OSPF和EIGRP双点双向路由重发布

实验目标：

1.R1、R2和R3均采用EIGRP 100；

2.R2、R4采用OSPF 98 Area 24；

3.R3、R4采用OSPF 98 Area 34；

4.R4的Loopback0为OSPF 98 Area 0。

5.现需从R1到到R4的Loopback0优先路径为R1->R2->R3->R4，当R3挂死后，R1去到R4的路径为R1->R2->R4。

R1:
interface FastEthernet0/0
 ip address 192.168.12.1 255.255.255.0
router eigrp 100
 network 192.168.12.0

R2:
interface FastEthernet0/0
 ip address 192.168.12.2 255.255.255.0
interface Serial0/0
 ip address 192.168.24.2 255.255.255.0
interface FastEthernet0/1
 ip address 192.168.23.2 255.255.255.0
router eigrp 100
 redistribute ospf 98 metric 100000 10 255 1 1500
 network 192.168.12.0
 network 192.168.23.0
 distance eigrp 90 90
router ospf 98
 router-id 2.2.2.2
 log-adjacency-changes
 redistribute eigrp 100 subnets
 network 192.168.24.0 0.0.0.255 area 24

R3:
interface FastEthernet0/1
 ip address 192.168.23.3 255.255.255.0
interface Serial0/1
 ip address 192.168.34.3 255.255.255.0
router eigrp 100
 redistribute ospf 98 metric 100000 10 255 1 1500
 network 192.168.23.0
router ospf 98
 router-id 3.3.3.3
 log-adjacency-changes
 redistribute eigrp 100 subnets
 network 192.168.34.0 0.0.0.255 area 34

R4:
interface Loopback0
 ip address 172.16.100.1 255.255.255.0
interface Serial0/0
 ip address 192.168.24.4 255.255.255.0
interface Serial0/1
 ip address 192.168.34.4 255.255.255.0
router ospf 98
 router-id 4.4.4.4
 log-adjacency-changes
 network 172.16.100.0 0.0.0.255 area 0
 network 192.168.24.0 0.0.0.255 area 24
 network 192.168.34.0 0.0.0.255 area 34