请教老周，修改好的hw_ctree.xml和hw_ctree_bak.xml如何上传回光猫

hongping2018

求教，修改好的hw_ctree.xml和hw_ctree_bak.xml如何上传回光猫，shell命令不可以用，使用backup cfg by tftp svrip 192.168.100.2 remotefile hw_ctree.xml命令下载修改的，请问传回到/mnt/jffs2/下命令，谢谢了。