[mrtg] mrtg + rrtool tune a better way?

[Service Tech]

I was wondering if anyone had a better to show negative numbers other
than tuning each rrd file. I am using mrtg with rrdtool to monitor
almost 3000 devices each having 4 targets.
 

Here is a copy of one config.

 

#### Transmit Power  #####

Title[TxPwr-ipaddress]: Transmit Power

Target[TxPwr-ipaddress]:
docsIfCmStatusTxPower.2&docsIfCmStatusTxPower.2:community at ipaddress

MaxBytes[TxPwr-ipaddress]:600

PageTop[TxPwr-ipaddress]: <H1>Transmit Power</H1>

Options[TxPwr-ipaddress]: absolute, gauge, nopercent

ShortLegend[TxPwr-ipaddress]: dBmV 

YLegend[TxPwr-ipaddress]: TxPwr (dBmV /10)

Legend1[TxPwr-ipaddress]: 

Legend2[TxPwr-ipaddress]:

LegendI[TxPwr-ipaddress]: TxPwr Lvl

LegendO[TxPwr-ipaddress]:

Unscaled[TxPwr-ipaddress]: dwmy

 

#### Receive Power   #####

 

Title[RxPwr-ipaddress]: Receive Power

Target[RxPwr-ipaddress]:
docsIfDownChannelPower.3&docsIfDownChannelPower.3:community at ipaddress

MaxBytes[RxPwr-ipaddress]:200

PageTop[RxPwr-ipaddress]: <H1>Receive Power </H1>

Options[RxPwr-ipaddress]: absolute, gauge, nopercent

ShortLegend[RxPwr-ipaddress]: dBmV 

YLegend[RxPwr-ipaddress]: RxPwr (dBmV /10)

Legend1[RxPwr-ipaddress]: 

Legend2[RxPwr-ipaddress]:

LegendI[RxPwr-ipaddress]: RxPwr Lvl

LegendO[RxPwr-ipaddress]:

 

### Receive Signal-to-Noise Ratio ###

 

Title[SNR-ipaddress]: Receive Signal-to-Noise Ratio

Target[SNR-ipaddress]:
docsIfSigQSignalNoise.3&docsIfSigQSignalNoise.3:community at ipaddress

Maxbytes[SNR-ipaddress]: 500

PageTop[SNR-ipaddress]: <H1>Receive Signal-to-Noise Ratio </H1>

Options[SNR-ipaddress]: absolute, gauge, nopercent

ShortLegend[SNR-ipaddress]: dB 

YLegend[SNR-ipaddress]: RxSNR (dB /10)

Legend1[SNR-ipaddress]: 

Legend2[SNR-ipaddress]:

LegendO[SNR-ipaddress]:

LegendI[SNR-ipaddress]:Rx SNR 

Unscaled[SNR-ipaddress]: dwmy

 

#### MicroReflections   #####

 

Title[MicroRef-ipaddress]: MicroReflections

Target[MicroRef-ipaddress]:
docsIfSigQMicroreflections.3&docsIfSigQMicroreflections.3:community at ipad
dress

MaxBytes[MicroRef-ipaddress]:100

PageTop[MicroRef-ipaddress]: <H1>MicroReflections</H1>

Options[MicroRef-ipaddress]: absolute, gauge, nopercent

ShortLegend[MicroRef-ipaddress]: dBc 

YLegend[MicroRef-ipaddress]: MicRef (dBc)

Legend1[MicroRef-ipaddress]: 

Legend2[MicroRef-ipaddress]:

LegendI[MicroRef-ipaddress]: MicRef

LegendO[MicroRef-ipaddress]:

Unscaled[MicroRef-ipaddress]: dwmy

 

 

The problem right now would be I would have to tune each RxPwr because
it is most of the time a negative number. Is there any script or some
way to set the cfg to show the negative number with no intervention from
me?

 

Thanks for the help,

Bryan Smith

 

 

 

 



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