetFlow Statistics Collection
Purpose
Configures the prefix aggregation cache.
Specifies the minimum value for the source
mask.
Specifies minimum value for the
destination mask.
Purpose
Configures the destination aggregation
cache.
Specifies the minimum value for the
destination mask.
Purpose
Configures the source-prefix aggregation
cache.
Specifies the minimum value for the source
mask.
OL-6696-01