Different results from 'check_snmp' running ondifferent servers

[Patrick Proy]

Hi,

These files are available for free at cisco.com, you should never have to
pay for this :
http://tools.cisco.com/Support/SNMP/do/BrowseMIB.do?local=en&mibName=CISCO-E
NVMON-MIB

I would also suggest you use numerical OID.

And last, there is an existing script to check temps sensors on Cisco :
http://nagios.manubulon.com/snmp_env.html 

Regards,

Patrick

-----Message d'origine-----
De : nagios-users-bounces at lists.sourceforge.net
[mailto:nagios-users-bounces at lists.sourceforge.net] De la part de Richard
Luys-Nagios User
Envoyé : jeudi 3 mai 2007 16:07
À : Thomas Guyot-Sionnest; Nagios Userlist
Objet : Re: [Nagios-users] Different results from 'check_snmp' running
ondifferent servers

Problem solved!

Here's how:
I used snmpget to see what the real errors were:
Cannot find module (SNMPv2-TC-v1): At line 11 in
/usr/share/snmp/mibs/CISCO-ENVMON-MIB.txt
Cannot find module (SNMPv2-SMI-v1): At line 10 in
/usr/share/snmp/mibs/CISCO-SMI.txt

Strange, these MIB's don't exist on the oldNagios server...

I tried to find these files on the internet. If found at all, I had to pay
to download them...

So at last, I searched for "SNMPv2-TC-v1.txt" and got one link:  
http://fresh.t-systems-sfr.com/unix/src/privat2/sella_nms-2.0.0.tar.gz/

Instead of downloading this complete tarball, I clicked on the link and got
an overview of all the files. Used the browser's search function to find the
files needed and opened them on-screen. Copy paste them directly into the
mibs-dir on my server in a file with the correct name, and I was done.

I still believe there must be a better way to do this, but I couldn't find
it :(

HTH
Richard

On Thu, 03 May 2007 15:14:49 +0200, Thomas Guyot-Sionnest <dermoth at aei.ca>
wrote:

> On 03/05/07 06:06 AM, Richard Luys-Nagios User wrote:
>> Hi list,
>>
>> I have an odd problem, hope someone can shed some light on this.
>>
>> I'm busy installing a new Nagios server. The old one is running 
>> Nagios 1.2, and the new one is running 2.9. The used nagios plugins 
>> on the old server is version 1.3.1, on the new server it is: 1.4.8.
>>
>> I issue the following check from the old server (the 1.2):
>>
>> oldNagios:/usr/local/nagios/libexec # ./check_snmp -H switch1 -o
>> ciscoEnvMonTemperatureStatusDescr.1005
>> SNMP OK - Switch#1, Sensor#1, Status is GREEN
>>
>> The exitcode of this check is 0 (OK)
>>
>> newNagios:/usr/local/nagios/libexec # ./check_snmp -H switch1 -o
>> ciscoEnvMonTemperatureStatusDescr.1005
>> SNMP WARNING - Switch#1, Sensor#1, Status is GREEN
>>
>> Now the exitcode is 1 (WARNING) !!!
>>
>> Then I issue this check from the new server (the 2.9 installation), 
>> but with the old plugin (1.3.1):
>> newNagios:/usr/local/nagios/libexec.131 # ./check_snmp -H switch1 -o
>> ciscoEnvMonTemperatureStatusDescr.1005
>> SNMP WARNING - Switch#1, Sensor#1, Status is GREEN
>>
>> And again: the exitcode is 1 (WARNING)
>
> You're checking is a string so normally it always return OK. If it 
> returns a non-ok status it's most likely because snmpget returned 
> something on STDERR. use the -v switch to see which command is being 
> run, and then you can run it yourself to see what's going on (usually 
> it's MIB parsing errors like illegal characters - there's multiple way 
> to fix these issues)
>
> If you want to alert based on the status returned you should rather 
> use a OID that returns a numeric value like these ones:
>
> ciscoEnvMonTemperatureStatusValue
> ciscoEnvMonTemperatureState
>
> Thomas



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