CCNA视频：CCNP实验四：修改OSPF的本地管理距离

一：基本配置r1(config)#router ospf 1r1(config-router)#net 1.1.0.0 0.0.255.255 area 1r1(config-router)#net 12.1.1.1 0.0.0.0 area 0r1(config-router)#redistribute connected subnets r2(config)#router ospf 1r2(config-router)#net 12.1.1.2 0.0.0.0 area 0r2(config-router)#net 2.2.2.2 0.0.0.0 area 0r2(config-router)#net 23.1.1.1 0.0.0.0 area 2 r3(config)#router ospf 1r3(config-router)#net 0.0.0.0 255.255.255.255 area 2 r2#show ip ro os 1.0.0.0/32 is subnetted, 2 subnetsO IA 1.1.1.1 [110/65] via 12.1.1.1, 00:00:32, Serial1/0O IA 1.1.2.1 [110/65] via 12.1.1.1, 00:00:32, Serial1/0 3.0.0.0/32 is subnetted, 2 subnetsO 3.1.2.1 [110/65] via 23.1.1.2, 00:00:32, Serial1/1O 3.1.1.1 [110/65] via 23.1.1.2, 00:00:32, Serial1/1 10.0.0.0/24 is subnetted, 1 subnetsO E2 10.1.1.0 [110/20] via 12.1.1.1, 00:00:32, Serial1/0 30.0.0.0/32 is subnetted, 1 subnetsO 30.1.1.1 [110/65] via 23.1.1.2, 00:00:32, Serial1/1 二，修改本地所有路由的管理距离 r2(config)#router ospf 1r2(config-router)#distance 188 r2#show ip ro os 1.0.0.0/32 is subnetted, 2 subnetsO IA 1.1.1.1 [188/65] via 12.1.1.1, 00:00:04, Serial1/0O IA 1.1.2.1 [188/65] via 12.1.1.1, 00:00:04, Serial1/0 3.0.0.0/32 is subnetted, 2 subnetsO 3.1.2.1 [188/65] via 23.1.1.2, 00:00:04, Serial1/1O 3.1.1.1 [188/65] via 23.1.1.2, 00:00:04, Serial1/1 10.0.0.0/24 is subnetted, 1 subnetsO E2 10.1.1.0 [188/20] via 12.1.1.1, 00:00:04, Serial1/0 30.0.0.0/32 is subnetted, 1 subnetsO 30.1.1.1 [188/65] via 23.1.1.2, 00:00:04, Serial1/1