华为瘦AP升级瘦AP新版本成功的方法：(用IPOP4.1作为FTP服务器)
[Huawei]upgrade version ftp FitAirEngine5760-10_V200R019C00SPC907.bin 169.254.1.10 admin 123456
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华为瘦AP切换胖AP成功的方法：（要求同一版本）
[Huawei]ap-mode-switch fat ftp Fat&CloudAirEngine5760-10_V200R019C00SPC907.bin 169.254.1.10 admin 123456
Warning: The system will reboot and start in fat mode of V200R019C00SPC907. Continue? (y/n)[n]:y
Warning: Do Not Power-off!
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Info: system is rebooting ,please wait...
[Huawei]dis ver
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.170 (AirEngine5760-10 FAT V200R019C00SPC907)
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胖AP切换瘦AP成功方法
直接用Putty0.7使用SSH方式登录169.254.1.1，胖AP的WEB页面登录地址为192.168.1.1, 但如果要切换为瘦AP还是要用一台电脑网线连接到AP的网口，并把电脑的IP设为192.168.1.10 255.255.0.0
[Huawei]ap-mode-switch fit ftp FitAirEngine5760-10_V200R019C00SPC907.bin 169.254.1.10 admin 123456
Warning: The system will reboot and start in fit mode of V200R019C00SPC907. Continue? (y/n)[n]:y
Warning: Do Not Power-off!
.........................................................................................................................................................................................................................................................................................................................................................................................................
Info: system is rebooting ,please wait...
<Huawei>dis ver
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.170 (AirEngine5760-10 FIT V200R019C00SPC907)

注：
1.以上操作都是先用网线把电脑直接接到AP网口，再把电脑IP设为169.254.1.10，再用IPOP4.1作为FTP服务器，把升级文件放在FTP根目录，用Putty0.7通过SSH方式登录到AP的IP169.254.1.1再来操作
2.如提示Error: Upgrade failed due to a failure in downloading the version 就把IPOP4.1以管理员身份运行