check_snmp CPU Load strange result

[Subhendu Ghosh]

Please post the version of the plugin/os/net-snmp

check_snmp treats bare numbers in warning and critical as upper bounds, so 
-w'60,69'  is interpreted as warn on 0-60 for the first and 0-69 for the 
second...

-sg

On Mon, 2 Dec 2002, Pascal Wessel wrote:

> Nagios gives me warning when snmp_check 'ing for Cisco 3640 CPU load /
> IOS is (C3640-IK9O3S-M), Version 12.2(10a) but the CPU load is below my
> Warning threshold.
> 
> When launched from the command-line with verbose output:
> 
> [libexec]# ./check_snmp -v -t 10 -H 192.168.1.1 -o
> .1.3.6.1.4.1.9.2.1.57.0,.1.3.6.1.4.1.9.2.1.58.0 -C publicro -w '60,69',
> -c
>  '70,80' -l 'CPU usage 1min/5min' -D ' / '
> /usr/bin/snmpget -m ALL -v 1 -c publicro 192.168.1.1:161
> .1.3.6.1.4.1.9.2.1.57.0 .1.3.6.1.4.1.9.2.1.58.0
> enterprises.9.2.1.57.0 = 4
> enterprises.9.2.1.58.0 = 3
> 
> CPU usage 1min/5min WARNING - *4* / *3*
> 
> As you can see.. (and if I understood the syntax)
> Warning status should be triggered when the CPU load is between 60 and
> 69%
> Critical status should be triggered when the router CPU is between 70 to
> 80%
> 
> #----
> My question is: why this check reports WARNING as my router CPU load (4%
> last minute and 3% last 5 min) is below the WARNING threshold ?
> #----
> 
> My Nagios system installation is as follows:
> 
> System Intel i686, Mandrake 9.0, Kernel 2.4.19-16
> NAGIOS: Nagios 1.0b6 
> Plugins: nagios-plugins-200211131100
> Check_snmp: Revision: 1.17
> SNMP:
> 	libsnmp0-4.2.3-4mdk
> 	ucd-snmp-4.2.3-4mdk
> 	ucd-snmp-utils-4.2.3-4mdk
> 
> Below a snip of my "cfg file
> 
> #--- hosts.cfg for myrouter
> 
> define host {
> name                           		generic-host     
> notifications_enabled          	1                ; Host notifications
> are enabled
> event_handler_enabled          	1                ; Host event handler is
> enabled
> flap_detection_enabled         	1                ; Flap detection is
> enabled
> process_perf_data              	1                ; Process performance
> data
> retain_status_information      	1                ; Retain status
> information across program restarts
> retain_nonstatus_information   	1                ; Retain non-status
> information across program restarts
> max_check_attempts             	10
> register                       0                ; DONT REGISTER THIS
> DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
> }
> 
> define host {
> use                            		generic-host             ; Name
> of host template to use
> host_name                      	myrouter
> alias                          		Router Gva Coulou -6
> address                        		192.168.1.1
> check_command                  	check-host-alive
> notification_interval          	60
> notification_period            	24x7
> notification_options          	d,u,r
> }
> 
> #--- services.cfg
> define service {
> name                           		generic-service  ; 
> active_checks_enabled          	1        ; Active service checks are
> enabled
> passive_checks_enabled         	1        ; Passive service checks are
> enabled/accepted
> parallelize_check              	1        ; Active service checks should
> be parallelized 
> obsess_over_service            	1        ; We should obsess over this
> service (if necessary)
> check_freshness                	0        ; Default is to NOT check
> service 'freshness'
> notifications_enabled          	1        ; Service notifications are
> enabled
> event_handler_enabled          	1        ; Service event handler is
> enabled
> flap_detection_enabled         	1        ; Flap detection is enabled
> process_perf_data              	1        ; Process performance data
> retain_status_information      	1        ; Retain status information
> across program restarts
> retain_nonstatus_information   	1        ; Retain non-status information
> across program restarts
> normal_check_interval          	5
> retry_check_interval           	2
> notification_period            	24x7
> notification_options           	u,c,r
> register                       		0        ; DONT REGISTER THIS
> DEFINITION
> }
> 
> define service{
> use                             		generic-service
> host_name                       	myrouter
> service_description             	CPU
> is_volatile                     		0
> check_period                    	24x7
> max_check_attempts              	3
> retry_check_interval            	1
> contact_groups                  	router-admins
> notification_interval           	120
> notification_period             	24x7
> check_command
> check_cisco_cpu!publicro!60!69!70!80
> }
> 
> 
> 
> #--- checkcommands.cfg
> # 'check_snmp' generic command definition
> define command{
> command_name    check_snmp
> command_line    $USER1$/check_snmp -t 10 -H $HOSTADDRESS$ -C $ARG1$
> $ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$ $ARG7$ $ARG8$ $ARG9$
> }
> # check_cisco_cpu: checks router CPU-usage
> # Syntax
> !Hostname!Community!WARN-1min-%!WARN-5min-%!CRIT-1min-%!CRIT-5min-%
> define command{
> command_name    check_cisco_cpu
> command_line    $USER1$/check_snmp -t 10 -H $HOSTADDRESS$
> -o.1.3.6.1.4.1.9.2.1.57.0,.1.3.6.1.4.1.9.2.1.58.0 -C $ARG1$ -w
> :$ARG2$,:$ARG3$ -c :
> $ARG4$,:$ARG5$ -l 'CPU usage 1min/5min' -D ' / '
> }
> 
> 
> 
> Btw, by looking at the code in check_snmp.c I'm wondering .
> Is there a problem with : #define mark(a) ((a)!=0?"*":"") in
> check_snmp.c ??? Or are my parms so bad ? :-o
> 
> Thanks for your kind help.
> Warm regards,
> Pascal
> 
> 
> 
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