18、OSPF配置实验之域间汇总和域外汇总

1、域间汇总、域×××总解析

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2、实验拓扑

3、实验配置

R1配置

interface Loopback0

 ip address 1.1.1.1 255.255.255.0

interface Serial0/0

 ip address 12.1.1.1 255.255.255.0

interface FastEthernet1/0

 ip address 120.1.1.1 255.255.255.0

router 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 2.2.2.2 255.255.255.0

interface Serial0/0

 ip address 12.1.1.2 255.255.255.0

interface Serial0/1

 ip address 23.1.1.2 255.255.255.0

interface FastEthernet1/0

 ip address 120.1.1.2 255.255.255.0

router 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 3.3.3.3 255.255.255.0

interface Serial0/0

 ip address 34.1.1.3 255.255.255.0

interface Serial0/1

 ip address 23.1.1.3 255.255.255.0

router 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 1

router rip

 version 2

 network 34.0.0.0

 no auto-summary

R4配置

interface Loopback0

 ip address 4.4.4.4 255.255.255.0

interface Serial0/0

 ip address 34.1.1.4 255.255.255.0

router 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Area1

1o16:192.168.16.1/24

1o17:192.168.17.1/24

1o18:192.168.18.1/24

1o19:192.168.19.1/24

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×××总

在R4上建立四个环回口，并宣告进RIP

1o16:10.10.16.1/24

1o17:10.10.17.1/24

1o18:10.10.18.1/24

1o19:10.10.19.1/24

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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