snmp not working

Subhendu Ghosh sghosh at sghosh.org
Wed Nov 16 17:17:22 CET 2005
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All plugins -V provides version info.

On Wed, 16 Nov 2005, HP Geeza wrote:

> how do i find out which version of the check_snmp plugin im using? - sorry 
> for yet another silly question!!! - im having one of those daysssssss
>
>
>> From: Subhendu Ghosh <sghosh at sghosh.org>
>> To: HP Geeza <getbacktome3 at hotmail.com>
>> CC: nagios-users at lists.sourceforge.net
>> Subject: RE: [Nagios-users] snmp not working
>> Date: Wed, 16 Nov 2005 11:10:19 -0500 (EST)
>> 
>> 
>> Ok - what version of check_snmp?
>> 
>> On Wed, 16 Nov 2005, HP Geeza wrote:
>> 
>>> the result of running:
>>> 
>>> snmpget -v 1 -c public 10.30.129.30 .1.3.6.1.4.1.2012.1.1.1.4.2.0
>>> 
>>> is:
>>> 
>>> SNMPv2-SMI::enterprises.2012.1.1.1.4.2.0 = INTEGER: 68
>>> 
>>> 
>>> 
>>> 
>>>> From: Subhendu Ghosh <sghosh at sghosh.org>
>>>> To: HP Geeza <getbacktome3 at hotmail.com>
>>>> CC: nagios-users at lists.sourceforge.net
>>>> Subject: RE: [Nagios-users] snmp not working
>>>> Date: Wed, 16 Nov 2005 11:03:01 -0500 (EST)
>>>> 
>>>> On Wed, 16 Nov 2005, HP Geeza wrote:
>>>> 
>>>>> Hi Subhendu,
>>>>> 
>>>>> Appologies for the silly question but what do you mean add a -m?
>>>>> 
>>>> 
>>>> Add a "-m:"
>>>> The colon after the -m option indicates an empty miblist.  You don't need 
>>>> a miblist if you are providing a numeric OID.
>>>> A normal miblist is a colon separated list of directories containing mib 
>>>> files.  It is used by the snmpget utility to translate to a numeric OID. 
>>>> e.g.  system.sysDescr.0 ==> .1.3.6.1.2.1.1.1.0
>>>> 
>>>> Also please post the result of the following:
>>>> snmpget -v 1 -c public 10.30.129.30 .1.3.6.1.4.1.2012.1.1.1.4.2.0
>>>> 
>>>> If you see data other than
>>>> SNMPv2-SMI::enterprises.2012.1.1.1.4.2.0 = INTEGER: 69
>>>> 
>>>> then you may have some local mib files that don't have the correct 
>>>> syntax.
>>>> 
>>>> The WARNING is then the result of output seen on STDERR where it was not 
>>>> expected.
>>>> 
>>>>> when i run:
>>>>> ./check_snmp -H 10.30.129.30 -o .1.3.6.1.4.1.2012.1.1.1.4.2.0 -w 80 -c 
>>>>> 85 -C public -v -m
>>>>> i get ./check_snmp: option requires an argument -- m
>>>>> 
>>>>> how do i find out what the miblist is????
