Cisco 单臂路由实验拓扑图:

wKioL1kc_iOzgUdYAABLhh3zdGo967.png


IOU1的配置如下:

interface Ethernet0/0
 no ip address
!
interface Ethernet0/0.1
 encapsulation dot1Q 10
 ip address 192.168.10.254 255.255.255.0
!
interface Ethernet0/0.2
 encapsulation dot1Q 20
 ip address 192.168.20.254 255.255.255.0


IOU2的配置信息如下:

interface Ethernet0/0
 switchport trunk allowed vlan 10,20
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface Ethernet0/1
 switchport access vlan 10
 switchport mode access
!
interface Ethernet0/2
 switchport access vlan 20
 switchport mode access


IOU3的配置信息如下:

interface Vlan1
 ip address 192.168.10.10 255.255.255.0
!
ip route 0.0.0.0 0.0.0.0 192.168.10.254


IOU4的配置信息如下:

!
interface Vlan1
 ip address 192.168.20.10 255.255.255.0
!
ip route 0.0.0.0 0.0.0.0 192.168.20.254