
              also be set.<br>
              -<b>S</b> option : Include speed in performance output in bits/s 
              as '&lt;interface_name&gt;_speed_bps'<br>
              <b>-y </b>option : output performance data in % of interface speed<b><br>
              -Y</b> option : output performance data in bits/s or Bytes/s (depending 
              on -B)</p>
            <p class="SectionBody"><b>Note</b> : -y and -Y options need the usage 
              check to ba active (-k)</p>
          