Motorola WiNG 5 System Reference Manual page 677

9. The Receive Errors field displays the following information about the selected interface:
Rx Frame Errors Displays the number of frame errors received at the interface. A frame error
occurs when a byte of data is received, but not in the format expected.
Rx Length Errors Displays the number of length errors received at the interface. Length errors
are generated when the received frame length was less than (or exceeded)
the Ethernet standard.
Rx FIFO Errors Displays the number of FIFO errors received at the interface. First-in First-Out
queueing is an algorithm that involves buffering and forwarding of packets in
the order of arrival. FIFO entails no priority for traffic. There is only one queue,
and all packets are treated equally.
Rx Missed Errors Displays the number of missed packets. Packets are missed when the
hardware received FIFO has insufficient space to store the incoming packet.
Rx Over Errors Displays the number of overflow errors. An overflow occurs when packet size
exceeds the allocated buffer size.
10.The Transmit Errors field displays the following:
Tx Errors Displays the number of packets with errors transmitted on the interface.
Tx Dropped Displays the number of transmitted packets dropped from the interface.
Tx Aborted Displays the number of packets aborted on the interface because a
Errors clear-to-send request was not detected.
Tx Carrier Errors Displays the number of carrier errors on the interface. This generally indicates
bad Ethernet hardware or cabling.
Tx FIFO Errors Displays the number of FIFO errors received at the interface. First-in-First-Out
queueing is an algorithm that involves the buffering and forwarding of
packets in the order of arrival. FIFO entails no priority for traffic. There is only
one queue, and all packets are treated equally.
Tx Heartbeat Displays the number of heartbeat errors. This generally indicates a software
Errors crash or packets stuck in an endless loop.
Tx Window Displays the number of window errors transmitted. TCP uses a sliding
Errors window flow control protocol. In each TCP segment, the receiver specifies the
amount of additional received data (in bytes) in the receive window field the
receiver is willing to buffer for the connection. The sending host can send only
up to that amount. If the sending host transmits more data before receiving
an acknowledgement from the receiving host, it constitutes a window error.
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