[Nagios-users] Need high frequency ping checks

Todd Blum Fri, 20 Mar 2009 11:21:38 -0700

Hello,

        At my organization, our monitoring requirements for our client's WAN
interfaces is to ping them once per second.  I am using Nagios 2.10
(bundled with Groundwork VM 5.2.1).


        I have set interval_length to 1 in nagios.cfg.  Nagios starts to ping
once per second, but then stops for 20-25 seconds at a time before
resuming.  Is there any way to have Nagios ping evenly once per second?
I am attaching the nagios.cfg and copying the relevant portions of it
below.

Thanks for your help,

Todd

# SLEEP TIME
#sleep_time=1
sleep_time=1

# SERVICE INTER CHECK DELAY METHOD
#service_inter_check_delay_method=s
service_inter_check_delay_method=n

# MAX SERVICE CHECK SPREAD
max_service_check_spread=30

# SERVICE INTERLEAVE FACTOR
#service_interleave_factor=s
service_interleave_factor=1

# MAX CONCURRENT CHECKS
max_concurrent_checks=0

# SERVICE REAPER FREQUENCY
#service_reaper_frequency=10
service_reaper_frequency=1

# HOST INTER CHECK DELAY METHOD
#host_inter_check_delay_method=s
host_inter_check_delay_method=n

# MAX HOST CHECK SPREAD
max_host_check_spread=30

# INTERVAL LENGTH
#intevel_length=60
interval_length=1

# AUTO RESCHEDULE CHECKS
# auto_reschedule_checks=
auto_reschedule_checks=0

# AUTO RESCHEDULING INTERVAL
auto_rescheduling_interval=30

# AUTO RESCHEDULING WINDOW
auto_rescheduling_window=180

# USE AGRESSIVE HOST CHECKING
# use_agressive_host_checking=
#use_agressive_host_checking=1

# ENABLE FLAP DETECTION
# enable_flap_detection=

##########GROUNDWORK#############################################################################################
#GW
#GW     nagios.cfg generated 2009-03-17 13:04:14 by mbs from monarch.cgi nagios 
2.x
#GW
##########GROUNDWORK#############################################################################################

# LOG FILE
log_file=/usr/local/groundwork/nagios/var/nagios.log

# OBJECT CONFIGURATION FILE(S)
cfg_file=/usr/local/groundwork/nagios/etc/check_commands.cfg
cfg_file=/usr/local/groundwork/nagios/etc/contact_groups.cfg
cfg_file=/usr/local/groundwork/nagios/etc/contact_templates.cfg
cfg_file=/usr/local/groundwork/nagios/etc/contacts.cfg
cfg_file=/usr/local/groundwork/nagios/etc/escalation_templates.cfg
cfg_file=/usr/local/groundwork/nagios/etc/extended_host_info.cfg
cfg_file=/usr/local/groundwork/nagios/etc/extended_host_info_templates.cfg
cfg_file=/usr/local/groundwork/nagios/etc/extended_service_info.cfg
cfg_file=/usr/local/groundwork/nagios/etc/extended_service_info_templates.cfg
cfg_file=/usr/local/groundwork/nagios/etc/host_dependencies.cfg
cfg_file=/usr/local/groundwork/nagios/etc/host_escalations.cfg
cfg_file=/usr/local/groundwork/nagios/etc/host_templates.cfg
cfg_file=/usr/local/groundwork/nagios/etc/hostgroups.cfg
cfg_file=/usr/local/groundwork/nagios/etc/hosts.cfg
cfg_file=/usr/local/groundwork/nagios/etc/misccommands.cfg
cfg_file=/usr/local/groundwork/nagios/etc/service_dependencies.cfg
cfg_file=/usr/local/groundwork/nagios/etc/service_dependency_templates.cfg
cfg_file=/usr/local/groundwork/nagios/etc/service_escalations.cfg
cfg_file=/usr/local/groundwork/nagios/etc/service_groups.cfg
cfg_file=/usr/local/groundwork/nagios/etc/service_templates.cfg
cfg_file=/usr/local/groundwork/nagios/etc/services.cfg
cfg_file=/usr/local/groundwork/nagios/etc/time_periods.cfg

