交换机配置
en conf t interface range f0/1-2 switchport access vlan 10 switchport mode access no shut exit interface range f0/3-4 switchport access vlan 20 switchport mode access no shut exit interface f0/5 switchport mode trunk no shut exit exit wr
路由配置
en conf interface f0/0.10 encapsulation dot1Q 10 ip add 192.168.1.1 255.255.255.0 no shut exit interface f0/0.20 encapsulation dot1Q 20 ip add 192.168.3.1 255.255.255.0 no shut exit exit wr