You can create a graph of the port statistics to generate a visual
representation of your data.
 
Procedure
- In the Device Physical
View, select the port or ports for which you want to create a graph.
- In the navigation pane,
expand the  folders, and then click Port.
OR, use the following shortcut: Right-click the selected port or ports from Step 1, and choose Graph.  
 
- On the Graph Port tab for the selected port or ports, select the item you want to
graph.
- Click an icon to select
the type of graph you require. The following list provides the graph
types available: 
- Line Chart 
- Area Chart 
- Bar Chart 
- Pie Chart