任务 10：将所有设备都恢复到出厂设置
步骤 1：在所有路由器上（R1、R2、R3、R4)，实施以下操作
RX#erase startup-config Erasing the nvram filesystem will remove all configuration files! Continue? [confirm] [OK] Erase of nvram: complete Router#reload System configuration has been modified. Save? [yes/no]: no Proceed with reload? [confirm]
步骤 2：待路由器重启后，要看到一下提示，说明路由器已经恢复到出厂设置
--- System Configuration Dialog --- Would you like to enter the initial configuration dialog? [yes/no]:
步骤 3：登录到所有交换机（SW1 和 SW2），实施一下操作
SWX#erase startup-config Erasing the nvram filesystem will remove all configuration files! Continue? [confirm] [OK] Erase of nvram: complete SWX#delete vlan.dat Delete filename [vlan.dat]? Delete flash:vlan.dat? [confirm] SWX#reload System configuration has been modified. Save? [yes/no]: no Proceed with reload? [confirm]
步骤 4：待交换机重启后，要看到一下提示，说明交换机已经恢复到出厂设置
--- System Configuration Dialog --- Would you like to enter the initial configuration dialog? [yes/no]: