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Downloading and Installing Predefined Junos OS Application Signature Packages


Starting in Junos OS Release 19.3R2 and 19.4R1, application identification is also supported for Broadband Subscriber Management if you have enabled Next Gen Services on the MX240, MX480 or MX960 router with the MX-SPC3 card.

To download, install, and verify the installation of predefined Junos OS application signature packages:

  1. Use download ignore-server-validation if you want to skip server certification validation during the download. Validation is enabled by default.
  2. Configure the URL for the application signature packages server.
  3. Download the application signature package.
    • To download the latest signature package, enter the following command:

    • To download a specific, known signature package, include the version number:

  4. Confirm the successful download of the package.
  5. Install the application signature package.
  6. Confirm the successful installation of the application signature package.


  7. View the protocol bundle status: