Applying previously saved configuration changes
When you are ready to apply the configuration changes you previously saved to a file, copy the file (myconfig in the example) to the startup configuration. The changes take effect after the switch reboots.
Enter the copy filename startup-config command in privileged EXEC mode. Specify the file name as the file URL.
switch# copy flash://myconfig startup-config This operation will modify your startup configuration. Do you want to continue? [Y/N]: y