@_file_prompt_quiet<EOL><INDENT>def _gen_rollback_cfg(self):<DEDENT>
cfg_file = self._gen_full_path(self.rollback_cfg)<EOL>cmd = "<STR_LIT>".format(cfg_file)<EOL>self.device.send_command_expect(cmd)<EOL>
Save a configuration that can be used for rollback.