Out Octets

The total number of octets transmitted out of the interface, including

 

framing characters.

Out Unicast Pkts.

The total number of packets that higher-level protocols requested be

 

transmitted to a subnetwork-unicast address, including those that

 

were discarded or not sent.

Out Non-Unicast

The total number of packets that higher-level protocols requested be

Pkts.

transmitted to a non- unicast (that is, a subnetwork-broadcast or

 

subnetwork-multicast) address, including those that were discarded

 

or not sent.

Out Discards

The number of outbound packets which were chosen to be

 

discarded even though no errors had been detected to prevent their

 

being transmitted. One possible reason for discarding such a packet

 

could be to free up buffer space.

Out Errors

The number of outbound packets that could not be transmitted

 

because of errors.

CRC Errors

Number of Ethernet Cyclic Redundancy Check errors detected by

 

this device.

Ethernet-Like

 

Single Collisions

The number of successfully transmitted frames for which

 

transmission is inhibited by exactly one collision.

Deferred

A count of frames for which the first transmission attempt on a

Transmissions

particular interface is delayed because the medium was busy.

Excessive

The number of frames for which transmission failed due to excessive

Collisions

collisions.

Drop Events

The total number of events in which packets were dropped due to

 

lack of resources.

Octets

Number of octets passing through this port.

Multiple Collisions

A count of successfully transmitted frames for which transmission is

 

inhibited by more than one collision.

Late Collisions

The number of times that a collision is detected later than 512

 

bit-times into the transmission of a packet.

Carrier Sense

The number of times that the carrier sense condition was lost or

Errors

never asserted when attempting to transmit a frame.

Fragments

The total number of frames received that were less than 64 octets in

 

length (excluding framing bits, but including FCS octets) and

 

contained either an FCS or alignment error.

Jabbers

The total number of frames received that were longer than 1518

 

octets (excluding framing bits, but including FCS octets), and

 

contained either an FCS or alignment error.

Note:

 

Statistics are refreshed every 10 seconds by default (chapter 3 “Configuring the Serial Port”).

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