See the solution below in Explanation:
Solution:
R30
Config t
router ospf 100
router-id 10.0.1.30
int ran lo0 , e0/0-1
ip ospf 100 a 0
exit
int et0/2
ip ospf 100 a 50
router ospf 30
area 50 range 10.10.0.0 255.255.192.0
area 50 range 10.50.0.0 255.255.192.0
end
wr
Submit