<r1>display startup //查看下次启动配置文件
Current startup saved-configuration file: NULL
Next main startup saved-configuration file: flash:/zurkjbackup.cfg
Next backup startup saved-configuration file: NULL
[r1]tftp server enable //设备开启TFTP功能
<r1>backup startup-configuration to 200.200.200.200 backup33.cfg //将设备的下次启动配置文件传送给指定的TFTP服务器(R2)
<r1>tftp 200.200.200.200 put flash:/backup22.cfg backup44.cfg //将本地根目录下的backup22.cfg文件上传给指定服务器并重命名文件
<r1>tftp 200.200.200.200 get backup44.cfg flash:/backup55.cfg //TFTP下载
<r1>reset saved-configuration //删除设备存储配置(重置配置)
<r1>restore startup-configuration from 200.200.200.200 backup33.cfg //恢复下次启动配置文件(利用TFTP从R2上获取上传的文件)
<r1>display startup //查看下次启动配置文件
Current startup saved-configuration file: flash:/startup.cfg(*)
Next main startup saved-configuration file: flash:/backup33.cfg
Next backup startup saved-configuration file: NULL