trouble w/SNMP

[Allan Clark]

2009/4/10 Natalie Aloi <naloi at experisdatacenters.com>

>
> （moved top-post)
>
> -----Original Message-----
> *From:* Allan Clark [mailto:allanc at chickenandporn.com]
> *Sent:* Friday, April 10, 2009 01:19 PM
> *To:* 'Natalie Aloi'
> *Cc:* 'Nagios Users Mail-list'
> *Subject:* Re: [Nagios-users] trouble w/SNMP
>
> On Fri, Apr 10, 2009 at 12:57, Natalie Aloi <aloi at experisdatacenters.com>wrote:
>
>>  I am trying to get something to work in Nagios and my command generates
>> a response of unknown, but the snmpwalk generates a value of 2
>> I also tried another oid and the values generated are identical for the
>> snmpwalk and the snmpget
>>
>> (the one for the upsBatteryStatus is the one I am curious about)
>>
>> [root at nagios mibwalk]# /usr/lib/nagios/plugins/check_snmp -H 10.1.102.40
>> -C public -o SNMPv2-SMI::mib-2.33.1.2.2.0
>> SNMP OK - 0 seconds | UPS-MIB::upsSecondsOnBattery.0=0 seconds
>>
>> [root at nagios mibwalk]# /usr/lib/nagios/plugins/check_snmp -H 10.1.102.40
>> -C public -o SNMPv2-SMI::mib-2.33.1.2.1.0
>> SNMP OK - unknown(1) | UPS-MIB::upsBatteryStatus.0=unknown(1)
>> [root at nagios mibwalk]#
>>
>> Data from snmpwalk is below:
>>
>> UPS-MIB::upsBatteryStatus.0 = INTEGER: batteryNormal(2)
>> UPS-MIB::upsSecondsOnBattery.0 = INTEGER: 0 seconds
>>
>>
>
> try something like:
>
>        snmpget   -v 1 -c public   10.1.102.40
> SNMPv2-SMI::mib-2.33.1.2.1.0
>
> Assuming SNMP-v1; try with "-v 2c" as well, to see which one matches your
> results.  I don't have a commandline available to check which the snmp
> command plugin uses, but maybe this will give you an idea whether the
> snmpwalk differs form the snmpget result, perhaps an avenue to investigate
> further.
>
> Allan
>
>
> [root at nagios mibwalk]# snmpget -v 1 -c public 10.1.102.40
SNMPv2-SMI::mib-2.33.1.2.1.0
> SNMPv2-SMI::mib-2.33.1.2.1.0 = INTEGER: 1
> [root at nagios mibwalk]#
>
> Huh? - weird! why would snmpget give me 1, but walk gives me 2?

If we assume Nagios is doing snmpget rather than snmpwalk, then the problem
is slightly different: how would we get snmpget to produce the
desired/accurate "2" rather than "1".

For giggles, try:

      snmpget -v 1 -c public 10.1.102.40 SNMPv2-SMI::mib-2.33.1.2.1

(dropping the .0)

I'm curious about this because I remember something with snmpwalk needing a
.0 in places where snmpget didn't seem to.  Don't recall exactly what it
was.

Allan
-- 
allanc at chickenandporn.com  "金鱼" http://linkedin.com/in/goldfish
please, no proprietary attachments (http://tinyurl.com/cbgq)
Sent from New York, NY, United States
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