frr version 7.5.1_git
frr defaults traditional
hostname router1
no ipv6 forwarding
!
interface eth1
 ip address 192.168.1.1/24
!
interface eth2
 ip address 192.168.2.1/24
!
interface eth3
 ip address 172.18.100.254/16
!
interface lo
 ip address 10.10.10.1/32
!
router ospf
 network 192.168.1.0/24 area 0.0.0.0
 network 192.168.2.0/24 area 0.0.0.0
 network 172.18.0.0/16 area 0.0.0.0
!
line vty
!