拓扑图:

命令:

R0:

int f 0/1

no shutdown

ip add 172.16.1.2 255.255.255.252

int f0/0

no shutdown

ip add 221.186.32.2 255.255.255.252

ex

router ospf 1

network 172.16.1.0 0.0.0.3 area 0

network 221.186.32.0 0.0.0.3 area 1

R1:

int f 0/1

no shutdown

ip add 172.16.1.1 255.255.255.252

int f 0/0

no shutdown

int f/0.1

encapsulation dot1Q 10

ip add 192.168.10.1 255.255.255.0

int f/0.2

encapsulation dot1Q 20

ip add 192.168.20.1 255.255.255.0

int f0/0.3

encapsulation dot1Q 255

ip add 192.168.255.1 255.255.255.0

ex

router ospf 1

network 192.168.0.0 0.0.255.255 area 0

network 172.16.1.0 0.0.0.3 area 0

R2:

int f 0/0

no shutdown

ip add 221.186.32.1 255.255.255.252

int f 0/1

no shutdown

ip add 172.16.2.1 255.255.255.0

ex

router ospf 1

network 221.186.32.0 0.0.0.3 area 1

network 172.16.2.0 0.0.0.255 area 1

sw1:

vlan 10

vlan 20

vlan 255

ex

int f 0/24

switchport mode trunk

switchport trunk allowed vlan 10,20,255

int f 0/1

switchport mode access

switchport access vlan 10

int f 0/11

switchport mode access

switchport access vlan 20

int f 0/21

switchport mode access

switchport access vlan 255

终端IP地址配置: