--- rt1: username: admin password: admin platform: cisco_c8000v hostname: 172.20.20.5 rt2: username: admin password: admin platform: cisco_c8000v hostname: 172.20.20.2 sw1: username: admin password: admin platform: cisco_iol hostname: 172.20.20.4 sw2: username: admin password: admin platform: cisco_iol hostname: 172.20.20.7 client1: username: password: platform: linux hostname: 172.20.20.8 client2: username: password: platform: linux hostname: 172.20.20.9 client3: username: password: platform: linux hostname: 172.20.20.6 client4: username: password: platform: linux hostname: 172.20.20.3