From v.guk at zaz.zp.ua  Mon Feb 18 14:48:50 2013
From: v.guk at zaz.zp.ua (Victor Guk)
Date: Mon, 18 Feb 2013 15:48:50 +0200
Subject: [mrtg] MRTG not draw outbound traffic
Message-ID: <51223142.3060805@zaz.zp.ua>

Hi,

MRTG(2.16.2) not draw my outbound traffic.


Config:

WorkDir: /srv/www/mrtg
Options[_]: bits,growright
EnableIPv6: no

### Interface 8 >> Descr: 'eth0.10' | Name: '' | Ip: '11.0.0.1' | Eth: 
'' ###

Target[xxxxxxxxxxxx_8]: 8:public at xxxxxxxxxxxx:
SetEnv[xxxxxxxxxxxx_8]: MRTG_INT_IP="11.0.0.1" MRTG_INT_DESCR="eth0.10"
MaxBytes[xxxxxxxxxxxx_8]: 625000
AbsMax[xxxxxxxxxxxx_8]: 12500000
YSize[xxxxxxxxxxxx_8]: 250
XSize[xxxxxxxxxxxx_8]: 600
Title[xxxxxxxxxxxx_8]: Traffic Analysis for 8 -- Gate
PageTop[xxxxxxxxxxxx_8]: <h1>Traffic Analysis for 8 -- Gate</h1>
         <div id="sysdetails">
             <table>
                 <tr>
                     <td>System:</td>
                     <td>Gate in Unknown</td>
                 </tr>
                 <tr>
                     <td>Maintainer:</td>
                     <td>root at localhost</td>
                 </tr>
                 <tr>
                     <td>Description:</td>
                     <td>eth0.10  </td>
                 </tr>
                 <tr>
                     <td>ifType:</td>
                     <td>ethernetCsmacd (6)</td>
                 </tr>
                 <tr>
                     <td>ifName:</td>
                     <td></td>
                 </tr>
                 <tr>
                     <td>Max Speed:</td>
                     <td>12.5 MBytes/s</td>
                 </tr>
                 <tr>
                     <td>Ip:</td>
                     <td>11.0.0.1 ()</td>
                 </tr>
             </table>
         </div>

When I interrogate counters for SNMP, the correct values ??are returned

test:/etc/mrtg # snmpget -c public -v 2c xxxxxxxxxxxx IF-MIB::ifInOctets.8
IF-MIB::ifInOctets.8 = Counter32: 295138047

test:/etc/mrtg # snmpget -c public -v 2c xxxxxxxxxxxx IF-MIB::ifOutOctets.8
IF-MIB::ifOutOctets.8 = Counter32: 102886

Why not draw mrtg outbound traffic?
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From dan.mcdonald at austinenergy.com  Mon Feb 18 16:50:52 2013
From: dan.mcdonald at austinenergy.com (Daniel McDonald)
Date: Mon, 18 Feb 2013 09:50:52 -0600
Subject: [mrtg] MRTG not draw outbound traffic
In-Reply-To: <51223142.3060805@zaz.zp.ua>
Message-ID: <CD47A9FC.5C3AA%dan.mcdonald@austinenergy.com>




On 2/18/13 7:48 AM, "Victor Guk" <v.guk at zaz.zp.ua> wrote:

>    Hi,
>  Config:
>  
>  WorkDir: /srv/www/mrtg
>  Options[_]: bits,growright
>  EnableIPv6: no
>   
>  test:/etc/mrtg # snmpget -c public -v 2c xxxxxxxxxxxx IF-MIB::ifInOctets.8
>  IF-MIB::ifInOctets.8 = Counter32: 295138047
>  
>  test:/etc/mrtg # snmpget -c public -v 2c xxxxxxxxxxxx IF-MIB::ifOutOctets.8
>  IF-MIB::ifOutOctets.8 = Counter32: 102886

Your config doesn't show snmp version 2.  It's sanitized, so you might have
just skipped it, but you probably need to show it.

If using snmp v2, the relevant counters are ifHCInOctets and ifHCOutOctets

You currently have maxbytes as 5mb/s and absmax as 100mb/sec.  If all of the
traffic is over 100mb/sec then MRTG will ignore it.

Have you tried taking several snapshots of ifHCOutOctets to see if it is
incrementing?  

Cisco subinterfaces (like eth0.10) have a long history of bad mibs...  Might
be a bug in whatever version of code you are running.


-- 
Daniel J McDonald, CCIE # 2495, CISSP # 78281


From s.shipway at auckland.ac.nz  Mon Feb 18 20:20:43 2013
From: s.shipway at auckland.ac.nz (Steve Shipway)
Date: Mon, 18 Feb 2013 19:20:43 +0000
Subject: [mrtg] MRTG not draw outbound traffic
In-Reply-To: <51223142.3060805@zaz.zp.ua>
References: <51223142.3060805@zaz.zp.ua>
Message-ID: <7294716191A1E142B80615ED2C633BCA5788551A@uxcn10-2.UoA.auckland.ac.nz>

Check that the ifOutOctets counter is actually increasing - MRTG graphs the rate of increase, so possibly the rate is zero.  The number looks rather small.

Check that the rate of increase is not greater than AbsMax (100Mbps), since if it is, it will be ignored.

