: Upgrade a ZTP Firewall
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Upgrade a ZTP Firewall

Table of Contents

Upgrade a ZTP Firewall

Automatically upgrade your a ZTP firewall.
After you successfully add a ZTP firewall to the Panorama™ management server, configure the target PAN-OS version of the ZTP firewall. Panorama checks whether PAN-OS version installed on the ZTP firewall is greater than or equal to the configured target PAN-OS version after it successfully connects to Panorama for the first time. If the PAN-OS version installed on the ZTP firewall is less than the target PAN-OS version, then the ZTP firewall enters an upgrade cycle until target PAN-OS version is installed.
When upgrading ZTP firewalls from PAN-OS 10.1 to PAN-OS 11.1 or later versions, do not use the
To SW Version
column to set a target PAN-OS version. Using the
To SW Version
column causes the upgrade flow to download and install an intermediary base version with an expired root certificate, causing the firewall to lose connection with Panorama.
Instead, after onboarding the ZTP firewall, manually upgrade to the target PAN-OS version that includes a valid root certificate.
  1. Select
    Panorama
    Device Deployment
    Updates
    and
    Check Now
    for the latest PAN-OS releases.
  2. Select
    Panorama
    Managed Devices
    Summary
    and select one or more ZTP firewalls.
  3. Reassociate
    the selected ZTP firewall(s).
  4. Check (enable)
    Auto Push on 1st Connect
    .
  5. In the
    To SW Version
    column, select the target PAN-OS version for the ZTP firewall.
  6. Click
    OK
    to save your configuration changes.
  7. Select
    Commit
    and
    Commit to Panorama
    .
  8. Power on the ZTP firewall.
    When the ZTP firewall connects to Panorama for the first time, it automatically upgrades to the PAN-OS version you selected. If you are upgrading to a PAN-OS maintenance release, the base PAN-OS image is installed first before the target maintenance release is installed.
    For example, you configured the target
    To SW Version
    for the managed firewall as PAN-OS 10.1.5. On first connection to Panorama, PAN-OS 10.1.0 is installed on the managed firewall first. After PAN-OS 10.1.0 successfully installs, the firewall is automatically upgraded to the target PAN-OS 10.1.5 release.
  9. Verify the ZTP firewall software upgrade.
    1. Select
      Panorama
      Managed Devices
      Summary
      and navigate to the ZTP firewall(s).
    2. Verify the
      Software Version
      column displays the correct target PAN-OS release.
  10. For all future PAN-OS upgrades, see Upgrade Firewalls Using Panorama.

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