ZyXEL Communications ZyXEL Dimension ES-3024 User Manual

Page 123

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Dimension ES-3024 Ethernet Switch

Statistics

19-11

Table 19-7 Port Details

LABEL DESCRIPTION

and 1518 octets in length.

>1518

This field shows the number of frames (including bad frames) transmitted that were greater than
1518 octets in length.

Multicast

This field shows the number of good multicast frames received.

Broadcast

This field shows the number of good broadcast frames received.

Pause

This field shows the number of 802.3x Pause frames received.

Tagged

This field shows the number of frames with VLAN tags received.

Control

This field shows the number of control received (including those with CRC error) but it does not
include the 802.3x Pause frames.

TX Collision

The following fields display information on collisions while transmitting.

Single This is a count of successfully transmitted frames for which transmission is inhibited by exactly

one collision.

Multiple This is a count of successfully transmitted frames for which transmission was inhibited by more

than one collision.

Excessive This is a count of frames for which transmission failed due to excessive collisions. Excessive

collision is defined as the number of maximum collisions before the retransmission count is
reset.

Late This is the number of times a late collision is detected, that is, after 512 bits of the frame have

already been transmitted.

Error Packet

The following fields display detailed information about frames received that were in error.

RX CRC This field shows the number of frames received with CRC (Cyclic Redundant Check) error(s).

Length This field shows the number of frames received with a length that was out of range.

Alignment This field shows the number of frames received of proper size but with CRC error(s) and a non-

integral number of octets.

Runt This field shows the number of frames received that were too short (shorter than 64 octets),

including the ones with CRC errors.

Dropped Packet

The following filed indicates why frames were dropped.

Giant This field shows the number of frames dropped because they were bigger than the maximum

frame size.

Poll Interval(s)

The text box displays how often (in seconds) this screen refreshes. You may change the refresh
interval by typing a new number in the text box and then clicking Set Interval.

Stop Click

Stop to stop port statistic polling.

Clear Counter

Click this button to erase the recorded statistical information for this port.

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