en
conf t

line con 0
 exec-timeout 0 0
 logging synchronous

hostname bb_r1

interface FastEthernet3/0            
 ip address 90.0.0.1 255.255.255.0
 no shutdown 

interface Serial0/0
 ip address 172.16.1.114 255.255.255.240
 no shutdown

router ospf 200
 network 172.16.1.0 0.0.0.255 area 0

end