Gigabit Ethernet interface statistics

RECEIVE section statistics

The following table describes the statistics in the RECEIVE section of the ifstat command output when you use the command on a Gigabit Ethernet interface.

Statistic	Meaning
Packets	Number of packets received on the interface.
Bytes	Number of bytes received on the interface.
Errors	Number of errors during Ethernet frame reception, including all kinds of receive errors.
Queue full	Number of received packets dropped due to the unavailability of buffers.
Unicast packets	Number of unicast packets received.
Runt frames	Number of runt frames received.
No buffers	Number of times the driver failed to get buffers from the system for its receive descriptor ring.

TRANSMIT section statistics

The following table describes the statistics in the TRANSMIT section of the ifstat command output when you use the command on a Gigabit Ethernet interface.

Statistic	Meaning
Packets	Number of packets attempted to be transmitted.
Bytes	Number of bytes attempted to be transmitted.
Errors	Number of hardware errors encountered while attempting to transmit.
Collisions	Number of collisions that occurred while transmitting frames.
Unicast packets	Number of unicast packets transmitted.

DEVICE section statistics

The following table describes the statistics in the DEVICE section of the ifstat command output when you use the command on a Gigabit Ethernet interface.

Statistic	Meaning
Received errors	Number of errors encountered during reception by the interface.
Transmit errors	Number of errors encountered during transmission by the interface.
Collisions	Number of collisions encountered during transmission by the interface.