configure
!
frr version 10.1
frr defaults traditional
hostname R100
log syslog informational
service integrated-vtysh-config
!
interface eth0
 ip address 10.0.0.7/31
 ip ospf area 0
 ip ospf network point-to-point
exit
!
interface lo
 ip address 10.255.255.100/32
 ip ospf area 0
 ip ospf passive
exit
!
router ospf
 ospf router-id 10.255.255.100
exit
!
end