It's correct ?
Except that there is no longer any contact..Prerequisites
Download Firmware: Ensure that the image_tesla_hybrid_2.5.9.54_release_cisco_signed file is obtained from an official source, such as the Cisco support portal.
Formatted USB key: The USB key must be formatted in FAT32.
Connect to Switch: You must have access to the switch via the USB port for this method.
Administrator Access: Make sure you have administrator credentials for the switch.
Update steps
Prepare the USB key:
Copy the firmware file (image_tesla_hybrid_2.5.9.54_release_cisco_signed) to the root of the USB stick.
Make sure the file has the correct extension, often .ros or .bin, depending on the model.
Insert the USB key into the Switch :
Plug the USB key into the USB port on the SG350-28MP switch.
Access the CLI or Web Interface :
CLI: Connect via the console port or SSH access.
Web: Connect to the switch's graphical web interface via a browser. The default IP address is often in the 192.168.x.x range.
Check the file on USB :
Via CLI :
bash
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dir usbflash0:
This will list the files available on the USB stick.
Change the Active Firmware :
Changing the Active Firmware :
Download the firmware file from the USB key to the switch by running :
bash
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copy usbflash0:/image_tesla_hybrid_2.5.9.54_release_cisco_signed flash:
Update the active firmware image by specifying the file :
bash
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boot system flash:/image_tesla_hybrid_2.5.9.54_release_cisco_signed
Save the settings :
bash
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write memory
Reboot the Switch: Reboot to apply the new firmware:
bash
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reload
Post-update check:
After rebooting, check the version of firmware installed:
bash
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show version
From the web interface
Log in to the web interface.
Navigate to: Administration > File Management > Firmware Operations.
Choose USB as the source and select the firmware file.
Click Apply to load and apply the firmware.
Reboot the switch to finalise.
