Warning time in seconds (4 hours)
Critical time in seconds (1 hour)

define service{
        use                             generic-service
        hostgroup_name                  myhostgroup
        service_description             System Uptime
        is_volatile                     0
        check_period                    24x7
        max_check_attempts              3
        normal_check_interval           5
        retry_check_interval            1
        contact_groups                  mysupport
        process_perf_data               1
        notification_interval           240
        notification_period             24x7
        notification_options            w,u,c,r
        check_command                   check_snmp_uptime!public!14400!3600
}

# comment Comunity, process
define command {
        command_name check_snmp_uptime
        command_line $USER1$/check_snmp_uptime.pl -H $HOSTADDRESS$ -C $ARG1$ -w $ARG2$ -c $ARG3$
        }