Pre-requisites:
- USB 2.0 (or later) Flash Drive formatted as FAT or MS-DOW
- Latest JunOS (9.6 or later) firmware for your device
Step 1
Move the Junos firmware file to the root folder of the USB drive.
Step 2
Console into the Juniper device and enter shell as root by typing start shell user root and enter the admin password for the Switch
Step 3
Mount the USB device by typing the command mount_msdosfs /dev/da1s1 /mt
Step 4
Enter CLI on the Junos device by typing cli
Step 5
Enter command request system software add /mnt/>image name "jinstall-exe-4200-10.0S10.1-domestic-signed.tgz"
Step 6
Reboot the EX switch by typing request system reboot
Step 7
After the reboot, log back in and verify the new Junos version by typing the command show version
