Panasonic PN261693D Manual page 177

The following describes how to use several commands on this screen.
S Switches the port to display the value.
Press S (command), and then the appearance of the command prompt becomes "Select
port-number>". Enter the port-number to be displayed.
N Displays the value of the next port.
Press N to display the counter of the next port. It is disabled on the port 28 (or 28th port).
P Displays the value of the previous port.
Press P, and then a counter of the previous port is displayed. Regarding the port 1, it is dis-
abled.
U Changes the counter display.
Press U, and then the display is switched to the counter display from starting.
R Resets the value of a counter.
Press R, and then the value of the counter is reset. The appearance becomes switched to
the display from the counter reset.
F Configures the update mode of the screen.
Press F, and then the appearance of the command prompt becomes "Select refresh mode
>". Press 1 to stop the automatic update, and 2 to change the update interval. If 2 is
entered, the appearance of the command prompt becomes "Input refresh time>". Enter
the integer in the range from 5 to 600 (seconds).
Q Returns to the top menu.
The following describes the counter content.
Total RX Bytes Displays the number of bytes for all the packets received.
Total RX Pkts Displays the number of all the packets received.
Good Broadcast Displays the number of broadcast packets received.
Good Multicast Displays the number of multi-casts packets received.
CRC/Align Errors Although this indicates an error packet and the length of normal packets (from
64 to 1,518 bytes), the number of packets where errors are found with FCS
(frame check sequence) is displayed. Among them, CRC (FCS) error indicates
that the packet length is 1 byte multiplied by an integer, and an alignment error
means otherwise.
Undersize Pkts Although this indicates an error packet and the packet length is shorter than 64
bytes, the number of packets without abnormalities is displayed for other con-
tents.
Oversize Pkts <During Jumbo status Disabled>
Displays the number of packets; the length is longer than 1,518 bytes.
<During Jumbo status Enabled>
Displays the number of packets; the length is longer than 9,216 bytes.
Fragments This indicates an error packet, and its length is shorter than 64 bytes. The num-
ber of packets, which cause CRC errors or an alignment error, is displayed.
Jabbers This indicates an error packet, and its length is longer than 1,518 bytes. The
number of packets, which cause CRC errors or an alignment error, is displayed.
Collisions Displays the number of packet collisions, which occur.
64-Byte Pkts Displays the total number of packets whose packet length is 64 bytes.
65-127 Pkts Displays the total number of packets whose length is between 65 and 127
bytes.
128-255 Pkts Displays the total number of packets whose length is between 128 and 255
bytes.
256-511 Pkts Displays the total number of packets whose length is between 256 and 511
bytes.
512-1,023 Pkts Displays the total number of packets whose length is between 512 and 1,023
bytes.
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