log file zebra.log hostname r3 password zebra ! interface lo ip address 3.3.3.3/32 ! interface r3-eth0 description to sw1 ip address 10.0.2.3/24 no link-detect ! interface r3-eth1 description to sw2 ip address 10.0.3.3/24 no link-detect ! interface r3-eth4 description to ce2 ip address 192.168.1.1/24 no link-detect ! ! ip forwarding ! ! line vty !