The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8873553 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 28, 2014

Filed:

Mar. 28, 2012
Applicant:

Naoto Ogura, Tokyo, JP;

Inventor:

Naoto Ogura, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/56 (2006.01); H04L 12/46 (2006.01);
U.S. Cl.
CPC ...
H04L 12/4625 (2013.01);
Abstract

A representative line card in a switch system that is configured of a layer 2 switching processor and a plurality of line cards connected to the layer 2 switching processor, the plurality of line cards including at least one representative line card, comprising: an FDB table having FDB information entried therein, and; a learning unit that receives a learning notification including the FDB information from the other line cards excluding its own line card via the layer 2 switching processor, determines whether the FDB information of the learning notification has been entried into the FDB table of its own line card, updates the FDB table of its own line card when the FDB information has not been entried, and transmits the learning notification including the FDB information to the other line cards via the layer 2 switching processor with a multicast.


Find Patent Forward Citations

Ogura, Naoto. (2014). Switch system, line card and learning method of fdb information (U.S. Patent No. 8873553). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8873553

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