Cabletron Systems STS16-20R - Manual (Page 142)

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SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide Switch Configuration
Port
The port to which you want to assign an aging time.
Aging Time (min.)
A valid port aging time associated with the port. Addresses will be discarded after
reaching the set time limit. The default setting for this parameter is 5 minutes. The
maximum time for this value is 9999 minutes. 0 indicates that address aging is
disabled.
Demand Aging Level
Sets a percentage threshold of address table capacity to ensure that the port’s
address table is populated only by the most frequently used addresses. Addresses
are stored until reaching the maximum capacity of the table, then discarded in a
specific order until the set percentage of table capacity is reached. If the table fills
again, the aging process continues to cycle in the same manner. The default value
is 90%.