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Displaying the Port RMON Window
Issue 5 October 2007
187
 
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.