Hit to boot immediately, or space bar for command prompt. The part of the boot log shown below is related to the steps listed above:įreeBSD/PowerPC U-Boot bootstrap loader, Revision Wed Feb 6 11:23:) The username should be root with no password prompt since the file system has been formatted. Note: Both the installation methods should proceed as normal and end with a login prompt. Issue the install command with the format option to install the Junos OS image via TFTP. Substitute the following parameters with the corresponding IP addresses of your network: ( Note: In case the TFTP server is not in the same IP segment, the gateway IP address will also be needed.) Press the Space bar to enter the manual loader. Prepare a TFTP server and put the corresponding image in the TFTP root directory.įor example, the IP address of the TFTP server is 192.168.100.1/24 and the filename of the image is .ĭirectly connect the EX Series device's management port to the TFTP server, or make sure that they are in the same broadcast domain.Ĭonnect a terminal to the EX switch console port and power on the switch.
Note: If you encounter any issues during this procedure, refer to Possible Problems During the Format Process and Their Fixes. Issue the install command with the format option: (To avoid missing it, you may start pressing the Space bar some seconds before the message prompt appears).
When you see the " Hit to boot immediately, or space bar for command prompt" message prompt appear, press the Space bar to get the loader prompt. Review the complete USB compatibility specifications listed in USB Port Specifications for an EX Series Switch.Ĭopy the Junos OS package to the USB device. To perform this recovery installation, the USB device should be formatted to FAT-32 and should be empty (recommended USB size: 1GB, 2GB, or 4GB). Prior to using either method, isolate the affected device if it is part of a Virtual Chassis or VCF.** NOTE: Contact Support if you need a Root Cause Analysis prior to system recovery because all files will be deleted after the process is complete.
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