User's Manual

204 Chapter 10 RMON
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2 Do one of the following:
• From the shortcut menu, choose Graph.
• From the Device Manager main menu, choose Graph > Port.
• On the toolbar, click Graph button.
The graph Port dialog box opens displaying the Interface tab (Figure 108).
3 Click the RMON tab.
The RMON tab opens and displays the Ethernet statistics (Figure 108).
Figure 108 Port dialog box — RMON tab
For descriptions of the RMON tab fields, refer to Table 40 on page 111. For
descriptions of the statistics columns, refer to Table 11 on page 45.
Viewing history
Ethernet history records periodic statistical samples from a network. A sample is
called a history and is gathered in time intervals referred to as “buckets.”
Histories establish a time-dependent method for gathering RMON statistics on a
port. The default values for history are:
• Buckets are gathered at 30-minute intervals.