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Ethernet statistics, Radio frequency statistics – Cabletron Systems AirConnect 3Com User Manual

Page 38

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38

C

HAPTER

3: M

ONITORING

S

TATISTICS

Select any other item or click Access Point at the top of the navigation pane to exit.

Ethernet Statistics

The AP keeps Ethernet performance statistics, including packet transmission and
data retries, until it is reset.

To view or change Ethernet statistics, select Statistics-->Ethernet Statistics.

You can dynamically update this information by using the Refresh option. Click
Start Refresh

at the bottom of the page to update the values approximately once

every two seconds. Click Stop Refresh

at the bottom of the page to terminate

dynamic updates.

Select any other item or click Access Point at the top of the navigation pane to exit.

Radio Frequency
Statistics

The AP keeps radio performance statistics, including packet and communication
information.

To view the Radio Frequency statistics, select Statistics-->RF.

You can dynamically update this information by using the Refresh option. Click
Start Refresh

at the bottom of the page to update the values approximately once

every two seconds. Click Stop Refresh

at the bottom of the page to terminate

dynamic updates.

Select any other item or click Access Point at the top of the navigation pane to
escape from the Ethernet Statistics page.

Statistic

Definition

Packets Seen

Packets received on the Ethernet interface.

Packets Forwarded

Packets forwarded from the Ethernet interface to other
interfaces.

Discarded/No Match—Packets discarded because of
unknown destinations (destinations not in the known list
of database entries).

Discarded/Forced—Packets discarded because of the
applied address filters.

Discarded/Buffer—Packets discarded because of
insufficient buffers in AP.

Discarded/CRC—Packets discarded because of data errors.

Broadcast/Multicast

Total broadcast or multicast packets received.

Individual Address

Packets received with designated individual addresses.

Packets Sent

Total packets sent out.

Any Collision

Packets affected by at least one collision.

1 + Collisions

Packets affected by more than one collision.

Maximum Collisions Packets affected by the maximum number of collision.

Late Collisions

Collisions occurring after the first 64 bytes.

Defers

The number of times the AP had to defer transmit requests on
the Ethernet because of a busy medium.