check_iftraffic.pl plugin
Vanhee Frederik
fvanhee at gmail.com
Fri Oct 12 01:13:20 CEST 2007
Alex Dehaini wrote:
> Frederik,
>
> It works now but the values I am getting is different from what by my
> MRTG/Cacti is giving me.
>
> The check_iftraffic.pl plugin gives me
>
> Total RX Bytes: 1434.86 MB, Total TX Bytes: 2213.91 MB
> Average Traffic: 3.66 kB/s (0.0%) in, 3.77 kB/s (0.0%) out
>
> My MTRG gives me
>
> inbound = 50
> outbound = 75
>
> Why is the plugin giving me a different value? I know the MRTG value
> is correct because when I work the eth0 interface with snmp, it gives
> me the same value as the MRTG.
>
> Thanks or your help so far.
>
> Regards,
> Alex
>
>
> On 10/11/07, *Vanhee Frederik* <fvanhee at gmail.com
> <mailto:fvanhee at gmail.com> > wrote:
>
> Alex Dehaini wrote:
> > Frederik,
> >
> > I run the plugin from the command line. How do I disable the
> embedded
> > perl intepreter. Can you furnish me with your syntax on how you used
> > this plugin.
> >
> > Thanks
> >
> > On 10/11/07, *Vanhee Frederik* <fvanhee at gmail.com
> <mailto:fvanhee at gmail.com>
> > <mailto:fvanhee at gmail.com <mailto:fvanhee at gmail.com>>> wrote:
> >
> > Alex Dehaini wrote:
> > > Thanks Marc,
> > >
> > > I got the plug in from www.nagiosexchange.org
> <http://www.nagiosexchange.org>
> > <http://www.nagiosexchange.org>
> > > < http://www.nagiosexchange.org
> <http://www.nagiosexchange.org>>,
> > sorry I didn't specify that earlier
> > >
> > > I gave the traffic files in /tmp nagios group and user
> ownership and
> > > after that, I ran the following command as the nagios user and
> > this is
> > > the result I got
> > >
> > > nagios at snmp:/usr/local/nagios/libexec$
> ./check_iftraffic.pl -H
> > > 41.211.0.42 <http://41.211.0.42> <http://41.211.0.42>
> <http://41.211.0.42> -C
> > britania -i eth0 -b 100 -u m
> > > Total RX Bytes: 1395.95 MB, Total TX Bytes: 2173.82
> MB<br>Average
> > > Traffic: 0.00 kB/s (0.0%) in, 0.00 kB/s (0.0%) out|
> > inUsage=0.0,85,98
> > > outUsage=0.0,85,98 inAbsolut=1429448 outAbsolut=2225990
> > > nagios at snmp:/usr/local/nagios/libexec$ ./check_iftraffic.pl -H
> > > 41.211.0.42 <http://41.211.0.42> <http://41.211.0.42> <
> http://41.211.0.42> -C
> > britania -i eth0 -b 100 -u m
> > > Use of uninitialized value in scalar chomp at
> ./check_iftraffic.pl
> > > line 185, <FILE> line 1.
> > > Total RX Bytes: 1395.99 MB, Total TX Bytes: 2173.86
> MB<br>Average
> > > Traffic: 4.12 kB/s (0.0%) in, 4.12 kB/s (0.0%) out|
> > inUsage=0.0,85,98
> > > outUsage=0.0,85,98 inAbsolut=1429448 outAbsolut=2225990
> > > nagios at snmp:/usr/local/nagios/libexec$ ./check_iftraffic.pl -H
> > > 41.211.0.42 <http://41.211.0.42> <http://41.211.0.42> <
> http://41.211.0.42> -C
> > britania -i eth0 -b 100 -u m
> > > Use of uninitialized value in scalar chomp at
> ./check_iftraffic.pl
> > > line 185, <FILE> line 1.
> > > Total RX Bytes: 1396.02 MB, Total TX Bytes: 2173.89
> MB<br>Average
> > > Traffic: 3.60 kB/s (0.0%) in, 3.64 kB/s (0.0%) out|
> > inUsage=0.0,85,98
> > > outUsage=0.0,85,98 inAbsolut=1429493 outAbsolut=2226035
> > >
> > > I reckon this means that the plug in is working when ran
> from the
> > > nagios plugin directory via the command line. However, the
> UNKNOWN
> > > error still remains as reported from the the web cgi.
