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Downloading Software Packages from Juniper Networks


You can download the following Junos OS software packages for EX Series switches from the Juniper Networks website:

  • Junos OS for EX Series switches, Release 19.4R1

Before you begin to download the software, ensure that you have a Juniper Networks Web account and a valid support contract. To obtain an account, complete the registration form at the Juniper Networks website:


For EX4300-48MP, FIPS is supported only on non-flex image. You have to upgrade to the non-flex image to enable FIPS mode. Also, the Junos OS Release 19.4R1 image jinstall-host-ex-4300mp-x86-64-19.4R1-secure.tgz that includes FIPS package is available on the Juniper Networks website and the same image can be installed on EX4300-48MP switches.

To download software packages from Juniper Networks:

  1. Using a Web browser, follow the links to the download URL on the Juniper Networks webpage.
  2. Log in to the Juniper Networks authentication system using the username (generally your e-mail address) and password supplied by Juniper Networks representatives.
  3. Select the software package that you want to download. You can select software that supports a specific platform or technology:
    • For Junos OS package, ensure that the name contains the correct switch name and the Junos OS release that is FIPS-certified on the switches.

      The software image name for EX4300-48MP is jinstall-host-ex-4300mp-x86-64-19.4R1-secure.tgz.

  4. Download the software to a local host or to an internal software distribution site.
  5. Install the Junos OS. See Installing Software on EX Series devices with a Single Routing Engine.