Enable the USB Firmware Upgrade Function by CLI Command
For security concerns, the function is disabled by default. The administrator needs
to enable the function by the following CLI command:
Router(config)# usb-storage update-firmware enable
Save the Firmware on the USB
There are two ways to create the firmware folder on the USB storage.
1
Follow the folder structure to create the firmware folder manually. It does
not matter if the letters of the folder name are capitalized or not. For
example: D:\vpn300_dir\firmware
Create the Firmware Folder Manually: Root Directory\vpn300_dir\firmware
2
Plug the USB storage to the device and the device will automatically
create the folder Vpn300_dir, which includes the following sub-folders.
Save the .bin file to the firmware folder.
centralized_log
core_dump
diagnostic_info
firmware
packet_trace
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