# start as bird -c bird_ospf.conf -s bird_na.socket -f log stderr all; protocol kernel { scan time 15; learn; persist; ipv4 { import all; export all; }; } protocol device { scan time 10; } protocol ospf { ipv4 { import all; export all; }; # only define a backbone area area 0.0.0.0 { interface "eth*" { cost 5; type broadcast; hello 5; retransmit 2; wait 10; dead 20; }; }; }