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.
• Number of buckets gathered is 50.

Both the time interval and the number of buckets is configurable. However, when the last bucket is reached, bucket 1 is dumped and "recycled" to hold a new bucket of statistics. Then bucket 2 is dumped, and so forth.

To view RMON history:

1. From the Device Manager main menu, choose Rmon > Control > History
1. Select an RMON entry.
2. On the toolbar, click Graph.

The RMON graph Port dialog box opens displaying the Interface tab.

3. Click the Rmon tab.

The Rmon tab opens.