18、OSPF配置实验之域间汇总和域外汇总

1、域间汇总、域外汇总解析


2、实验拓扑


3、实验配置R1配置interface Loopback0 ip address 1.1.1.1 255.255.255.0interface Serial0/0 ip address 12.1.1.1 255.255.255.0interface FastEthernet1/0 ip address 120.1.1.1 255.255.255.0router ospf 110 router-id 8.8.8.1 network 1.1.1.0 0.0.0.255 area 0 network 12.1.1.0 0.0.0.255 area 0 network 120.1.1.0 0.0.0.255 area 0
R2配置interface Loopback0 ip address 2.2.2.2 255.255.255.0interface Serial0/0 ip address 12.1.1.2 255.255.255.0interface Serial0/1 ip address 23.1.1.2 255.255.255.0interface FastEthernet1/0 ip address 120.1.1.2 255.255.255.0router ospf 110 router-id 8.8.8.2 network 2.2.2.0 0.0.0.255 area 0 network 12.1.1.0 0.0.0.255 area 0 network 23.1.1.0 0.0.0.255 area 1 network 120.1.1.0 0.0.0.255 area 0
R3配置interface Loopback0 ip address 3.3.3.3 255.255.255.0interface Serial0/0 ip address 34.1.1.3 255.255.255.0interface Serial0/1 ip address 23.1.1.3 255.255.255.0router ospf 110 router-id 8.8.8.3 redistribute rip subnets network 3.3.3.0 0.0.0.255 area 1 network 23.1.1.0 0.0.0.255 area 1router rip version 2 network 34.0.0.0 no auto-summary
R4配置interface Loopback0 ip address 4.4.4.4 255.255.255.0interface Serial0/0 ip address 34.1.1.4 255.255.255.0router rip version 2 network 4.0.0.0 network 34.0.0.0 no auto-summary
4、域间汇总在R3上建立四个环回口，并宣告进Area11o16:192.168.16.1/24
1o17:192.168.17.1/241o18:192.168.18.1/241o19:192.168.19.1/24
R3配置interface Loopback16
ip address 192.168.16.1 255.255.255.0
interface Loopback17
ip address 192.168.17.1 255.255.255.0
interface Loopback18
ip address 192.168.18.1 255.255.255.0
interface Loopback19
ip address 192.168.19.1 255.255.255.0
router ospf 110
router-id 8.8.8.3
network 192.168.16.0 0.0.0.255 area 1
network 192.168.17.0 0.0.0.255 area 1
network 192.168.18.0 0.0.0.255 area 1
network 192.168.19.0 0.0.0.255 area 1


此时R1收到的是4条明细路由，我们在R2上做域间汇总。
注：域间汇总要在本局域内的所有ABR上进行汇总。







5、域外汇总
在R4上建立四个环回口，并宣告进RIP1o16:10.10.16.1/24
1o17:10.10.17.1/241o18:10.10.18.1/241o19:10.10.19.1/24

R4配置
interface Loopback16
ip address 10.10.16.1 255.255.255.0
interface Loopback17
ip address 10.10.17.1 255.255.255.0
interface Loopback18
ip address 10.10.18.1 255.255.255.0
interface Loopback19
ip address 10.10.19.1 255.255.255.0
router rip
network 10.0.0.0

汇总前


汇总后







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