If the value of the unitsCounted attribute in moduleData component
is segments, this attribute counts the number of segments in frames
with the Discard Eligibility (DE) bit set sent to the subnet since the
start of the interval period. If the value of the unitsCounted attribute
in moduleData component is frames, this attribute counts the
number of frames with the Discard Eligibility (DE) bit set sent to
the subnet since the start of the interval period. The start of the
interval period is captured in the startTime attribute. The count is
reset to zero when an accounting record is generated.