define host{ host_name host1 address 192.168.0.1 } define host{ host_name host2 address 192.168.0.2 } define host{ host_name host3 address 192.168.0.3 hostgroups servers } define hostgroup{ hostgroup_name servers } define serviceescalation{ host_name host3 service_description http check contact_groups all-escalation } define serviceescalation{ hostgroup_name servers service_description cpu contact_groups all-escalation } define service{ host_name host1,host2 service_description http check check_command check_http } define service{ host_name host1,host2 service_description cpu check_command check_load } define service{ host_name host3 service_description http check contact_groups all-page check_command check_http } define service{ hostgroup_name servers service_description cpu contact_groups all-page check_command check_load }