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Field Description
pass through the interface.
• Symbol error frames—Frames that contained at least one
undefined symbol.
• Unknown operation code frames—Non-pause MAC
control frames.
• Length error frames—Frames whose 802.3 length fields
did not match the actual frame length (46 to 1500 bytes).
ignored
Number of inbound frames dropped because the receiving buffer
of the port ran low.
parity errors Total number of frames with parity errors.
Output(total)
Outbound traffic statistics (in packets and bytes) for the interface.
All outbound normal and abnormal packets and normal pause
frames were counted.
Number of outbound unicast packets, number of outbound
broadcasts, number of outbound multicasts, and number of
outbound pause frames.
A hyphen (-) indicates that the statistical item is not supported.
Output(normal)
Outbound normal traffic and pause frame statistics (in packets
and bytes) for the interface.
Number of outbound normal unicast packets, number of
outbound normal broadcasts, number of outbound normal
multicasts, and number of outbound normal pause frames.
A hyphen (-) indicates that the statistical item is not supported.
output errors Number of outbound packets with errors.
underruns
Number of packets dropped because the output rate of the
interface exceeded the output queuing capability. This is a
low-probability hardware anomaly.
buffer failures
Number of packets dropped because the transmit buffer of the
interface ran low.
aborts
Number of packets that failed to be transmitted, for example,
because of Ethernet collisions.
deferred
Number of frames that the interface deferred to transmit because
of detected collisions.
collisions
Number of frames that the interface stopped transmitting because
Ethernet collisions were detected during transmission.
late collisions
Number of frames that the interface deferred to transmit after
transmitting their first 512 bits because of detected collisions.
lost carrier
Number of carrier losses during transmission. This counter
increases by one when a carrier is lost, and applies to serial WAN
interfaces.
no carrier
Number of times that the port failed to detect the carrier when
attempting to send frames. This counter increases by one when a
port failed to detect the carrier, and applies to serial WAN
interfaces.
# Display brief information about all interfaces.
<Sysname> display interface brief
Brief information on interfaces in route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
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