> > >
> > > Am I missing something?
> > >
> > > Alex
> > >
> > >
> > >
> > >
> > > On 10/11/07, *Marc Powell* < marc at ena.com
> <mailto:marc at ena.com> <mailto:marc at ena.com <mailto:marc at ena.com>>
> > <mailto:marc at ena.com <mailto:marc at ena.com>
> <mailto:marc at ena.com <mailto:marc at ena.com>>>> wrote:
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: nagios-users-bounces at lists.sourceforge.net
> <mailto:nagios-users-bounces at lists.sourceforge.net>
> > <mailto:nagios-users-bounces at lists.sourceforge.net
> <mailto:nagios-users-bounces at lists.sourceforge.net>>
> > > <mailto: nagios-users-bounces at lists.sourceforge.net
> <mailto:nagios-users-bounces at lists.sourceforge.net>
> > <mailto:nagios-users-bounces at lists.sourceforge.net
> <mailto:nagios-users-bounces at lists.sourceforge.net>>>
> > > [mailto: nagios-users- <mailto:nagios-users->
> <mailto:nagios-users- <mailto:nagios-users->> <mailto:
> > nagios-users- <mailto:nagios-users- <mailto:nagios-users->>>
> > > > bounces at lists.sourceforge.net
> <mailto:bounces at lists.sourceforge.net>
> > <mailto:bounces at lists.sourceforge.net
> <mailto:bounces at lists.sourceforge.net>>
> > > <mailto: bounces at lists.sourceforge.net
> <mailto:bounces at lists.sourceforge.net>
> > <mailto:bounces at lists.sourceforge.net
> <mailto:bounces at lists.sourceforge.net>> >] On Behalf Of Alex Dehaini
> > > > Sent: Thursday, October 11, 2007 10:17 AM
> > > > To: nagios-users at lists.sourceforge.net
> <mailto:nagios-users at lists.sourceforge.net>
> > <mailto:nagios-users at lists.sourceforge.net
> <mailto:nagios-users at lists.sourceforge.net>>
> > > <mailto: nagios-users at lists.sourceforge.net
> <mailto:nagios-users at lists.sourceforge.net>
> > <mailto:nagios-users at lists.sourceforge.net
> <mailto:nagios-users at lists.sourceforge.net>>>
> > > > Subject: [Nagios-users] check_iftraffic.pl plugin
> > > >
> > > > Hi Guys,
> > > >
> > > > I need some help on how to use the
> check_iftraffic.pl plug
> > in. I
> > > want
> > > > nagios to notify me if any of my servers reach a
> > 150kbits/sec on
> > > their
> > > > NIC. This is what I have done so far.
> > > >
> > > > 1. I downloaded the plug in and gave it the appropriate
> > > ownership and
> > > > permissions.
> > >
> > > When asking questions about a non-standard plugin,
> it's very
> > > helpful to
> > > provide specific details about where you got it from.
> How do we
> > > know the
> > > check_iftraffic.pl that google tells us about as the
> top hit is
> > > the same
> > > one you're using?
> > >
> > >
> > >
> > > > UNKNOWN 10-11-2007 15:10:44 0d 0h 2m
> > 22s 3/6 (No
> > > output!)
> > >
> > > "NO output!" typically means the plugin is reporting
> errors.
> > >
> > > > Can anyone please assist me. When I run this from
> the plug in
> > > directory, I
> > > > get results, forexample
> > > >
> > > > snmp:/usr/local/nagios/libexec# ./check_iftraffic.pl -H
> > > 41.211.0.42 <http://41.211.0.42> <http://41.211.0.42>
> <http://41.211.0.42> -C
> > > > community -i eth0 -b 100 -u m
> > > > Total RX Bytes: 1381.80 MB, Total TX Bytes: 2155.67
> > MB<br>Average
> > > Traffic:
> > > > 10.23 kB/s (0.1%) in, 12.45 kB/s ( 0.1%) out|
> > inUsage=0.1,85,98
> > > > outUsage= 0.1,85,98 inAbsolut=1410835 outAbsolut=2202385
> > >
> > > This implies a permissions issue. Testing as root isn't
> > useful since
> > > nagios isn't running the plugin as root. Do the same
> test again,
> > > except
> > > as the nagios user. I'll bet you get different and more
> > informative
> > > results.
