root用户密码忘记的解决办法|设置grub密码

Switch>en

Switch>enable

Switch#conf

Switch#configure

Switch#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Switch(config)#vl

Switch(config)#vlan 2

Switch(config-vlan)#exit

Switch(config)#in f0/1

Switch(config-if)#sw

Switch(config-if)#switchport m

Switch(config-if)#switchport mode a

Switch(config-if)#switchport mode access

Switch(config-if)#sw

Switch(config-if)#switchport a

Switch(config-if)#switchport access v

Switch(config-if)#switchport access vlan 1

Switch(config-if)#in f0/2

Switch(config-if)#sw

Switch(config-if)#switchport m

Switch(config-if)#switchport mode a

Switch(config-if)#switchport mode access

Switch(config-if)#sw

Switch(config-if)#switchport a

Switch(config-if)#switchport access v

Switch(config-if)#switchport access vlan 2

Switch(config-if)#exit

Switch(config)#ip routing

Switch(config)#in vl

Switch(config)#in vlan 1

Switch(config-if)#ip add 172.16.1.1 255.255.255.0

Switch(config-if)#no shu

Switch(config-if)#no shutdown

%LINK-5-CHANGED: Interface Vlan1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up

Switch(config-if)#exit

Switch(config)#in vl

Switch(config)#in vlan 2

%LINK-5-CHANGED: Interface Vlan2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan2, changed state to up

Switch(config-if)#ip add 172.16.2.1 255.255.255.0

Switch(config-if)#no shu

Switch(config-if)#no shutdown

Switch(config-if)#exit

Switch(config)#

Switch#

%SYS-5-CONFIG_I: Configured from console by console
本文出自 “企业网搭建-路由交换” 博客，请务必保留此出处http://yangfusheng.blog.51cto.com/6267818/1083563