hosts-inet: mgmt: server1: 10.0.0.1 switch-b1: 10.0.0.10 switch-b2: 10.0.0.11 switch-c1: 10.0.0.12 switch-d1: 10.0.0.13 core: server1: 172.20.72.1 serv-gw: 172.20.72.2 pub-gw: 172.20.72.3 priv1-gw: 172.20.72.4 priv2-gw: 172.20.72.5 upstream1: 172.20.72.6 anon1: 172.20.72.7 pub: pub-gw: 172.20.76.1 serv: serv-gw: 172.20.73.1