> > >
> > >
> > >
> > > I'm going to take a very arbitrary guess and assume
> that I'm
> > > looking at
> > > the same plugin as you. It uses a temporary file,
> hard-coded as
> > > /tmp/traffic. Based on your test above, that file is
> almost
> > certainly
> > > owned by root and probably isn't modifiable by the nagios
> > user. Change
> > > ownership/permissions of the file or remove it entirely,
> > then test
> > > again
> > > as the nagios user.
> > >
> > > --
> > > Marc
> > >
> > >
> > >
> >
> -------------------------------------------------------------------------
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> > >
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> > > ::: Please include Nagios version, plugin version (-v) and
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> > >
> > >
> > >
> > >
> > > --
> > > Alex Dehaini
> > > Developer
> > > Site - www.alexdehaini.com <http://www.alexdehaini.com>
> <http://www.alexdehaini.com> <
> > http://www.alexdehaini.com>
> > > Email - alexdehaini at gmail.com
> <mailto:alexdehaini at gmail.com> <mailto:alexdehaini at gmail.com
> <mailto:alexdehaini at gmail.com>>
> > <mailto:alexdehaini at gmail.com <mailto:alexdehaini at gmail.com>
> <mailto: alexdehaini at gmail.com <mailto:alexdehaini at gmail.com>>>
> > >
> >
> ------------------------------------------------------------------------
> >
> > >
> > >
> >
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> > >
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> > > ::: Please include Nagios version, plugin version (-v) and OS
> > when reporting any issue.
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> > Hello Alex,
> >
> > I think I know what the problem is; your plugin is supposed
> to give
> > only one line of output (unles you use Nagios 3).
> > However, upon your execution, the first line of output is :
> >
> > "Use of uninitialized value in scalar chomp at
> > ./check_iftraffic.pl line
> > 185, <FILE> line 1."
> >
> > So I think there is a problem with the plugin or the perl
> interpreter.
> > Do you use the embedded perl interpreter ?
> > I use the same plugin from NagiosExchange but don't
> experience any
> > problems with it. I always disable the embedded perl interpreter
> > in Nagios.
> >
> > Good luck,
> >
> > Frederik
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > --
> > Alex Dehaini
> > Developer
> > Site - www.alexdehaini.com <http://www.alexdehaini.com>
> <http://www.alexdehaini.com>
> > Email - alexdehaini at gmail.com <mailto:alexdehaini at gmail.com>
> <mailto:alexdehaini at gmail.com <mailto:alexdehaini at gmail.com>>
> >
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>
> >
> >
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> Hello Alex,
>
> here are my checkcommand definition and my service check definition :
>
> define command{
> command_name check_switchport_traffic
> command_line $USER1$/check_iftraffic.pl -H $HOSTADDRESS$ -C
> community -i $ARG1$ -b 100000000 -u=k
> }
>
> check_command check_switchport_traffic!port1
>
>
> The only way to disable the embedded perl interpreter (Nagios 2) is to
> recompile Nagios with the option '--disable-embedded-perl' or
> something
> similar.
>
> Frederik
>
>
>
>
>
> --
> Alex Dehaini
> Developer
> Site - www.alexdehaini.com <http://www.alexdehaini.com>
> Email - alexdehaini at gmail.com <mailto:alexdehaini at gmail.com>
> ------------------------------------------------------------------------
>
> -------------------------------------------------------------------------
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> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue.
> ::: Messages without supporting info will risk being sent to /dev/null
Hi Alex,
I don't know why the plugin output could be wrong. It just takes the
snmp counters and compares them to the values from the previous run and
then divides the values through the time-period.
So, the values in kB/sec are correct.
I don't know about your MRTG values from 50 and 75, what are the
corresponding units ?
Frederik
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