log file zebra.log ! hostname rt4 ! ! debug zebra kernel ! debug zebra packet ! debug zebra mpls ! interface lo ip address 4.4.4.4/32 ! interface eth-rt2-1 ip address 10.0.2.4/24 ! interface eth-rt2-2 ip address 10.0.3.4/24 ! interface eth-rt5 ip address 10.0.6.4/24 ! interface eth-rt6 ip address 10.0.7.4/24 ! ip forwarding ! line vty !