Cabletron Systems AirConnect 3Com Bedienungsanleitung PDF herunterladen (Seite 38)

38 CHAPTER 3: MONITORING STATISTICS

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.

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