User's Manual

Appendix B - Software Upgrade Upgrading the NPU
4Motion 693 System Manual
B.2.1.3 Step 3: Resetting and Booting the NPU Using the Shadow
Image
After the shadow image is downloaded to the NPU flash, run the following
command to reboot the NPU with the downloaded shadow image:
IMPORTANT
An error may occur if you execute this command when:
 Another software download is already in progress.
 The shadow image to be downloaded is already residing in the NPU flash as the shadow or
operational image.
 The TFTP server is not configured. For more information about configuring the TFTP server,
refer to
“Step 1: Configuring the TFTP Server” on page 691.
 The name of the shadow image to be downloaded is incorrect or the format of the file name is
incorrect. Because the file to be downloaded is a compressed file, always be suffix the file
name with .tgz.
 The NPU is running with the shadow image.
 The system does not have enough memory available for software download.
Command
Syntax
npu(config)# load to shadow <shadow image name>
Syntax
Description
Parameter Description Presence Default
Value
Possible
Values
<shadow
image name>
Denotes the name of the
shadow image that is to be
downloaded to the NPU flash.
The name of this file should
always be suffixed with .tgz.
Mandatory N/A <Valid shadow
image
name>.tgz
Command
Modes
Global configuration mode
NOTE
After you have triggered the download procedure, you can at any time, obtain information about the
download status. For more details, refer to “Displaying the Download Status Information”
on page 696
.