Displaying the Port RMON Window
Scrolling within the Graph
To scroll within the graph, hold the left mouse button down while moving the mouse from the graph in the direction you want to scroll. The graph scrolls in the selected direction.
Unfreezing the Graph
When zooming or scrolling within the graph, the display freezes and is not updated with the current information. To reactivate the display, click anywhere in the graph. The graph display is restored to normal, and the graph is reactivated.
Traffic Types
The bottom of the Port RMON window contains a list of various types of traffic. Each traffic type has a checkbox next to it. Only traffic types whose checkboxes are checked are displayed in the Port RMON graph.
The following table provides a list of the traffic types and their descriptions.
Table 64: Traffic Types
Field | Description |
|
|
Unicast | Total number of good packets received that were directed to a unicast |
| address. |
|
|
Multicast | Total number of good packets directed to a multicast address. |
|
|
Broadcast | Total number of good packets directed to a broadcast address. |
|
|
Total | Total number of packets of valid frame length that were received on |
| the port. |
|
|
CRC Errors | Total number of Ethernet packets received at this port with FCS error |
| and Framing error. This indicates the number of corrupted packets |
| received. |
|
|
Over Size | Total number of Ethernet packets received at this port whose octet |
| count is more than the maximum standard packet length. |
|
|
Fragments | Total number of Ethernet packets received at this port whose octet |
| count is less than the minimum standard packet length. |
|
|
Jabber | Total number of Ethernet packets received at this port that are too long |
| and include CRC errors. |
|
|
Collisions | Total number of Ethernet collisions in which the port was involved. |
|
|
Issue 5 October 2007 187
