1. 路由器開機按Ctrl+Break
2. rommon 1 > confreg 0x2142
3. rommon 2 > reset
4. Router>enable
5. Router#copy startup-config running-config
6. Router#configure terminal
7. Router(config)#enable secret 新密碼
8. Router(config)#config-register 0x2102
9. Router#wr
10.Router#reload