log file zebra.log ! hostname rt4 ! debug zebra kernel debug zebra packet debug zebra mpls ! interface lo ip address 4.4.4.4/32 ipv6 address 2001:db8:1000::4/128 ! 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 !