Bridging network device with time windowed discovery of machine addresses
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United States of America Patent
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Aug 17, 2004
Grant Date -
N/A
app pub date -
Dec 11, 2000
filing date -
Dec 11, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to an apparatus and a method for bridging of Ethernet frames between a subscriber LAN and the ATM network. In accordance with the invention a novel (time window discovery) method is used, with coordination of the network administrator and an access management system to provision a network bridging element or bridge with a set of provisioned devices authorized to forward data packets across the bridge. The bridge is allowed within a time window to learn machine-specific MAC addresses for the provisioned table. After the window is expired, or terminated by access management system, the bridge is switched back to learning mode to learn additional MAC addresses for a learned table in the traditional manner. The devices learned during the learning phase are not authorized to forward data packets across the bridge.
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