en
conf t
hostname R1
router ospf 1
 router-id 1.1.1.1
 network  192.168.1.1  0.0.0.0  area 0
 !! enable ospf on g0/3 & g0/0 interface with its ip address
 passive-interface g0/1
 passive-interafce g0/3
exit
do show run | section ospf
---------------------------------------------------------
en
conf t
hostname R2
router ospf 1
 router-id 2.2.2.2
 passive-interface g0/1
 passive-interafce g0/3
exit

int g0/0
 ip ospf 1 area 0
exit

!! now enable ospf on g0/1 and g0/3
do show ip ospf neighbor
do show ip route