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300-430 · Question #250

An engineer must enable AVC on a Cisco Catalyst 9800 WLC and send the NetFlow data to a NetFlow collector. What must be configured on the controller with the IP address and port number of the…

The correct answer is A. flow exporter. A flow exporter is the NetFlow component that specifies the destination IP address and UDP port of the external collector to which flow data is sent.

Monitoring

Question

An engineer must enable AVC on a Cisco Catalyst 9800 WLC and send the NetFlow data to a NetFlow collector. What must be configured on the controller with the IP address and port number of the NetFlow collector?

Options

  • Aflow exporter
  • Bflow policy
  • Cflow monitor
  • Dflow record

How the community answered

(33 responses)
  • A
    91% (30)
  • B
    3% (1)
  • D
    6% (2)

Why each option

A flow exporter is the NetFlow component that specifies the destination IP address and UDP port of the external collector to which flow data is sent.

Aflow exporterCorrect

On the Cisco Catalyst 9800, the 'flow exporter' configuration object is where the administrator defines the IP address and port number of the remote NetFlow collector. When AVC is enabled, the flow exporter is referenced by a flow monitor so that the controller knows where to transmit the collected application visibility data.

Bflow policy

A flow policy (or AVC policy profile in wireless context) defines how AVC rules are applied to client traffic, not the destination address of a NetFlow collector.

Cflow monitor

A flow monitor ties together a flow record and a flow exporter, but the monitor itself does not hold the collector IP or port - that configuration belongs exclusively in the flow exporter.

Dflow record

A flow record defines the set of fields and metrics that are captured per flow (e.g., source IP, destination port, byte counts), not where the resulting data is exported.

Concept tested: NetFlow flow exporter configuration for AVC on Catalyst 9800

Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/config-guide/b_wl_16_10_cg/application-visibility-and-control.html

Topics

#AVC#NetFlow#flow exporter#Catalyst 9800

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