Modify the time file：
# vi /etc/nagios/objects/timeperiods.cfg# 'workhours' timeperiod definitiondefine timeperiod{ timeperiod_name workhours alias Normal Work Hours monday 08:30-15:30,20:30-24:00 tuesday 00:00-03:00,08:30-15:30,20:30-24:00 wednesday 00:00-03:00,08:30-15:30,20:30-24:00 thursday 00:00-03:00,08:30-15:30,20:30-24:00 friday 00:00-03:00,08:30-15:30,20:30-24:00 } Modify the template file：# vi /etc/nagios/objects/templates.cfg define service{ name generic-Flows active_checks_enabled 1 passive_checks_enabled 1 parallelize_check 1 obsess_over_service 1 check_freshness 0 notifications_enabled 1 event_handler_enabled 1 flap_detection_enabled 1 failure_prediction_enabled 1 process_perf_data 1 retain_status_information 1 retain_nonstatus_information 1 is_volatile 0 check_period workhours max_check_attempts 3 normal_check_interval 3 retry_check_interval 2 contact_groups Network notification_options w,u,c,r notification_interval 60 notification_period workhours register 0 } Modify the hosts file to be monitored：# vi /etc/nagios/Juniper/CTFirewall.cfg define service{ use srv-pnp,generic-Flows host_name CTFirewall service_description ethernet0/0-Flow check_command check_snmp!-C Firewall -P 2c -o ifInOctets.1 } Grammar Checker&&Restart：# /usr/local/nagios/bin/nagios -v /etc/nagios/nagios.cfg# service nagios restart