D-Link DG-102S User Manual page 26

Using Web-Based Management
Ethernet Statistics
Rx Collision Errors: The number of collision errors.
Rx Short Frames: The number of packets smaller than the 64-octet
minimum.
Rx CRC Errors: The number of packets received that failed the CRC
checksum test.
Rx Overrun Packets: The number of packets received that exceed the
1518 octet maximum length imposed on Ethernet packets. Overrun
packets are generated by some proprietary software applications.
Tx Packets: The total number of valid packets transmitted by the device
since the last reset.
Tx Bytes: The total number of bytes transmitted by the device.
Tx Non Ucast Packets: The number of non-unicast packets sent.
Tx Discard Packets: The number of packets dropped by the device.
Tx Heartbeat Errors: The number of heartbeat errors. This relates to an
internal timing function.
Tx Late Collision: The number of late collisions.
Tx Retransmission Limit: The number of times the device had to
retransmit packets.
Tx Underrun Packets: This counter shows the number of runt packets
transmitted by the device that are less than the allowed 64-octet minimum
length. Underrun packets occur due to jam signals generated by collisions,
backpressure, etc.
Tx Carrier Sense Lost: The number of times packets were lost due to
carrier sense lost.
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