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UPDATING SOFTWARE – STEP 4
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Updating boot code over the network
As discussed in step 1 – selecting the proper version, with either upgrade path (to Version 2.7.1B or to
Version 3.0), the boot code will be updated. At boot up time, the Magnum 6K switch identifies that
there is a new version of the boot code and asks if the new boot code should be loaded
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. The new boot
code is not loaded unless the user responds affirmatively to the question from the console port (or serial
connection)
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. If the Magnum 6K switch is upgraded over the network or remotely, the boot code can
be manually updated by using the ‘upgrade’ command discussed below. This allows the boot code to be
updated without requiring access to serial port.
Syntax upgrade mode=bl
mode=bl is a hidden option and is not visible using the help capabilities in MNS-6K.
This command can be executed by accessing the switch through the console port
(serial connection) or through the network (telnet to the switch.)
Continue to use the network access method defined in steps 1, 2 and 3. Use the upgrade command as
shown in Figure 17 and reboot the switch.
Magnum6K25# upgrade mode=bl
The BOOT Flash image will be replaced by the version
embedded in this application.
Do you wish to upgrade the image? [ 'Y' or 'N'] Y
Uncompressing image and programming flash memory.
This will take up to a minute to complete...
Boot loader upgrade is successful...
Magnum6K25# reboot
Proceed on rebooting the switch? [ 'Y' or 'N' ] Y
Do you wish to save current configuration? [ 'Y' or 'N' ] Y
FIGURE 157 – Updating the boot code over the network using the upgrade command. Make sure to reboot the switch after
the boot loader upgrade is completed
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This question is asked on the console port (serial connection) only.
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Note – If the response is not given, the switch will not load the new boot code.