R2#sh run | b interface Loopback2
interface Loopback2
 ip address 202.2.2.2 255.255.252.0
 ip ospf network point-to-point
!
!
router ospf 1
 router-id 2.2.2.2
 log-adjacency-changes
 auto-cost reference-bandwidth 100000
 area 51 nssa no-summary
 area 200 virtual-link 3.3.3.3
 redistribute connected subnets
 network 22.22.22.22 0.0.0.0 area 51
 network 180.40.7.2 0.0.0.0 area 200
 network 180.40.7.65 0.0.0.0 area 0
 network 202.2.0.0 0.0.3.255 area 200
 network 208.28.1.3 0.0.0.0 area 200
 network 208.28.1.129 0.0.0.0 area 51
!