ZyXEL Communications VES-1616F-44, User Manual

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VES-1616F/1624F-44 User’s Guide
Chapter 27 Maintenance 187
27.4 Firmware Upgrade
Make sure you have downloaded (and unzipped) the correct model firmware and version to
your computer before uploading to the device.
Note: Be sure to upload the correct model firmware as uploading the wrong model
firmware may damage your device.
27.4.1 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.
• 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 27.7 on page 189 ).
• If the switch fails to start from the exiting firmware, access the device console port and
use the
ATBI
command to set the switch to use the second firmware to start up.
From the Maintenance screen, display the Firmware Upgrade screen as shown next.
Note: Firmware upgrade using the web configurator saves the new firmware to ras-0.
Figure 99 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. After you have specified the file, click Upgrade .
After the firmware upgrade process is complete, see the System Info screen to verify your
current firmware version number.