https://blog.csdn.net/openbox2008/article/details/79752559
cisco switch 3560 recovery password press mode button flash_init rename flash:config.text flash:config.old boot
@@@@@@@@@@@@
copy flash:config.text system:running-config configure t no ena secret no ena password enable secret enable password end wr
intial password: https://blog.csdn.net/weixin_34319817/article/details/86470445
copy flash:config.text flash:config.old.old delete flash:vlan.dat write erase erase startup-config reload END
