Dell PowerVault 720N, Command Reference Manual, Page: 367 / 606

System Information and Performance17-5
ifstat [-z] -a |
interface
The
-z
option “zeros” (or clears) the statistics. The
-a
option lists statistics for all the
filer’s interfaces. The interface option indicates the type of interface for which you
want statistics.
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Table 17-1 describes the statistics in the RECEIVE section of the
ifstat
command
output when you use the command on an Ethernet interface.
Table 17-2 describes the statistics in the TRANSMIT section of the
ifstat
com-
mand output when you use the command on an Ethernet interface.
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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.
No buffers
Number of received packets dropped due to the unavail-
ability of buffers.
Length err
Number of frames truncated due to the shortage of
receive descriptors.
Runt frames
Number of runt frames.
Long frames
Number of frames received that exceeded the maximum
Ethernet-specified size of 1,518 bytes.
CRC error
Number of CRC errors that occurred on the received
frames.
H/w overflow
Number of frames discarded because of receive FIFO
overflow.
Process stop
Number of times the receive process stopped.
List overflow
Number of frames dropped due to the unavailability of
descriptors.
Process reset
Number of times the receive process was reset.
Rst frame drops
Number of frames discarded due to the resetting of the
receive process.