log file zebra.log hostname r4 password zebra ! interface lo ip address 4.4.4.4/32 ! interface r4-eth0 description to sw1 ip address 10.0.2.4/24 no link-detect ! interface r4-eth4 description to ce3 ip address 192.168.1.1/24 no link-detect ! interface r4-eth5 description to ce4 ip address 192.168.2.1/24 no link-detect ! ! ip forwarding ! line vty !