tmnxBsxAaSubSumMedDurFlws 1.3.6.1.4.1.6527.3.1.2.63.1.8.1.21

The value of tmnxBsxAaSubSumMedDurFlws indicates the total number of flows with a duration less than or equal to 180 seconds, but greater than 30 seconds, that have completed.