frr defaults traditional
hostname e
log file /tmp/ospfd.log
!
interface lo
 ip address 10.205.0.5/32
!
! hacia c
interface eth1
 ip address 10.205.35.2/30
 ip ospf network point-to-point
 ip ospf cost 5
!
! hacia d
interface eth2
 ip address 10.205.45.2/30
 ip ospf network point-to-point
 ip ospf cost 1
!
! hacia f
interface eth3
 ip address 10.205.56.1/30
 ip ospf network point-to-point
 ip ospf cost 2
!
router ospf
 ospf router-id 10.205.0.5
 log-adjacency-changes detail
 network 10.205.0.0/16 area 0