CLI Guide

Layer 2 Switching Commands 417
When the errors parameter is provided, the following counters are displayed:
Excessive Collisions Counted frames for which transmission fails due to
excessive collisions.
Received packets
dropped > MTU
Count of received frames dropped due to frame length
greater than the configured MTU.
Transmitted oversized
packets
Count of frames transmission > 1518 octets.
Internal MAC Rx Errors A count of frames for which reception fails due to an
internal MAC sublayer receive error.
Received Pause Frames A count of MAC Control frames received with an opcode
indicating the PAUSE operation.
Transmitted Pause
Frames
Counted MAC Control frames transmitted on this
interface with an opcode indicating the PAUSE operation.
Received PFC Frames A count of the received Priority Flow Control (PFC)
frames.
Transmitted PFC
Frames
A count of the transmitted PFC frames.
Receive Packets
Discarded
Count of frames discarded on receipt due to any reason.
Transmit Packets
Discarded
Count of packets queued for transmission and discarded for
any reason.
Counters Description
Align-Err Alignment errors—Alignment errors are the count of
packets received which did not have an integral number of
octets. See RFC1271 etherStatsCRCAlignErrors for further
information. These are almost certainly physical
impairments (transceiver or cable) on a 10m link. Replace
the cable and transceivers.
Field Description