>>>>> 
>>>>> WHEN I RUN:
>>>>> ./check_snmp -H 10.30.129.30 -o .1.3.6.1.4.1.2012.1.1.1.4.2.0 -w 80 -c 
>>>>> 85 -C public -v
>>>>> 
>>>>> i get:
>>>>> /usr/bin/snmpget -t 1 -r 5 -m ALL -v 1 -c public 10.30.129.30:161 
>>>>> .1.3.6.1.4.1.2012.1.1.1.4.2.0
>>>>> SNMPv2-SMI::enterprises.2012.1.1.1.4.2.0 = INTEGER: 69
>>>>> 
>>>>> SNMP WARNING - 69
>>>>> 
>>>>> 
>>>>> NOTE if it is of any use, there is a line space between SNMP WARNING - 
>>>>> 69 and INTEGER 69
>>>>> 
>>>>> 
>>>>> 
>>>>>> From: Subhendu Ghosh <sghosh at sghosh.org>
>>>>>> To: HP Geeza <getbacktome3 at hotmail.com>
>>>>>> CC: nagios-users at lists.sourceforge.net
>>>>>> Subject: RE: [Nagios-users] snmp not working
>>>>>> Date: Wed, 16 Nov 2005 10:03:05 -0500 (EST)
>>>>>> 
>>>>>> On Wed, 16 Nov 2005, HP Geeza wrote:
>>>>>> 
>>>>>>> Hi
>>>>>>> 
>>>>>>> Thanks for the info, but im affraid it still isn't working :-(
>>>>>>> 
>>>>>>> FYI
>>>>>>> Usage: check_snmp -H <ip_address> -o <OID> [-w warn_range] [-c 
>>>>>>> crit_range]
>>>>>>>                 [-C community] [-s string] [-r regex] [-R regexi]
>>>>>>>                 [-t timeout] [-e retries]
>>>>>>>                 [-l label] [-u units] [-p port-number] [-d delimiter]
>>>>>>>                 [-D output-delimiter] [-m miblist] [-P snmp version]
>>>>>>>                 [-L seclevel] [-U secname] [-a authproto] [-A 
>>>>>>> authpasswd]
>>>>>>>                 [-X privpasswd]
>>>>>>> 
>>>>>>> i try running the command: ./check_snmp -H 10.30.129.30 -o 
>>>>>>> .1.3.6.1.4.1.2012.1.1.1.4.2.0 -w 80 -c 85 -C public
>>>>>>> 
>>>>>>> and still get a value of "SNMP WARNING - 69" back
>>>>>>> 
>>>>>>> accoring to the command im running should the waring only come up when 
>>>>>>> the -w parameter is met? - i.e 80 and critical when its 85??
>>>>>>> 
>>>>>>> Any help would be great
>>>>>>> 
>>>>>> 
>>>>>> Add a "-m:"
>>>>>> 
>>>>>> Also please post the result of tagging on a "-v" option
>>>>>> 
>>>>>> -sg
>>>>>> 
>>>>>> 
>>>>>>>> From: "Marc Powell" <marc at ena.com>
>>>>>>>> To: <nagios-users at lists.sourceforge.net>
>>>>>>>> Subject: RE: [Nagios-users] snmp not working
>>>>>>>> Date: Tue, 15 Nov 2005 12:55:15 -0600
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> > -----Original Message-----
>>>>>>>> > From: nagios-users-admin at lists.sourceforge.net 
>>>>>>>> [mailto:nagios-users-
>>>>>>>> > admin at lists.sourceforge.net] On Behalf Of HP Geeza
>>>>>>>> > Sent: Tuesday, November 15, 2005 11:26 AM
>>>>>>>> > To: nagios-users at lists.sourceforge.net
>>>>>>>> > Subject: [Nagios-users] snmp not working
>>>>>>>> >
>>>>>>>> > Hi All,
>>>>>>>> >
>>>>>>>> > I was hoping that somebody might be able to help me with a snmp
>>>>>>>> monitoring
>>>>>>>> > issue on my nagios box.  I am running the following command on the
>>>>>>>> command
>>>>>>>> > line on the nagios box:
>>>>>>>> >
>>>>>>>> > /usr/local/nagios/libexec/./check_snmp <ip address of temp probe in
>>>>>>>> our
>>>>>>>> > lab)
>>>>>>>> > -o .1.3.6.1.4.1.2012.1.1.1.4.2.0 -C public
>>>>>>>> >
>>>>>>>> > and get a value of SNMP "WARNING - 68" back
>>>>>>>> >
>>>>>>>> > however i dont think that this value is correct and as a reult the
>>>>>>>> > check_snmp plugin seems to be obtaining the wrong result as i dont
>>>>>>>> expect
>>>>>>>> > this to be a warning.  For example if i run:
>>>>>>>> 
>>>>>>>> Well, you haven't told check_snmp if that's OK or CRITICAL so it 
>>>>>>>> doesn't
>>>>>>>> know what to report it as, hence WARNING. Remember the OIDs can 
>>>>>>>> contain
>>>>>>>> just about any kind of data and check_snmp has no idea what it is 
>>>>>>>> you're
>>>>>>>> querying, it just has an SNMP 'address'. You have to add in the 
>>>>>>>> status
>>>>>>>> intelligence.
