frr defaults traditional
hostname r1
log syslog informational
service integrated-vtysh-config
!
ip router-id 192.0.2.1
!
interface eth1
 ip address 192.0.2.1/32
 ip ospf area 0.0.0.0
 ip ospf dead-interval minimal hello-multiplier 4
 ip ospf network point-to-point
 ipv6 address 2001:db8::1/128
 ipv6 ospf6 area 0.0.0.0
 ipv6 ospf6 dead-interval 4
 ipv6 ospf6 hello-interval 1
 ipv6 ospf6 network point-to-point
exit
!
interface eth2
 ip address 192.0.2.1/32
 ip ospf area 0.0.0.0
 ip ospf dead-interval minimal hello-multiplier 4
 ip ospf network point-to-point
 ipv6 address 2001:db8::1/128
 ipv6 ospf6 area 0.0.0.0
 ipv6 ospf6 dead-interval 4
 ipv6 ospf6 hello-interval 1
 ipv6 ospf6 network point-to-point
exit
!
interface eth3
 ip address 192.0.2.1/32
 ip ospf area 0.0.0.0
 ip ospf dead-interval minimal hello-multiplier 4
 ip ospf network point-to-point
 ipv6 address 2001:db8::1/128
 ipv6 ospf6 area 0.0.0.0
 ipv6 ospf6 dead-interval 4
 ipv6 ospf6 hello-interval 1
 ipv6 ospf6 network point-to-point
exit
!
interface lo
 ip address 192.0.2.1/32
 ip ospf area 0.0.0.0
 ip ospf passive
 ipv6 address 2001:db8::1/128
 ipv6 ospf6 area 0.0.0.0
 ipv6 ospf6 passive
exit
!
router ospf
 log-adjacency-changes
exit
!
router ospf6
 log-adjacency-changes
exit
!
end