Software upgrade configuration examples
This document provides software upgrade examples. In this document, examples of upgrading software
from the CLI use the non-ISSU method.
Upgrading software from the CLI
Example: Using the device as a TFTP client to upgrade
software
Network requirements
As shown in
, use TFTP to download a software upgrade file from a TFTP server to upgrade the
device.
Figure 1
Network diagram
Software version used
This configuration example was created and verified on S12500-CMW710-R7328P02.
Configuration restrictions and guidelines
When you upgrade software, follow these restrictions and guidelines:
•
Make sure the device has sufficient storage space for the upgrade file. If the device does not have
sufficient storage space, delete unused files by using the
delete /unreserved
file
-
url
command.
•
Save the configuration before the upgrade for the configuration to survive a reboot.
•
If the device has two MPUs, you must upgrade both MPUs for the device to operate correctly.
Configuration procedures
1.
Configure the TFTP server:
# Assign the IP address 192.168.100.14/24 to the TFTP server. (Details not shown.)
# Start the TFTP server and specify a working directory. This example uses the 3CDaemon TFTP
server. (Details not shown.)