--交换机配置

int fa0/                 --交换机和路由器连接的接口

switchport mode trunk  

--路由器配置

enable conf t

int fa0/0.1               --路由器接口的子接口

encapsulation dotlq

ip address 192.168.0.1 255.255.255.0  --网络号和vlan10号的一致

int fa0/0.2

encapsulation dotlq

ip address 192.168.1.1 255.255.255.0

int fa0/0.3

encapsulation dotlq

ip address 192.168.2.1 255.255.255.0

exit

int fa0/

no shutdown