vyos@vyos# set interfaces tunnel tun0 ip ospf network broadcast
vyos@vyos# set protocols ospf area 0.0.0.0 network 172.16.0.0/24
vyos@vyos# set protocols ospf area 0.0.0.0 network 192.168.2.0/24
vyos@VyOS# set protocols ospf passive-interface eth1.200
vyos@VyOS# set protocols ospf passive-interface eth1.400
vyos@vyos# commit
vyos@vyos# save