log file zebra.log ! hostname r1 ! ! debug zebra kernel ! debug zebra rib detailed ! debug zebra dplane detailed ! debug zebra nht ! interface lo ip address 1.1.1.1/32 ! interface r1-eth0 description to rt4 ip address 14.0.0.1/24 ! interface r1-eth1 description to rt3 ip address 13.0.0.1/24 ! ip forwarding ! line vty !