1、执行configupload命令
当交换机FOS版本为7.4.0a及之后的，无ftp选项
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switch:admin> configupload
Protocol (scp, sftp, local) [scp]:
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2、产看版本信息
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switch:admin> version
Kernel: 2.6.34.6
Fabric OS: v8.2.0b
Made on: Mon Apr 9 22:21:55 2018
Flash: Fri Apr 26 21:57:55 2019
BootProm: 3.0.20
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3、交换机上执行configurechassis命令，将“Enfore secure config Upload/Download”功能关闭，如下所示：
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switch:admin> configurechassis
Configure...
cfgload attributes (yes, y, no, n): [no] y
Enforce secure config Upload/Download (yes, y, no, n): [yes] n ##输入n关闭，完成“Enfore secure config Upload/Download”的配置
Add Suffix to the uploaded file name (yes, y, no, n): [no] ##到这步，直接按” ctrl+d”退出并保存当前修改，这部及下面的步骤不需要更改
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4、交换机上执行configupload或configdownload命令，显示协议可以使用ftp，如下：
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switch:admin> configupload
Protocol (scp, ftp, sftp, local) [ftp]:
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