# OBJECT CACHE FILE
object_cache_file=/usr/local/groundwork/nagios/var/objects.cache

# RESOURCE FILE
resource_file=/usr/local/groundwork/nagios/etc/resource.cfg

# TEMP FILE
temp_file=/usr/local/groundwork/nagios/var/nagios.tmp

# STATUS FILE
status_file=/usr/local/groundwork/nagios/var/status.log

# AGGREGATE STATUS UPDATES
aggregate_status_updates=1

# STATUS UPDATE INTERVAL
status_update_interval=15

# NAGIOS USER
nagios_user=nagios

# NAGIOS GROUP
nagios_group=nagios

# ENABLE NOTIFICATIONS
enable_notifications=0

# EXECUTE SERVICE CHECKS
execute_service_checks=1

# ACCEPT PASSIVE SERVICE CHECKS
accept_passive_service_checks=1

# EXECUTE HOST CHECKS
execute_host_checks=1

# ACCEPT PASSIVE HOST CHECKS
accept_passive_host_checks=1

# ENABLE EVENT HANDLERS
enable_event_handlers=1

# LOG ROTATION METHOD
log_rotation_method=d

# LOG ARCHIVE PATH
log_archive_path=/usr/local/groundwork/nagios/var/archives

# CHECK EXTERNAL COMMANDS
check_external_commands=1

# COMMAND CHECK INTERVAL
command_check_interval=1

# COMMAND FILE
command_file=/usr/local/groundwork/nagios/var/spool/nagios.cmd

# DOWNTIME FILE
downtime_file=/usr/local/groundwork/nagios/var/nagiosdowntime.log

# COMMENT FILE
comment_file=/usr/local/groundwork/nagios/var/nagioscomment.log

# LOCK FILE
lock_file=/usr/local/groundwork/nagios/var/nagios.lock

# RETAIN STATE INFORMATION
retain_state_information=1

# STATE RETENTION FILE
state_retention_file=/usr/local/groundwork/nagios/var/nagiosstatus.sav

# RETENTION UPDATE INTERVAL
retention_update_interval=60

# USE RETAINED PROGRAM STATE
use_retained_program_state=1

# USE RETAINED SCHEDULING INFO
use_retained_scheduling_info=1

# USE SYSLOG
use_syslog=0

# LOG NOTIFICATIONS
log_notifications=1

# LOG SERVICE RETRIES
log_service_retries=1

# LOG HOST RETRIES
log_host_retries=1

# LOG EVENT HANDLERS
log_event_handlers=1

# LOG INITIAL STATES
log_initial_states=0

# LOG EXTERNAL COMMANDS
log_external_commands=1

# LOG PASSIVE CHECKS
log_passive_checks=1

# GLOBAL HOST EVENT HANDLER
# global_host_event_handler=

# GLOBAL SERVICE EVENT HANDLER
# global_service_event_handler=

# SLEEP TIME
#sleep_time=1
sleep_time=1

# SERVICE INTER CHECK DELAY METHOD
#service_inter_check_delay_method=s
service_inter_check_delay_method=n

# MAX SERVICE CHECK SPREAD
max_service_check_spread=30

# SERVICE INTERLEAVE FACTOR
#service_interleave_factor=s
service_interleave_factor=1

# MAX CONCURRENT CHECKS
max_concurrent_checks=0

# SERVICE REAPER FREQUENCY
#service_reaper_frequency=10
service_reaper_frequency=1

# HOST INTER CHECK DELAY METHOD
#host_inter_check_delay_method=s
host_inter_check_delay_method=n

# MAX HOST CHECK SPREAD
max_host_check_spread=30

# INTERVAL LENGTH
#intevel_length=60
interval_length=1

# AUTO RESCHEDULE CHECKS
# auto_reschedule_checks=
auto_reschedule_checks=0

