The total number of frames received on a port that were dropped (zero PORT_MASK) due to the destination or source address being blocked.
- was any data or MAC control frame which matched a unicast, broadcast or multicast address, or matched due to promiscuous mode, and
- Any length (including less than 64 bytes and greater than RX_MAXLEN bytes)
- had no CRC error, alignment error, or code error, and
- the source or destination address matched a table entry with the block bit set.