This counter tracks all packets, good or bad, that fall in the 65-127 byte range, covering small-to-medium frames. Network engineers review packet-size distributions to understand their traffic profile and spot anomalies where small packets dominate the link. If 30% of your traffic falls into this range (for example, 300,000 out of 1,000,000 packets), it suggests your network carries a lot of small control frames or responses.