
Configuring Ethernet, FDDI, and Token Ring Services
B-6
308623-14.00 Rev 00
show ethernet errors
The
show ethernet errors
command displays receive, transmit, and system errors for all
Ethernet circuits or for a specific circuit or slot.
This command allows for the following command filters (flags) and filter arguments:
The output includes the following information:
-circuit
<circuit_name>
Displays information about the specified circuit only.
-slot
<slot>
Displays information about the specified slot only.
<circuit_name>
Displays information about the specified circuit only.
Receive Errors
Slot/Conn Slot location of the Ethernet module within the chassis and the
connector number.
Circuit Name of the circuit associated with this line.
Checksum Errors Number of frames received with a CRC error.
Alignment Errors Number of frames received that did not contain an integral number
of octets. Normally a frame alignment error also causes a checksum
error on the frame.
Overflow Errors Number of overflow errors received on this line in which the device
FIFO buffer overflowed before obtaining the next DMA cycle.
Frames Too Long Number of frames received that exceed the MTU size.
Symbol Errors Number of errors in hardware MLT3 encoding. This indicates a
problem and is relevant only for 100 Mb/s lines.
Internal MAC Errors Number of frames containing fewer than 64 octets (
runt packets
).
Late Collision Number of transmitter out-of-window collisions while receiving the
next packet. This usually indicates wiring or other hardware
problems.
Transmit Errors
Slot/Conn Slot location of the Ethernet module within the chassis and the
connector number.
Frames Too Long Number of frames transmitted that exceed the MTU size.
Underflow Errors Number of frames in which the transmitter was unable to obtain an
entire packet from memory fast enough to keep up with the
interface.
(continued)
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