Allied Telesis AT-S39 - Manual (Page 212)

Section II: Local and Telnet Management
212
Received Overflow
Number of times the capacity of the port buffers have been
exceeded.
Received Broadcast
Number of broadcast packets received on the switch.
Received Multicast
Number of multicast packets received on the switch.
CRC Error
Number of packets with a cyclic redundancy check (CRC) error but
with the proper length (64-1518 bytes) received by the switch.
Undersize Packets
Number of packets that were less than the minimum length
specified by IEEE 802.3 (64 bytes including the CRC) received on
the switch.
Fragmented Packets
Number of undersized packets, packets with alignment errors,
and packets with FCS errors (CRC errors) received on the switch.
Oversize Packets
Number of packets exceeding the maximum specified by IEEE
802.3 (1518 bytes including the CRC) received on the switch.
Port in Discards
Number of frames successful received and buffered by the switch,
but discarded and not forwarded.
If you want to clear the counters on the switch and return them to “0”,
select the option “3 - Clear Statistics” from the Ethernet Statistics Menu.