MRTG: ERROR: CFG Error in “Interval”: should be at least 5 Minutes (unless you use rrdtool)

Just setup MRTG the other day. And due to having some old switches to monitor, i chose to run the MRTG cron every minute, in order to be able to read traffic above 100Mbit. But even when i had specified rrdtool in the server config, i got these error messages:

ERROR: CFG Error in "Interval": should be at least 5 Minutes 
(unless you use rrdtool) at /usr/bin/../lib64/mrtg2/MRTG_<wbr>lib.pm line 739 </wbr>

The solution was pretty simple. Simply add the following line in mrtg.cfg:

Logformat: rrdtool
Interval: 1

One thought on “MRTG: ERROR: CFG Error in “Interval”: should be at least 5 Minutes (unless you use rrdtool)

  1. You need a tool for MRTG to allow intervals less than 5 minutes, im in the same problem