log file zebra.log ! hostname rt3 ! ! debug zebra kernel ! debug zebra packet ! debug zebra mpls ! interface lo ip address 10.0.255.3/32 ipv6 address 2001:db8::3/128 ! interface eth-rt1 ip address 10.0.255.3/32 ! interface eth-rt5 ip address 10.0.255.3/32 ! ip forwarding ! line vty !