[mrtg] Re: Monitoring 8 Port Etherchannel and Displaying Maxbytes problem

Wed Feb 12 20:47:54 MET 2003

Several issues:

If you're monitoring an 8 Gbps etherchannel, you need to set the maxbytes
high enough so that you won't exceed it. Right now, you have it set at 1
Gbps, or 125 MBps (which is the same thing). If you ever exceed this level
(and if you didn't, why set up the etherchannel?), you will lose the data.
It will show as 0. Based on your description, maxbytes should be 1000000000.
Lose the absmax lines. 

Second, you want scaled graphs, not unscaled. Get rid of the dwmy after
Unscaled so that none of the graphs are unscaled.

Keep using the bits option. 

If what you mean is that you need unscaled graphs with a y axis of 8 Gbps
that actually show some data when the links are being barely utilized, you
have a different problem.

Hope this helps.

Jerry

-----Original Message-----
From: Richard Barsanti [mailto:richard_barsanti at yahoo.com] 
Sent: Wednesday, February 12, 2003 1:17 PM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Monitoring 8 Port Etherchannel and Displaying Maxbytes
problem 

I am monitoring an etherchannel composed of 8 Gig Ethernet ports on a
Catalyst 6509.  I need to display the maxbytes on the Y Axis as 1000 Mbytes
(125000000 * 8).  I barely get any data displayed unless I use the bits
option which varies my Y option display.  Anyone ever come accross this
situation?  help......

Richard

WorkDir: c:\InetPub\wwwroot\mrtg
Options[_]: bits
RunAsDaemon: YES
### Interface po1 >> Descr: 'aggregated interface' | Name: 'GEC-3/1-8' | Ip:
'' | Eth: '' ###

Target[6509_6513AS]: 121:public at ip_address:::::2
SetEnv[6509_6513AS]: MRTG_INT_IP="ip_address" MRTG_INT_DESCR="6509
Etherchannel to 6513AS"
MaxBytes[6509_6513AS]: 125000000
AbsMax[6509_6513AS]: 125000000
Unscaled[6509_6513AS]: dwmy
Title[6509_6513AS]: Traffic Analysis for po1 -- 6509_6513AS
PageTop[6509_6513AS]: <H1>Traffic Analysis for po1 -- 6509_6513AS  </H1>
 <TABLE>
   <TR><TD>System:</TD>     <TD> 6509_6513AS in </TD></TR>
   <TR><TD>Maintainer:</TD> <TD></TD></TR>
   <TR><TD>Description:</TD><TD>GEC-3/1-8  </TD></TR>
   <TR><TD>ifType:</TD>     <TD>Virtual Interface</TD></TR>
   <TR><TD>ifName:</TD>     <TD>GEC-3/1-8</TD></TR>
   <TR><TD>Max Speed:</TD>  <TD>1000000000 MByte/s</TD></TR>
 </TABLE>

Target[6509_6513BS]: 123:public at ip_address:::::2
SetEnv[6509_6513BS]: MRTG_INT_IP="10.10.97.5" MRTG_INT_DESCR="6509
Etherchannel to 6513BS"
MaxBytes[6509_6513BS]: 125000000
AbsMax[6509_6513BS]: 125000000
Unscaled[6509_6513BS]: dwmy
Title[6509_6513BS]: Traffic Analysis for po2 -- 6509_6513BS
PageTop[6509_6513BS]: <H1>Traffic Analysis for po2 -- 6509_6513BS  </H1>
 <TABLE>
   <TR><TD>System:</TD>     <TD> 6509_6513BS in </TD></TR>
   <TR><TD>Maintainer:</TD> <TD></TD></TR>
   <TR><TD>Description:</TD><TD>GEC-3/1-8  </TD></TR>
   <TR><TD>ifType:</TD>     <TD>Virtual Interface</TD></TR>
   <TR><TD>ifName:</TD>     <TD>GEC-3/9-16</TD></TR>
   <TR><TD>Max Speed:</TD>  <TD>1000000000 MByte/s</TD></TR>
 </TABLE>

Target[6509_6513CS]: 125:public at ip_address:::::2
SetEnv[6509_6513CS]: MRTG_INT_IP="ip_address" MRTG_INT_DESCR="6509
Etherchannel to 6513CS"
MaxBytes[6509_6513CS]: 125000000
AbsMax[6509_6513CS]: 125000000
Unscaled[6509_6513CS]: dwmy
Title[6509_6513CS]: Traffic Analysis for po3 -- 6509_6513CS
PageTop[6509_6513CS]: <H1>Traffic Analysis for po3 -- 6509_6513CS  </H1>
 <TABLE>
   <TR><TD>System:</TD>     <TD> 6509_6513CS in </TD></TR>
   <TR><TD>Maintainer:</TD> <TD></TD></TR>
   <TR><TD>Description:</TD><TD>GEC-4/1-8  </TD></TR>
   <TR><TD>ifType:</TD>     <TD>Virtual Interface</TD></TR>
   <TR><TD>ifName:</TD>     <TD>GEC-4/1-8</TD></TR>
   <TR><TD>Max Speed:</TD>  <TD>1000000000 MByte/s</TD></TR>
 </TABLE>

Target[6509_6513DS]: 127:public at ip_address:::::2
SetEnv[6509_6513DS]: MRTG_INT_IP="ip_address" MRTG_INT_DESCR="6509
Etherchannel to 6513DS"
MaxBytes[6509_6513DS]: 125000000
AbsMax[6509_6513DS]: 125000000
Unscaled[6509_6513DS]: dwmy
Title[6509_6513DS]: Traffic Analysis for po4 -- 6509_6513DS
PageTop[6509_6513DS]: <H1>Traffic Analysis for po4 -- 6509_6513DS  </H1>
 <TABLE>
   <TR><TD>System:</TD>     <TD> 6509_6513DS in </TD></TR>
   <TR><TD>Maintainer:</TD> <TD></TD></TR>
   <TR><TD>Description:</TD><TD>GEC-4/9-16  </TD></TR>
   <TR><TD>ifType:</TD>     <TD>Virtual Interface</TD></TR>
   <TR><TD>ifName:</TD>     <TD>GEC-4/9-16</TD></TR>
   <TR><TD>Max Speed:</TD>  <TD>1000000000 MByte/s</TD></TR>
 </TABLE>

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