log file zebra.log ! hostname rt2 ! ! debug zebra kernel ! debug zebra packet ! debug zebra mpls ! interface lo ip address 10.0.255.2/32 ipv6 address 2001:db8::2/128 ! interface eth-rt1 ip address 10.0.255.2/32 ! interface eth-rt4 ip address 10.0.255.2/32 ! ip forwarding ! line vty !