R2(config-router)# router eigrp 100
R2(config-router)# redistribute ospf 1 metric 100000 1000 255 1 1500
R1#show ip route eigrp
3.0.0.0/32 is subnetted, 1 subnets
D EX 3.3.3.3 [170/2425856] via 12.0.0.2, 00:00:44, Serial0/0
23.0.0.0/24 is subnetted, 1 subnets
D EX 23.0.0.0 [170/2425856] via 12.0.0.2, 00:00:44, Serial0/0