>>>>>>>> 
>>>>>>>> > ./check_snmp 10.30.129.30 -o .1.3.6.1.4.1.2012.1.1.1.4.2.0 -C 
>>>>>>>> public
>>>>>>>> -wv
>>>>>>>> > 80
>>>>>>>> > -cv 85
>>>>>>>> >
>>>>>>>> > i still get a value of "WARNING - 68"
>>>>>>>> 
>>>>>>>> I'm not sure what version of check_snmp you're using but -wv and -cv
>>>>>>>> aren't valid command line args, at least with 1.4 and prior.
>>>>>>>> 
>>>>>>>> > is there a different check_snmp plugin i could use? or am i just
>>>>>>>> running
>>>>>>>> > the
>>>>>>>> > command wrong?  I dont want the service to show up as a warning 
>>>>>>>> when
>>>>>>>> the
>>>>>>>> > temperature is 68F...hence the reason for doing -wv 80 -cv 85
>>>>>>>> 
>>>>>>>> You just need to tell check_snmp what to expect for each range.
>>>>>>>> Check_snmp (and a couple other plugins) behave differently than other
>>>>>>>> plugins WRT warning and critical detection as the results of the SNMP
>>>>>>>> query are highly variable. Here are a couple of examples --
>>>>>>>> 
>>>>>>>> To test for a very specific value where anything but that value is 
>>>>>>>> bad
>>>>>>>> you might use something like -
>>>>>>>> define command{
>>>>>>>>         command_name    check_bgp_peer_state
>>>>>>>>         command_line    $USER1$/check_snmp -H $HOSTADDRESS$ -o
>>>>>>>> .1.3.6.1.2.1.15.3.1.2.$ARG1$ -s 6 -C $USER3$ -l 'BGP Peer $ARG1$ 
>>>>>>>> State'
>>>>>>>>         }
>>>>>>>> 
>>>>>>>> The above will be OK if the value of that OID is 6 and CRITICAL if 
>>>>>>>> it's
>>>>>>>> anything else.
>>>>>>>> 
>>>>>>>> To check for a range of values you might use the following -
>>>>>>>> 
>>>>>>>> define command{
>>>>>>>>         command_name    check_temperature_server_sites
>>>>>>>>         command_line    $USER1$/check_snmp -H $HOSTADDRESS$ -u 
>>>>>>>> 'Degrees
>>>>>>>> Celsius' -o .1.3.6.1.4.1.9.9.13.1.3.1.3.2 -C $USER3$ -w 37:32 -c 
>>>>>>>> 99:38
>>>>>>>> -l '
>>>>>>>> Temperature is'
>>>>>>>>         }
>>>>>>>> 
>>>>>>>> The above will result in WARNING if the value of the OID is between 
>>>>>>>> 32
>>>>>>>> and 37 (inclusive), CRITICAL if it's between 38 and 99 (inclusive) 
>>>>>>>> and
>>>>>>>> OK for all other values.
>>>>>>>> 
>>>>>>>> Hope that helps. Use 'check_snmp --help' for other command line args 
>>>>>>>> and
>>>>>>>> their description.
>>>>>>>> 
>>>>>>>> --
>>>>>>>> Marc
>>>>>>>> 
>>>>>>>> 
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>>>>>> 
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