[mrtg] FW: GigE interface counter problems

[Alex Moen]

> > -----Original Message-----
> > From: mrtg-bounce at list.ee.ethz.ch 
> > [mailto:mrtg-bounce at list.ee.ethz.ch] On Behalf Of Alex Moen
> > Sent: 14 January 2005 15:48
> > To: mrtg at list.ee.ethz.ch
> > Subject: [mrtg] GigE interface counter problems
> > 
> > 
> > I am positive this has been asked before, but I have not seen 
> > a complete and full answer to it, and maybe it's a Cisco thing...
> > 
> > We are graphing a GigE interface on a Cisco 7609 router.  
> > There is a fairly constant 350 MBPS traffic on this 
> > interface, while our graphs show about 80 MBPS. 
> > 
> > Target[gig8_1_1]: 53:xxxxx at 12.23.34.45:::::2
> > 
> > However, it makes no difference in the graph.
> > 
> > Versions:
> > 
> > MRTG: 2.11.1
> > RRDTool: 1.0.45
> > 
> > Thanks!

> Just a thought.
> 
> I have a Fibre Channel switch that's 2Gb and the SNMP counter 
> counts 4 byte
> words so I multiply the value 
> returned by SNMP query in MRTG by 4 to get the real value... 
> Maybe your 1Gb
> Ethernet is the same. I'd check the SNMP documentation to see what the
> counter is counting..
> 
> HTH
> 
> Neil

Thanks for the reply, Neil, but I don't think that this is the case.   If I
switch the polling interval to 1 minute, the graph looks correct (it goes up
to the 320 mbps that I expect).  I still have not found the answer to this
question.  We have looked at the router, and when we run a "sh counters
interface gigabitEthernet 8/1" we are seeing the 64bit counters
incrementing.  I just don't know why we cannot seem to gather that
information.  I have also tried (as seen in the docs) changing my target to:

Target[gig8_1_1]: 53:rxHCOctets.xxxxx at 12.23.34.45:::::2

Also, looking at Cisco's website, we have tried:

Target[gig8_1_1]: 53:1.3.6.1.4.1.9.9.201.1.1.1.1.4:xxxxx at 12.23.34.45:::::2

Getting the following as a response for both of the above:

[root at ns2 bin]# ./mrtg 7609dot59.cfg 
SNMP Error:
no response received
SNMPv2c_Session (remote host: "12.23.34.45" [12.23.34.45].161)
                   community: "1.3.6.1.4.1.9.9.201.1.1.1.1:xxxxx"
                  request ID: 1828916341
                 PDU bufsize: 8000 bytes
                     timeout: 2s
                     retries: 5
                     backoff: 1)
 at /usr/local/mrtg-2.11/bin/../lib/mrtg2/SNMP_util.pm line 490
SNMPGET Problem for ifHCInOctets.53 ifHCOutOctets.53 on
1.3.6.1.4.1.9.9.201.1.1.1.1:xxxxx at 12.23.34.45:::::2:v4only
 at ./mrtg line 1849
WARNING: skipping because at least the query for ifHCInOctets.53 on
12.23.34.45 did not succeed
WARNING: no data for
ifHCInOctets&ifHCOutOctets:1.3.6.1.4.1.9.9.201.1.1.1.1:xxxxx at 12.23.34.45.
Skipping further queries for Host 12.23.34.45 in this round.
ERROR: Target[gig8_1_1][_IN_] ' $target->[0]{$mode} ' did not eval into
defined data
ERROR: Target[gig8_1_1][_OUT_] ' $target->[0]{$mode} ' did not eval into
defined data

Any other ideas?

Thanks!

Alex

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