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The Ethernet History group records periodic statistical samples from a network. A sample is called a history and is gathered in time intervals referred to as "buckets." By enabling and creating histories, you establish a time-dependent method for gathering RMON statistics on a port. This information is displayed in the History tab.
The following are default values for history:
· 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 enable RMON history on a port basis:
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From the port shortcut menu, choose Enable Rmon History. |
To enable RMON history on all ports:
To verify that RMON statistics are enabled, choose Rmon > Control > History. Note that the default owner in the screen is the host name on which Device Manager is running.
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