If the device supports SNMPv2, use that by having the :::::2 suffix on the target --

Targets[xxxx_8]: 8:public at xxxx:::::2

Some SNMP agents support v1 or v2c correctly but not the other.

Steve


Steve Shipway
University of Auckland ITS
UNIX Systems Design Lead
s.shipway at auckland.ac.nz<mailto:s.shipway at auckland.ac.nz>
Ph: +64 9 373 7599 ext 86487

________________________________
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From v.guk at zaz.zp.ua  Tue Feb 19 08:07:55 2013
From: v.guk at zaz.zp.ua (Victor Guk)
Date: Tue, 19 Feb 2013 09:07:55 +0200
Subject: [mrtg] MRTG not draw outbound traffic
In-Reply-To: <7294716191A1E142B80615ED2C633BCA5788551A@uxcn10-2.UoA.auckland.ac.nz>
References: <51223142.3060805@zaz.zp.ua>
	<7294716191A1E142B80615ED2C633BCA5788551A@uxcn10-2.UoA.auckland.ac.nz>
Message-ID: <512324CB.3080007@zaz.zp.ua>


18.02.2013 21:20, Steve Shipway ?????:
> Check that the ifOutOctets counter is actually increasing - MRTG 
> graphs the rate of increase, so possibly the rate is zero.  The number 
> looks rather small.

Measured with an interval of 5 minutes.

test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
IF-MIB::ifOutOctets.8 = Counter32: 103806
test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
IF-MIB::ifOutOctets.8 = Counter32: 103806
test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
IF-MIB::ifOutOctets.8 = Counter32: 103852
test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
IF-MIB::ifOutOctets.8 = Counter32: 103898
test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
IF-MIB::ifOutOctets.8 = Counter32: 103898
test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
IF-MIB::ifOutOctets.8 = Counter32: 103990

>
> Check that the rate of increase is not greater than AbsMax (100Mbps), 
> since if it is, it will be ignored.

On this interface can not pass more than 5 MB/s. Of this I am sure.

>
> If the device supports SNMPv2, use that by having the :::::2 suffix on 
> the target --
>
> Targets[xxxx_8]: 8:public at xxxx:::::2
>
> Some SNMP agents support v1 or v2c correctly but not the other.
>
> Steve

Apparently SNMPv2 not supported by the remote device. Incidentally, it 
is not CISCO device, is Linux server.

test:/tmp # mrtg /tmp/mrtg.cfg --debug="snpo"
--snpo: run snmpget from ifHCInOctets&ifHCOutOctets:public at xxxxxxxxxxxxxx
--snpo: simple If: .4
--snpo: simple If: .4
--snpo: SNMPGet from public at xxxxxxxxxxxxxx:::::2 -- 
ifHCInOctets.4,ifHCOutOctets.4,sysUptime,sysName
--snpo: SNMPfound -- 'undef', 'undef', '23:45:57', 'Gate'
2013-02-19 08:27:34: ERROR: Target[xxxxxxxxxxxxxx_8][_IN_] ' 
$target->[0]{$mode} ' did not eval into defined data
2013-02-19 08:27:34: ERROR: Target[xxxxxxxxxxxxxx_8][_OUT_] ' 
$target->[0]{$mode} ' did not eval into defined data

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From dan.mcdonald at austinenergy.com  Tue Feb 19 13:56:43 2013
From: dan.mcdonald at austinenergy.com (Daniel McDonald)
Date: Tue, 19 Feb 2013 06:56:43 -0600
Subject: [mrtg] MRTG not draw outbound traffic
In-Reply-To: <512324CB.3080007@zaz.zp.ua>
Message-ID: <CD48D2AB.5C444%dan.mcdonald@austinenergy.com>

On 2/19/13 1:07 AM, "Victor Guk" <v.guk at zaz.zp.ua> wrote:

>    
>  
> 18.02.2013 21:20, Steve Shipway ?????:
>  
>  
>> Check that the ifOutOctets counter is actually increasing - MRTG graphs the
>> rate of increase, so possibly the rate is zero.  The number looks rather
>> small.
>>  
>  
>  Measured with an interval of 5 minutes.
>  
>  test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
>  IF-MIB::ifOutOctets.8 = Counter32: 103806
>  test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
>  IF-MIB::ifOutOctets.8 = Counter32: 103806
>  test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
>  IF-MIB::ifOutOctets.8 = Counter32: 103852
>  test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
>  IF-MIB::ifOutOctets.8 = Counter32: 103898
>  test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
>   IF-MIB::ifOutOctets.8 = Counter32: 103898
>  test:/tmp # snmpget -c public -v 2c xxxxxxxxxxxxxx IF-MIB::ifOutOctets.8
>   IF-MIB::ifOutOctets.8 = Counter32: 103990

Less than 200 bytes in 5 minutes?  Mrtg is accurately displaying what your
mib is reporting - essentially zero traffic.  Knowing that it is a
sub-interface you are using, I would suspect you have a routing problem on
your box in which packets are received on this interface and transmitted out
a "default" interface.  More than likely the only traffic transmitted out
this interface is arp.


-- 
Daniel J McDonald, CCIE # 2495, CISSP # 78281