Example of software upgrade through a warm reboot
Network requirements
Use the file feature.bin to upgrade the feature image file for the device.
Figure 30: Network diagram
Configuration procedure
# Configure IP addresses and routes. Make sure the device and the TFTP server can ping each other. (Details not shown.)
# Configure TFTP settings on both the device and the TFTP server. (Details not shown.)
# Use TFTP to download the image file feature.bin from the TFTP server to the root directory of the flash memory.
<Sysname> tftp 2.2.2.2 get feature.bin
# Specify feature.bin as a main startup image file and perform a warm reboot.
<Sysname> warm-reboot file feature flash:/feature.bin This operation will delete the rollback point information for the previous upgrade and maybe get unsaved configuration lost. Continue? [Y/N]:Y Upgrade summary according to following table: flash:/feature.bin Running Version New Version Alpha 7122 Alpha 7123 Slot Upgrade Way 1 Warm Reboot Upgrading software images to compatible versions. Continue? [Y/N]:y
Verifying the configuration
# Verify that the device is running the correct software.
<Sysname> display version