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