# AUTO RESCHEDULING INTERVAL
auto_rescheduling_interval=30

# AUTO RESCHEDULING WINDOW
auto_rescheduling_window=180

# USE AGRESSIVE HOST CHECKING
# use_agressive_host_checking=
#use_agressive_host_checking=1

# ENABLE FLAP DETECTION
# enable_flap_detection=

# LOW SERVICE FLAP THRESHOLD
low_service_flap_threshold=25.0

# HIGH SERVICE FLAP THRESHOLD
high_service_flap_threshold=50.0

# LOW HOST FLAP THRESHOLD
low_host_flap_threshold=25.0

# HIGH HOST FLAP THRESHOLD
high_host_flap_threshold=50.0

# SOFT STATE DEPENDENCIES
# soft_state_dependencies=

# SERVICE CHECK TIMEOUT
service_check_timeout=60

# HOST CHECK TIMEOUT
host_check_timeout=30

# EVENT HANDLER TIMEOUT
event_handler_timeout=30

# NOTIFICATION TIMEOUT
notification_timeout=30

# OCSP TIMEOUT
ocsp_timeout=5

# OCHP TIMEOUT
ochp_timeout=5

# PERFDATA TIMEOUT
perfdata_timeout=60

# OBSESS OVER SERVICES
# obsess_over_services=

# OCSP COMMAND
# ocsp_command=

# OBSESS OVER HOSTS
# obsess_over_hosts=
obsess_over_hosts=1

# OCHP COMMAND
# ochp_command=

# PROCESS PERFORMANCE DATA
process_performance_data=1

# HOST PERFDATA COMMAND
# host_perfdata_command=

# SERVICE PERFDATA COMMAND
# service_perfdata_command=

# HOST PERFDATA FILE
# host_perfdata_file=

# SERVICE PERFDATA FILE
service_perfdata_file=/usr/local/groundwork/nagios/eventhandlers/service_perfdata.log

# HOST PERFDATA FILE TEMPLATE
# host_perfdata_file_template=

# SERVICE PERFDATA FILE TEMPLATE
service_perfdata_file_template=$LASTSERVICECHECK$\t$HOSTNAME$\t$SERVICEDESC$\t$SERVICEOUTPUT$\t$SERVICEPERFDATA$

# HOST PERFDATA FILE MODE
host_perfdata_file_mode=w

# SERVICE PERFDATA FILE MODE
service_perfdata_file_mode=w

# HOST PERFDATA FILE PROCESSING INTERVAL
# host_perfdata_file_processing_interval=

# SERVICE PERFDATA FILE PROCESSING INTERVAL
service_perfdata_file_processing_interval=300

# HOST PERFDATA FILE PROCESSING COMMAND
# host_perfdata_file_processing_command=

# SERVICE PERFDATA FILE PROCESSING COMMAND
service_perfdata_file_processing_command=process_service_perfdata_file

# CHECK FOR ORPHANED SERVICES
check_for_orphaned_services=1

# CHECK SERVICE FRESHNESS
check_service_freshness=0

# FRESHNESS CHECK INTERVAL
freshness_check_interval=60

# CHECK HOST FRESHNESS
check_host_freshness=0

# HOST FRESHNESS CHECK INTERVAL
host_freshness_check_interval=60

# EVENT BROKER OPTIONS
# event_broker_options=

# BROKER MODULE
# broker_module=

# DATE FORMAT
date_format=us

# ILLEGAL OBJECT NAME CHARS
illegal_object_name_chars=`~!$%^&*|'"<>?,()'=

# ILLEGAL MACRO OUTPUT CHARS
illegal_macro_output_chars=`~$&|'"<>

# ADMIN EMAIL
admin_email=nag...@localhost

# ADMIN PAGER
admin_pager=pagenag...@localhost

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[Nagios-users] Need high frequency ping checks

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