Cabletron Systems CSX200 The CSMACD Statistics Window, Unknown Protocol, Packets Received, 4-23

Models: CSX200 CSX400

1 150
Download 150 pages 59.82 Kb
Page 69
Image 69
Unknown Protocol

Bridging

Unknown Protocol

Displays the number of packets received which were discarded because of an unknown or unsupported protocol. The device bridge interface will discard the packet and increment this counter if it canÕt recognize the packet.

Packets Received

Displays the number of packets received by this interface.

Transmit Queue Size

The number of packets currently queued by the device for transmission from this interface. The amount of device memory devoted to buffer space, and the trafÞc level on the target network, determine how large the output packet queue can grow before the device begins to discard packets.

Packets Transmitted

Displays the number of packets transmitted by this interface.

The CSMACD Statistics Window

The CSCMACD Statistics Windows display statistics for some Ethernet bridging interfaces. Receive errors, transmission errors, and collision errors are displayed in this window.

Three color-coded pie charts allow you to graphically view the breakdowns of each statistics group.

To access the CSMACD Statistics window

from the Bridge Status window:

1.Click on the desired Port button (Packets Received) to display the port menu.

2.Drag down to select CSMACD Stats…. The device port CSMACD Statistics window, Figure 4-6, will appear.

from the Chassis View window:

1.Click on the appropriate port index to access the Port menu.

2.Drag down to select CSMACD Stats…. The device port CSMACD Statistics window, Figure 4-6, will appear.

Bridge Statistics

4-23

Page 69
Image 69
Cabletron Systems CSX200 manual The CSMACD Statistics Window, Unknown Protocol, Packets Received, Transmit Queue Size, 4-23