OSPF特殊区域总结

一、拓扑图

二、实验目的

观察stub区域以及NSSA区域的路由以及默认路由是如何产生的

说明：不启动R1和R2，启动其他路由器

三、实验步骤

STUB：

1.将AREA1 配置成STUB区域，看STUB区域的配置以及LSA和默认路由的生成

在 R7上配置将RIP重分发到OSPF110，

router ospf 110

redistribute rip subnets

在R5上看路由表，结果显示有区域间的路由以及外部路由。区域间由用O IA 标识，外部路由用O E2标识

R5#show ip route ospf

34.0.0.0/24 is subnetted, 1 subnets

O IA 34.1.1.0 [110/74] via 35.1.1.3, 00:05:32, Serial0/1

3.0.0.0/32 is subnetted, 1 subnets

O IA 3.3.3.3 [110/65] via 35.1.1.3, 00:05:32, Serial0/1

36.0.0.0/24 is subnetted, 1 subnets

O IA 36.1.1.0 [110/128] via 35.1.1.3, 00:05:32, Serial0/1

6.0.0.0/32 is subnetted, 4 subnets

O IA 6.6.2.6 [110/129] via 35.1.1.3, 00:04:52, Serial0/1

O IA 6.6.3.6 [110/129] via 35.1.1.3, 00:04:42, Serial0/1

O IA 6.6.0.6 [110/129] via 35.1.1.3, 00:04:52, Serial0/1

O IA 6.6.1.6 [110/129] via 35.1.1.3, 00:04:52, Serial0/1

7.0.0.0/32 is subnetted, 1 subnets

O IA 7.7.7.7 [110/139] via 35.1.1.3, 00:04:19, Serial0/1

8.0.0.0/24 is subnetted, 4 subnets

O E2 8.8.0.0 [110/20] via 35.1.1.3, 00:00:39, Serial0/1

O E2 8.8.1.0 [110/20] via 35.1.1.3, 00:00:39, Serial0/1

O E2 8.8.2.0 [110/20] via 35.1.1.3, 00:00:39, Serial0/1

O E2 8.8.3.0 [110/20] via 35.1.1.3, 00:00:39, Serial0/1

78.0.0.0/24 is subnetted, 1 subnets

O E2 78.1.1.0 [110/20] via 35.1.1.3, 00:00:39, Serial0/1

47.0.0.0/24 is subnetted, 1 subnets

O IA 47.1.1.0 [110/138] via 35.1.1.3, 00:05:32, Serial0/1