Ospf路由重分部到rip Route3为自制系统路由协议ASBR，通过Route0进行路由重分布，Route0、Route1、Route2为骨干区域area0.网段划分：Route0-route1 172.16.0.0/24Route1-route2 172.16.1.0/24Route0-route2 172.16.2.0/
Route3为自制系统路由协议ASBR，通过Route0进行路由重分布，Route0、Route1、Route2为骨干区域area0. 网段划分： Route0-route1 172.16.0.0/24 Route1-route2 172.16.1.0/24 Route0-route2 172.16.2.0/24 Route3-route0 10.0.0.0/24 Route0配置： 基本借口配置： Int f0/0 ip add 172.16.0.1 255.255.255.0 No shut(此命令在配置中只显示一次) Int f0/1 ip add 10.0.0.2 255.255.255.0 Int f1/0 ip add 172.16.2.1 255.255.255.0 Ospf配置： Conf)router ospf 100 Net 172.16.0.0 0.0.0.255 area 0 Net 172.16.2.0 0.0.0.255 area 0 Net 10.0.0.0 0.0.0.255 area 0 Route 1和Route 2配置类似，在此不再显示。 接下来配置Route 3 Rip路由器： 基本接口配置： Int f0/0 ip add 192.168.0.1 255.255.255.0 Int f0/1 ip add 10.0.0.1 255.255.255.0 重分部Ospf配置： Conf)router ospf 20 Net 172.16.0.0 0.0.0.255 area 0 Net 172.16.2.0 0.0.0.255 area 0 Redistribute rip subents 路由重分部到Rip： Conf)route rip Version 2 Net 10.0.0.0 Net 192.168.0.0 添加一条到ASBR路由器的默认路由： Conf)ip route 0.0.0.0 0.0.0.0 10.0.0.0.2 _______________________________ 配置信息： R0： Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set 10.0.0.0/24 is subnetted, 1 subnets C 10.0.0.0 is directly connected, FastEthernet0/1 172.16.0.0/24 is subnetted, 3 subnets C 172.16.0.0 is directly connected, FastEthernet0/0 O 172.16.1.0 [110/2] via 172.16.0.2, 01:17:50, FastEthernet0/0 C 172.16.2.0 is directly connected, Ethernet1/0 ___________________ show ip ospf int FastEthernet0/0 is up, line protocol is up Internet address is 172.16.0.1/24, Area 0 Process ID 100, Router ID 172.16.2.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 172.16.2.1, Interface address 172.16.0.1 Backup Designated Router (ID) 172.16.1.1, Interface address 172.16.0.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 172.16.1.1 (Backup Designated Router) Suppress hello for 0 neighbor(s) Ethernet1/0 is up, line protocol is up Internet address is 172.16.2.1/24, Area 0 Process ID 100, Router ID 172.16.2.1, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 172.16.2.1, Interface address 172.16.2.1 Backup Designated Router (ID) 172.16.2.2, Interface address 172.16.2.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 172.16.2.2 (Backup Designated Router) Suppress hello for 0 neighbor(s) FastEthernet0/1 is up, line protocol is up Internet address is 10.0.0.2/24, Area 0 Process ID 100, Router ID 172.16.2.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 172.16.2.1, Interface address 10.0.0.2 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Index 3/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) _________________________ R1： ____________________Show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set 10.0.0.0/24 is subnetted, 1 subnets O 10.0.0.0 [110/2] via 172.16.0.1, 00:48:00, FastEthernet0/0 172.16.0.0/24 is subnetted, 3 subnets C 172.16.0.0 is directly connected, FastEthernet0/0 C 172.16.1.0 is directly connected, FastEthernet0/1 O 172.16.2.0 [110/11] via 172.16.0.1, 01:26:34, FastEthernet0/0 [110/11] via 172.16.1.2, 01:25:27, FastEthernet0/1 ____________________show ip ospf int FastEthernet0/0 is up, line protocol is up Internet address is 172.16.0.2/24, Area 0 Process ID 200, Router ID 172.16.1.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 172.16.2.1, Interface address 172.16.0.1 Backup Designated Router (ID) 172.16.1.1, Interface address 172.16.0.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:04 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 172.16.2.1 (Designated Router) Suppress hello for 0 neighbor(s) FastEthernet0/1 is up, line protocol is up Internet address is 172.16.1.1/24, Area 0 Process ID 200, Router ID 172.16.1.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 172.16.1.1, Interface address 172.16.1.1 Backup Designated Router (ID) 172.16.2.2, Interface address 172.16.1.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:04 Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 172.16.2.2 (Backup Designated Router) Suppress hello for 0 neighbor(s) _________________________ R3： __________________show ip route 10.0.0.0/24 is subnetted, 1 subnets C 10.0.0.0 is directly connected, FastEthernet0/1 S* 0.0.0.0/0 [1/0] via 10.0.0.2 _______________show ip ospf Routing Process "ospf 20" with ID 192.168.0.1 Supports only single TOS(TOS0) routes Supports opaque LSA It is an area border router SPF schedule delay 5 secs, Hold time between two SPFs 10 secs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs Number of external LSA 2. Checksum Sum 0x013118 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 2. 2 normal 0 stub 0 nssa External flood list length 0 Area BACKBONE(0) (Inactive) Number of interfaces in this area is 0 Area has no authentication SPF algorithm executed 2 times Area ranges are Number of LSA 1. Checksum Sum 0x00feff Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 0 Flood list length 0
