R1#sh run int s 0/0.1
Building configuration...

Current configuration : 165 bytes
!
interface Serial0/0.1 point-to-point
 ip address 208.28.1.1 255.255.255.248
 ip ospf network broadcast
 ip ospf priority 0
 frame-relay interface-dlci 103
end

R2#sh run int s 1/0.1
Building configuration...

Current configuration : 171 bytes
!
interface Serial1/0.1 multipoint
 ip address 208.28.1.3 255.255.255.248
 ip ospf network broadcast
 ip ospf priority 0
 frame-relay map ip 208.28.1.2 203 broadcast

R3#sh run int s 1/0
Building configuration...

Current configuration : 256 bytes
!
interface Serial1/0
 ip address 208.28.1.2 255.255.255.248
 encapsulation frame-relay
 ip split-horizon
 ip ospf network broadcast
 frame-relay map ip 208.28.1.1 301 broadcast
 frame-relay map ip 208.28.1.3 302 broadcast
 no frame-relay inverse-arp
end

R3#sh run | b router ospf
router ospf 1
 router-id 3.3.3.3
 log-adjacency-changes
 redistribute connected subnets
 network 208.28.1.2 0.0.0.0 area 200
!