Infrataster::Server.define( :app, '172.16.33.11', vagrant: true, from: :proxy ) Infrataster::Server.define( :db, '172.16.33.12', vagrant: true, from: :app, # access from app server mysql: {user: 'app', password: 'app'} ) VM Host Proxy App 172.16.33.11 DB 172.16.33.12 *OGSB UBTUFS SSH Port Forwarding