How to configure flow export for Cisco Wireless Controllers?

    The steps to configure NetFlow for your Cisco WLC are given below:

    Step 1 : Configure the Exporter by following these steps:

    1. Choose Wireless > Netflow > Exporter.
    2. Click New.
    3. Enter the Exporter name, IP address, and the port number(9996)
    4. Click Apply.
    5. Click Save Configuration.

    Step 2: Configure the NetFlow Monitor by following these steps:

    1. Choose Wireless > Netflow > Monitor.
    2. Click New and enter the Monitor name.
    3. On the Monitor List page, click the Monitor name to open the Netflow Monitor > Edit page.
    4. Choose the Exporter name and the Record name from the respective drop-down lists.
    5. Click Apply.
    6. Click Save Configuration.

    Step 3: Associate a NetFlow Monitor to a WLAN by following these steps:

    1. Choose WLANs and click the WLAN ID to open the WLANs > Edit page.
    2. In the QoS tab, choose the NetFlow Monitor from the Netflow Monitor drop-down list.
    3. Make sure the that Application Visibility check box is checked with Enabled
    4. Click Apply.
    5. Click Save Configuration.

    There is another method to create an exporter i.e using CLI. Follow the steps below:

    Create an Exporter by entering this command:
    config flow create exporter exporter-name ip-addr port-number
    Create a NetFlow Monitor by entering this command:
    config flow create monitor monitor-name
    Associate or dissociate a NetFlow monitor with an exporter by entering this command: config flow {add | delete} monitor monitor-name exporter exporter-name
    Associate or dissociate a NetFlow monitor with a record by entering this command: config flow {add | delete} monitor monitor-name record ipv4_client_app_flow_record Associate
    or dissociate a NetFlow monitor with a WLAN by entering this command: config wlan flow wlan-id monitor monitor-name {enable | disable}
    View a summary of NetFlow monitors by entering this command:
    show flow monitor summary
    View information about the Exporter by entering this command: show flow exporter {summary | statistics}
    Configure NetFlow debug by entering this command:
    debug flow {detail | error | info} {enable | disable}