Ok some additional questions:
1.Is it this Sensors provide a graphs like this https://s23.postimg.org/w4q2o2tdn/port.png ?
2.In my case for ONT info packets in/out stats , i need a first do ifindex ,then parse which begins with “GPON 0/” and then add to there the ONT’S ID , is system possible to do this with yaml conf files ?