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Version: 2.10.2


The licensing page displays information about your NFO license, optional License Manager / Peer configuration, and license usage.

You can deploy NetFlow Optimizer as a standalone instance or as a Peer with NFO License Manager instance.

Apply a License

To apply a new license perform the following on the Licensing panel

  1. Click on the Browse... button
  2. Select the license file
  3. Click Ok to apply the license

License Details

  • Licensed to: The organization the license was issued and the license type
  • Issue date: The date the license was issued by NetFlow Logic support
  • Expiration date: The date the license will expire
  • Blocks count: The number of blocks available for use with the license (one block is 1000 records per second)

Configuring License Manager / Peer

NFO License Manager Configuration

One of your NFO instances could be designated as a License Manager.

On this NFO instance perform the following:

  1. On License Management panel select checkbox This NFO is the License Manager
  2. Optionally deselect checkbox Include this NFO license usage along with other NFO instances if the License Manager usage should not be counted towards license usage, for example, when NFO is configured as a Repeater
  3. Click Save button
  4. Press the Generate button and copy the token into other NFO Peer instances for the NFO License Manager instance to collect license usage
  5. Access Token is always shown, it can be copied at any time after generation. After first install, token and hash are empty. Token can be compared with NFO peer token using Access Token Hash field
  6. Right panel “Measurement” shows License Usage information summary for all NFO peers per day. Detailed information per NFO may be downloaded in CSV format by pressing “Export license usage” link.

NFO License Manager checks license usage violations every midnight. Also it checks violations when tomcat service or NFO server is started/restarted.

NFO Peer Configuration

Other NFO instances could be designated as NFO Peers.

To configure NFO Peers perform the following:

  1. On License Management panel checkbox This NFO is the License Manager has to be unchecked!

  2. Enter NFO License Manager URL: <host>:<port>. For example nfo-manager-host:8443, or <nfo-ip-address>:8443

  3. Enter the License Manager token for access the License Manager

  4. Click Save button to apply changes

  5. After saving, the NFO Peer checks connection with NFO License Manager, request the license from it, and sends license usage information to it

  6. Tomcat SSL/HTTPS certificate is stored after first connection, but if the certificate is changed, it has to be imported manually:

    • Click Choose certificate and select DER-encoded binary, Base64-encoded, or PKCS#7 X509 certificate or certificate chain
    • To view current installed certificate, click “View” button

    Certificate is stored in the ${nfo_home}/tomcat/data/license_manager_truststore.jks file.

  7. Access token isn’t shown after saving, it can be compared with License Manager’s one using Access Token Hash field

  8. The right panel Measurement shows License Usage only for this NFO peer

NFO peer checks license every midnight and updates it if it has been changed. Also at midnight NFO Peer sends its license usage to the License Manager.


This section shows your NFO license usage measured in blocks. One block is 1000 flows per second. To learn more about NFO license please see End User License Agreement.