[mrtg] Incorrect MRTG plots for Cisco-RTTMON-MIB

[Raman Dhanoa]

Hi 
I have just started using MRTG. My primary requirement is to plot Cisco IP SLA operation results using Cisco-RTTmon-MIB. 
I have been trying to plot Packet Loss value between SD. I have tried different config options. I have compared MRTG results by polling the OID using a MIB browser. 
The CLI output matches the MIB browser (i am using correct OID) but I get different results on the MRTG. Is it due to the way MRTG works or normalises data for plotting. I was under the impression that if a 'gauge' value is polled using MRTG it will simply plot that. 
I have also noticed the current value is always bit off to the actual CLI value

Following is the config for SD packet loss. 
 
 
Target[100.100.100.1-PktLossSD]: .1.3.6.1.4.1.9.9.42.1.5.2.1.26.101&.1.3.6.1.4.1.9.9.42.1.5.2.1.26.101:Test at 100.100.100.1
Maxbytes[100.100.100.1-PktLossSD]: 500
XSize[100.100.100.1-PktLossSD]:500
YSize[100.100.100.1-PktLossSD]:250
Title[100.100.100.1-PktLossSD]: Packet Loss Source-Destination 
PageTop[100.100.100.1-PktLossSD]: Packet Loss SD Test 
ShortLegend[100.100.100.1-PktLossSD]: Pkts
YLegend[100.100.100.1-PktLossSD]: Packets
Legend1[100.100.100.1-PktLossSD]: Pkt Loss SD
Legend2[100.100.100.1-PktLossSD]:
LegendI[100.100.100.1-PktLossSD]: SD
LegendO[100.100.100.1-PktLossSD]:
WithPeak[100.100.100.1-PktLossSD]:dwm
Options[100.100.100.1-PktLossSD]: growright, nopercent,integer, gauge 
Thanks 


      Start your day with Yahoo!7 and win a Sony Bravia TV. Enter now http://au.docs.yahoo.com/homepageset/?p1=other&p2=au&p3=tagline
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.oetiker.ch/pipermail/mrtg/attachments/20081217/f3f339a8/attachment-0001.html