hosts.cfg
define host {
        use                             generic-host
        host_name                       bugsbunny
        alias                           bugsbunny
        address                         192.168.3.5
        check_command                   check-host-alive
        max_check_attempts              10
        notification_interval           120
        notification_period             24x7
        notification_options            d,u,r
}


services.cfg
define service {
        use                             generic-service
        host_name                       bugsbunny
        service_description             Connectivity
        is_volatile                     0
        check_period                    24x7
        event_handler                   notify-by-mobile
        max_check_attempts              3
        normal_check_interval           5
        retry_check_interval            1
        contact_groups                  localhost-admins
        notification_interval           120
        notification_period             24x7
        notification_options            c,r
        check_command                   check_ping!100.0,20%!500.0,60%
}