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.

Date of Patent:
Oct. 17, 2017

Filed:

Apr. 06, 2015
Applicant:

Hitachi Metals, Ltd., Minato-ku, Tokyo, JP;

Inventors:

Makoto Yasuda, Tsuchiura, JP;

Shigeru Tsubota, Tsuchiura, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/947 (2013.01); H04L 12/939 (2013.01); H04L 12/26 (2006.01); H04L 12/24 (2006.01);
U.S. Cl.
CPC ...
H04L 49/25 (2013.01); H04L 43/0817 (2013.01); H04L 49/552 (2013.01); H04L 41/0663 (2013.01);
Abstract

A MCLAG table retains a first port in association with a first identifier. A port control unit controls a first port group to a transmission/reception permitted state when the first port group is set to active, and controls the first port group to a transmission/reception prohibited state when the first port group is set to standby. A relay processing unit relays a frame containing the first identifier as a destination port to the first port group when the first port group is controlled to the transmission/reception permitted state and relays the same to a bridge port when the first port group is controlled to the transmission/reception prohibited state. When the first port group is controlled to the transmission/reception prohibited state, a transmission stop instructing unit instructs a peer device to stop frame transmission to the first port group.


Find Patent Forward Citations

Quick Actions:

Yasuda, Makoto. (2017). Relay system and switching device (U.S. Patent No. 9794194). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9794194

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