Automatic association of local area network station addresses with a repeater port
Patent 5179554 Issued on January 12, 1993. Estimated Expiration Date: 
April 8, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 8, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesLocal area network bridge Multiport repeater Local area network bridge Private automatic branch exchange system with line accessing number adding feature Transparent load sharing for parallel networks Bridge communication system Patent #: 5060228 InventorsAssigneeApplicationNo. 682186 filed on 04/08/1991US Classes:370/257, In a bus system370/221, Bypass an inoperative station370/402Bridge between bus systemsExaminersPrimary: Olms, Douglas W.Assistant: Jung, Min Attorney, Agent or FirmInternational ClassH04L 012/46AbstractAutomatic tracking of the topology of an extended local area network by augmenting a station address list kept by a bridge with a list of repeater numbers and repeater port numbers. The bridge periodically iterates through its list of stations to select a station address. The selected address table is forwarded to all of the repeaters connected to the bridge. The repeaters watch for the selected address appearing as a source address in a message on one of their ports. If the address is seen, they report the repeater port number back to the bridge. Because the repeaters are interconnected such that a predetermined port number is always used as the common port between repeaters, any possible ambiguities are eliminated.Other References
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