Chapter 36 Maintenance
VES1724-56 User’s Guide
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36.2 Firmware Upgrade
Make sure you have downloaded (and unzipped) the correct model firmware and version to your
computer before uploading to the device.
Firmware is uploaded to the current image. See Section 36.8 on page 331 for more information
about images and uploading firmware to a different image.
Be sure to upload the correct model firmware as uploading the wrong
model firmware may damage your device.
36.2.1 Dual Firmware Image
You can store up to two firmware files (of the same device model) on the switch. Only one firmware
is used at a time. This allows immediate rollback on system bootup in case the current firmware is
corrupt. By default, the switch uses firmware ras-0 while the second firmware file is named ras-1.
•You can select which firmware to use during system startup using the boot image <1|2>
command (where 1 is ras-0 and 2 is ras-1).
•To specify whether to save a new firmware to ras-0 or ras-1 on the switch, perform firmware
upgrade using the FTP commands (refer to Section 36.8 on page 331).
•If the switch fails to start from the exiting firmware, access the device console port and use the
ATGI command to set the switch to use the second firmware to start up.
Click Management > Maintenance > Firmware Upgrade to view the screen as shown next.
Note: Firmware upgrade using the web configurator saves the new firmware to ras-0.
Figure 208 Management > Maintenance > Firmware Upgrade
Type the path and file name of the firmware file you wish to upload to the Switch in the File Path
text box or click Browse to locate it. Select the Rebooting check box if you want to reboot the
Switch and apply the new firmware immediately. (Firmware upgrades are only applied after a
reboot.) Click Upgrade to load the new firmware.
After the firmware upgrade process is complete, see the System Info screen to verify your current
firmware version number.
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