log file zebra.log ! hostname rt6 ! ! debug zebra kernel ! debug zebra packet ! debug zebra mpls ! interface lo ip address 6.6.6.6/32 ipv6 address 2001:db8:1000::6/128 ! interface eth-rt4 ip address 10.0.7.6/24 ! interface eth-rt5 ip address 10.0.8.6/24 ! ip forwarding ! line vty !