This function replaces the local configuration file with the configuration file on a specified FTP or SFTP server.
SFTP is recommended because of high security.
The process of updating the configuration file is as follows:
Obtains the configuration file from a specified FTP or SFTP server when the specified hold-off time expires.
If the system fails to obtain the configuration file, it retries at the interval of the hold-off time.
After downloading the configuration file from the server, the system restarts and updates the configuration file.
upgrade saved-configuration ftp server-address username password [ delay ]
upgrade saved-configuration sftp server-address [ port server-port ] username password [ delay ]
upgrade saved-configuration usbfilepath
If you need to update the configuration file again, run the specified command to obtain the configuration file and then update it.