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Installing Software Package on a PTX Device with Single Routing Engine

Follow the below procedure to install a software package:

Junos OS Evolved is delivered in signed package that contain digital signatures to ensure the Juniper Networks software is running. When installing the software package, Junos OS Evolved validates the signatures and the public key certificates used to digitally sign the software package. If the signature or certificate is found to be invalid (for example, when the certificate validity period has expired or cannot be verified against the root CA stored in the Junos OS Evolved internal store), the installation process fails.

To install software upgrades on a device with a single Routing Engine:

  1. You must connect to the console port on the device from your management device, and log in to the Junos OS Evolved CLI.
  2. Enter the following command to install the Junos OS Evolved package.

    You can specify any of the following path:

    • For a software package in a local directory on the device, use /var/tmp/package.iso.

    • For a software package on a remote server, use one of the following paths:

      • ftp://hostname/pathname/package.iso

      • http://hostname/pathname/package.iso

    The package.iso refers to the respective Junos OS Evolved image name.

  3. Reboot the device to load the installation:
  4. After the reboot has completed, log in and use the show version command to verify that the new version of the software is successfully installed.