Upgrade the Boot Loader Image

Note

This procedure does not apply to 5520 Series, VSP 4900 Series, VSP 7400 Series, or XA1400 Series.

Warning

This command is an advanced-level command that upgrades the device uboot image. Only use this command if specifically advised to do so by Technical Support. Improper use of this command can result in permanent damage to the device and render it unusable.

If the need to use this command arises, instructions on usage will be provided by technical support.

Before you begin

Transfer the image to the /intflash/ directory on the switch.

About this task

For information about the boot loader image on universal hardware, see Boot Loader Image on Universal Hardware.

Procedure

Enter Privileged EXEC mode:

enable
View the current uboot version:

show sys-info uboot
Upgrade the boot loader image:

uboot-install WORD<1-99>
Restart the system.

Example

Switch:1#>show sys-info uboot

U-Boot Info :
------------------------------------------------------------------------------------------

        Default Version         : 2.2.1.2

        Alternate Version       : 2.2.1.2

        Boot Version Used       : Default

        Trusted Delivery Status : Boot Image Verified

Variable Definitions

The following table defines parameters for the uboot-install command.


Variable	Value
`WORD<1-99>`	Specifies the full path and filename that contains the uboot image.