Auto-Save Configuration
You can configure the router to automatically take the backup of the running configuration by using configuration commit auto-save command. This auto-save feature saves the configuration to the specified location on the router after every commit is made. These auto-save files are stored in the form of Linux files.
Configure Auto-Save
Use the configuration commit auto-save command to auto save the configuration.
Router#configure
Router(config)#configuration commit auto-save
Router(config-cfg-autosave)#commit
When filename is accessed through VRF, you can specify filename in filename <protocol>://<user>@<host>:<port>;<vrf name>/<url-path>/<file-name> format.