[CentOS] MRTG and eth0

Thu Mar 2 21:57:45 UTC 2017
Matt <matt.mailinglists at gmail.com>

Is there an easy way to graph ethernet eth0 on Centos 7 with MRTG
without using SNMP?  I thought I found a way to do this in past by
using a shell script to poll the interface but cannot find it back.