Upgrading the Boot Loader on SRX Series Services Gateways

To upgrade the boot loader to latest version:

1. Upgrade to Junos OS Release 10.0 or later (with or without dual-root support enabled).

   The Junos OS 10.0 image contains the latest boot loader binaries in the following path: /boot/uboot, /boot/loader.

2. Enter the shell prompt using start shell command from the CLI.
3. Run the following command from the shell prompt:

   bootupgrade –u /boot/uboot –l /boot/loader

Note: The system should be rebooted after upgrading the boot loader for the new version to take effect.