S5#sh run | b router router ospf 1 router-id 5.5.5.5 log-adjacency-changes area 51 nssa summary-address 217.57.0.0 255.255.0.0 summary-address 200.1.0.0 255.255.252.0 redistribute rip subnets tag 5 route-map prob7 network 208.28.1.0 0.0.0.255 area 51 distance 255 0.0.0.0 255.255.255.255 1 ! ! ip prefix-list Prob7 seq 5 permit 217.57.0.0/16 le 32 ! route-map prob7 permit 10 match ip address prefix-list Prob7 set metric-type type-1 ! route-map prob7 permit 20 ! !