拓扑图

基本配置

[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip add 10.0.13.1 24
[R1-GigabitEthernet0/0/0]int g0/0/1
[R1-GigabitEthernet0/0/1]ip add 10.0.12.1 24
[R1]int LoopBack 0
[R1-LoopBack0]ip address 1.1.1.1 32

[R1-GigabitEthernet0/0/1]int g0/0/2
[R1-GigabitEthernet0/0/2]ip add 192.168.10.100 24
[R1-GigabitEthernet0/0/2]quit
[R1]ip route-static 0.0.0.0 0 192.168.124.1


[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 10.0.12.2 24
[R2-GigabitEthernet0/0/0]int g0/0/1
[R2-GigabitEthernet0/0/1]ip add 10.0.23.2 24
[R2-GigabitEthernet0/0/1]int lo0
[R2-LoopBack0]ip add 2.2.2.2 32

[R3]int g0/0/0
[R3-GigabitEthernet0/0/0]ip add 10.0.13.3 24
[R3-GigabitEthernet0/0/0]int g0/0/1
[R3-GigabitEthernet0/0/1]ip add 10.0.23.3 24
[R3-GigabitEthernet0/0/1]int lo0
[R3-LoopBack0]ip add 3.3.3.3 32
[R3-LoopBack0]int g0/0/2
[R3-GigabitEthernet0/0/2]ip add 192.168.1.1 24

VPCS_4> ip 192.168.1.2/24 192.168.1.1
VPCS_4> ip dns 8.8.8.8
VPCS_4> show ip
VPCS_4> save

配置ospf

[R1]ospf 1
[R1-ospf-1]area 0
[R1-ospf-1-area-0.0.0.0]network 10.0.12.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 10.0.13.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0
[R1-ospf-1-area-0.0.0.0]quit
[R1-ospf-1]default-route-advertise
[R1-ospf-1]silent-interface g0/0/2
[R1-ospf-1]silent-interface LoopBack 0

[R2]ospf 1
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 10.0.12.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 10.0.23.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
[R2-ospf-1]silent-interface LoopBack 0

[R3]  ospf 1
[R3-ospf-1]silent-interface g0/0/2
[R3-ospf-1]silent-interface LoopBack 0
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 10.0.13.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 10.0.23.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0
[R3-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255

测试网络连通性

ping 192.168.10.1

[R1-GigabitEthernet0/0/2]nat outbound
VPCS_4> ping 8.8.8.8
VPCS_4> ping loc.changgle.top

查看路由和ospf信息

[R3]display ip routing-table
[R3]display ospf peer
[R3]display ospf routing