#classroom switches define host { use generic-host host_name bb-sw alias Backbone Switch address 192.0.2.12 parents bb-gw } define host { use generic-host host_name grp1-sw alias Group 1 Switch address 196.200.218.29 parents bb-rtr1 } define host { use generic-host host_name grp2-sw alias Group 2 Switch address 196.200.218.61 parents bb-rtr2 } define host { use generic-host host_name grp3-sw alias Group 3 Switch address 196.200.218.93 parents bb-rtr3 } define host { use generic-host host_name grp4-sw alias Group 4 Switch address 196.200.218.125 parents bb-rtr4 } define host { use generic-host host_name grp5-sw alias Group 5 Switch address 196.200.218.157 parents bb-rtr5 }