部署OSPF多区域

4321oiuy

使用路由器的Loopback接口模拟主机地址，
    R1的主机网段地址：192.168.0.0/24，192.168.1.0/24
    R2的主机网段地址：192.168.2.0/24
    R3的主机网段地址：192.168.3.0/24
    R4的主机网段地址：192.168.4.0/24
    R5的主机网段地址：192.168.5.0/24
    R6的主机网段地址：192.168.8.0/24，192.168.9.0/24，192.168.10.0/24，192.168.11.0/24

R1(config)#interface fastEthernet 1/0
R1(config-if)#ip address 10.0.0.1 255.255.255.252
R1(config-if)#no shutdown
R1(config-if)#exit
R1(config)#interface fastEthernet 0/0
R1(config-if)#ip address 10.0.0.5 255.255.255.252
R1(config-if)#no shutdown
R1(config-if)#exit
R1(config)#interface loopback 0
R1(config-if)#ip address 1.1.1.1 255.255.255.255
R1(config-if)#exit
R1(config)#interface loopback 1
R1(config-if)#ip address 192.168.0.1 255.255.255.0
R1(config-if)#exit
R1(config)#interface loopback 2
R1(config-if)#ip address 192.168.1.1 255.255.255.0
R1(config-if)#exit

R2(config)#interface fastEthernet 0/0
R2(config-if)#ip address 10.0.0.9 255.255.255.252
R2(config-if)#no shutdown
R2(config-if)#exit
R2(config)#interface fastEthernet 1/0
R2(config-if)#ip address 10.0.0.2 255.255.255.252
R2(config-if)#no shutdown
R2(config-if)#exit
R2(config)#interface loopback 0
R2(config-if)#ip address 2.2.2.2 255.255.255.255
R2(config-if)#exit
R2(config)#interface loopback 1
R2(config-if)#ip address 192.168.2.1 255.255.255.0
R2(config-if)#exit

R3(config)#interface fastEthernet 0/0
R3(config-if)#ip address 10.0.0.10 255.255.255.252
R3(config-if)#no shutdown
R3(config-if)#exit
R3(config)#interface fastEthernet 1/0
R3(config-if)#ip address 10.0.0.13 255.255.255.252
R3(config-if)#no shutdown
R3(config-if)#exit
R3(config)#interface loopback 0
R3(config-if)#ip address 3.3.3.3 255.255.255.255
R3(config-if)#exit
R3(config)#interface loopback 1
R3(config-if)#ip address 192.168.3.1 255.255.255.0
R3(config-if)#exit

R4(config)#interface fastEthernet 0/0
R4(config-if)#ip address 10.0.0.14 255.255.255.252
R4(config-if)#no shutdown
R4(config-if)#exit
R4(config)#interface loopback 0
R4(config-if)#ip address 4.4.4.4 255.255.255.255
R4(config-if)#exit
R4(config)#interface loopback 1
R4(config-if)#ip address 192.168.4.1 255.255.255.0
R4(config-if)#exit

R5(config)#interface fastEthernet 0/0
R5(config-if)#ip address 10.0.0.6 255.255.255.252
R5(config-if)#no shutdown
R5(config-if)#exit
R5(config)#interface fastEthernet 1/0
R5(config-if)#ip address 10.0.0.17 255.255.255.252
R5(config-if)#no shutdown
R5(config-if)#exit
R5(config)#interface loopback 0
R5(config-if)#ip address 5.5.5.5 255.255.255.255
R5(config-if)#exit
R5(config)#interface loopback 1
R5(config-if)#ip address 192.168.5.1 255.255.255.0
R5(config-if)#exit

R6(config)#interface fastEthernet 0/0
R6(config-if)#ip address 10.0.0.18 255.255.255.252
R6(config-if)#no shutdown
R6(config-if)#exit
R6(config)#interface loopback 0
R6(config-if)#ip address 192.168.8.1 255.255.255.0
R6(config-if)#exit
R6(config)#interface loopback 1
R6(config-if)#ip address 192.168.9.1 255.255.255.0
R6(config-if)#exit
R6(config)#interface loopback 2
R6(config-if)#ip address 192.168.10.1 255.255.255.0
R6(config-if)#exit
R6(config)#interface loopback 3
R6(config-if)#ip address 192.168.11.1 255.255.255.0
R6(config-if)#exit

R1(config)#router ospf 10
R1(config-router)#router-id 1.1.1.1
R1(config-router)#network 1.1.1.1 0.0.0.0 area 1
R1(config-router)#network 10.0.0.0 0.0.0.3 area 0
R1(config-router)#network 10.0.0.4 0.0.0.3 area 1
R1(config-router)#network 192.168.0.0 0.0.0.255 area 0
R1(config-router)#network 192.168.1.0 0.0.0.255 area 0
R1(config-router)#exit

R2(config)#router ospf 10
R2(config-router)#router-id 2.2.2.2
R2(config-router)#network 2.2.2.2 0.0.0.0 area 0
R2(config-router)#network 10.0.0.0 0.0.0.3 area 0
R2(config-router)#network 10.0.0.8 0.0.0.3 area 2
R2(config-router)#network 192.168.2.0 0.0.0.255 area 2
R2(config-router)#exit

R3(config)#router ospf 10
R3(config-router)#router-id 3.3.3.3
R3(config-router)#network 3.3.3.3 0.0.0.0 area 2
R3(config-router)#network 10.0.0.8 0.0.0.3 area 2
R3(config-router)#network 10.0.0.12 0.0.0.3 area 3
R3(config-router)#network 192.168.3.0 0.0.0.255 area 3
R3(config-router)#exit

R4(config)#router ospf 10
R4(config-router)#router-id 4.4.4.4
R4(config-router)#network 4.4.4.4 0.0.0.0 area 3
R4(config-router)#network 10.0.0.12 0.0.0.3 area 3
R4(config-router)#network 192.168.4.0 0.0.0.255 area 3
R4(config-router)#exit

R5(config)#router ospf 10
R5(config-router)#router-id 5.5.5.5
R5(config-router)#network 5.5.5.5 0.0.0.0 area 1
R5(config-router)#network 10.0.0.4 0.0.0.3 area 1
R5(config-router)#network 192.168.5.0 0.0.0.255 area 1
R5(config-router)#exit

R3(config-router)#area 3 stub no-summary
R4(config-router)#area 3 stub no-summary

R2(config-router)#area 2 virtual-link 3.3.3.3
R3(config-router)#area 2 virtual-link 2.2.2.2

R5(config-router)#area 1 nssa
R1(config-router)#area 1 nssa

R5(config-router)#redistribute static subnets
R5(config-router)#default-information originate
R5(config-router)#redistribute connected subnets

R6(config)#ip route 0.0.0.0 0.0.0.0 10.0.0.17

R5(config)#ip route 192.168.8.0 255.255.248.0 10.0.0.18
R5(config-router)#summary-address 192.168.8.0 255.255.248.0
R1(config-router)#area 0 range 192.168.0.0 255.255.252.0


R4(config-router)#do ping 192.168.9.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.9.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 152/192/248 ms