Network switching device with forwarding database tables populated based on use
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United States of America Patent
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Oct 18, 2005
Grant Date -
May 2, 2002
app pub date -
Dec 20, 2001
filing date -
Oct 5, 1998
priority date (Note) -
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Abstract
A switching device for forwarding network traffic to a desired destination on a network, such as a telephone or computer network. The switching device includes multiple ports and uses a lookup table containing lookup keys to determine which port to forward network traffic over. The lookup tables are populated based on use. Consequently, the lookup tables on different ports contain different addresses. By storing only addresses that a port uses, each port's lookup table is unique to that port's characteristics. Additionally, aging techniques are used on both source and destination addresses in the lookup table so that stale entries are removed and memory is conserved.
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