网络安全与技术
Highlighted
网络安全与技术

How to: Upgrade u-boot and loader on SRX Branch Devices from Shell

修改时间 ‎06-15-2011 02:05 PM

Summary:

How to: Upgrade u-boot and loader on SRX Branch Devices from Shell

 

Problem or Goal:

JUNOS 10.0 for SRX Branch series includes uboot and loader updates as well as a bootupgrade command to upgrade the bootloader. Upgrading from JUNOS 9.6 to 10.0 and later may result in alarm message similar to below:
user@router> show system alarms
1 alarms currently active Alarm time Class Description 2009-11-16 23:45:15 PST Minor Host 0 Boot firmware requires upgrade

This article applies to the following products.
  • SRX 100
  • SRX 210
  • SRX 240
  • SRX 650

 

Solution:

The JUNOS 10.0 image contains the latest boot loader binaries in the following path: /boot/uboot, /boot/loader. To upgrade the boot loader, follow below steps.

1. Enter the shell prompt (root access is required).
root@router> start shell
root@router%

2. Run the following command from the shell prompt:
root@router% bootupgrade –u /boot/uboot –l /boot/loader 
Upgrading Loader... #################################### Verifying the loader image... OK Upgrading U-Boot... ############################################################ Verifying the new U-Boot image... OK WARNING: The new boot firmware will take effect when the system is rebooted.
3. Reboot the SRX device.