[mrtg] Scaled and Unscaled Graphs from One Data Source

[Chuck.Coker at rcc.edu]

I haven't been able to find any information on making two graphs -- one
scaled and one unscaled -- from a single data source. Most of the time
the scaled graph is what is wanted; we want to see what's going on with
low switch usage instead of seeing a single line at the bottom of the
graph. However, an unscaled version is desired when we want to see how
much of the total bandwidth is being used; in this case, a single line
at the bottom of the graph is what we would want to see.

The code snippet below shows how I am currently making two graphs. I'm
thinking there should be a better way than treating a single data source
as two different data sources, creating two RRD files, and polling the
device twice each time.

Thanks,
Chuck Coker

----------------------------------------------------------------

### Interface 1 >> Descr: 'Serial0/0' | Name: 'Se0/0' | Ip:
192.168.xxx.2' | Eth: '' ###

Target[192.168.xxx.1_Se0_0]: #Se0/0:community at 192.168.xxx.1:
SetEnv[192.168.xxx.1_Se0_0]: MRTG_INT_IP="192.168.xxx.2"
MRTG_INT_DESCR="Serial 0/0 (Scaled)"
MaxBytes[192.168.xxx.1_Se0_0]: 193000
AbsMax[192.168.xxx.1_Se0_0]:   193000
Title[192.168.xxx.1_Se0_0]: MECBDF RT1 Serial 0/0 (Scaled) T1 Line to
CITY
Unscaled[192.168.xxx.1_Se0_0]: n
PageTop[192.168.xxx.1_Se0_0]: <H1>MECBDF RT1 Serial 0/0 (Scaled) T1 Line
to CITY</H1>
 <TABLE>
   <TR><TD>System:</TD>     <TD>MECBDF-RT1 in March Education
Center</TD></TR>
   <TR><TD>Maintainer:</TD> <TD>Network Support 222-8887</TD></TR>
   <TR><TD>Description:</TD><TD>Serial 0/0 (Scaled) T1 Line to CITY
</TD></TR>
   <TR><TD>ifType:</TD>     <TD>propPointToPointSerial (22)</TD></TR>
   <TR><TD>ifName:</TD>     <TD>Se0/0</TD></TR>
   <TR><TD>Max Speed:</TD>  <TD>193.0 kBytes/s</TD></TR>
   <TR><TD>Ip:</TD>         <TD>192.168.xxx.2 ()</TD></TR>
 </TABLE>

Target[192.168.xxx.1_Se0_0_a]: #Se0/0: community at 192.168.xxx.1:
SetEnv[192.168.xxx.1_Se0_0_a]: MRTG_INT_IP="192.168.xxx.2"
MRTG_INT_DESCR="Serial 0/0 (Unscaled)"
MaxBytes[192.168.xxx.1_Se0_0_a]: 193000
AbsMax[192.168.xxx.1_Se0_0_a]: 193000
Title[192.168.xxx.1_Se0_0_a]: MECBDF RT1 Serial 0/0 A (Unscaled) T1 Line
to CITY
Unscaled[192.168.xxx.1_Se0_0_a]: ymwd
PageTop[192.168.xxx.1_Se0_0_a]: <H1>MECBDF RT1 Serial 0/0 A (Unscaled)
T1 Line to CITY</H1>
 <TABLE>
   <TR><TD>System:</TD>     <TD>MECBDF-RT1 in March Education
Center</TD></TR>
   <TR><TD>Maintainer:</TD> <TD>Network Support 222-8887</TD></TR>
   <TR><TD>Description:</TD><TD>Serial 0/0 A (Unscaled) T1 Line to
CITY</TD></TR>
   <TR><TD>ifType:</TD>     <TD>propPointToPointSerial (22)</TD></TR>
   <TR><TD>ifName:</TD>     <TD>Se0/0</TD></TR>
   <TR><TD>Max Speed:</TD>  <TD>193.0 kBytes/s</TD></TR>
   <TR><TD>Ip:</TD>         <TD>192.168.xxx.2 ()</TD></TR>
 </TABLE>

----------------------------------------------------------------
Chuck Coker                             chuck.coker (et) rcc.edu
       Riverside Community College, Information Services
4800 Magnolia Avenue, Riverside, California 92506, United States
+1 951 222 8759 (desk)                    +1 951 830 8068 (cell)
----------------------------------------------------------------

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