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:
May. 15, 2018

Filed:

Aug. 28, 2015
Applicant:

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

Inventor:

Makoto Yasuda, Tsuchiura, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/947 (2013.01); H04L 12/741 (2013.01); H04L 12/721 (2013.01); H04L 12/935 (2013.01); H04L 12/709 (2013.01);
U.S. Cl.
CPC ...
H04L 49/25 (2013.01); H04L 45/245 (2013.01); H04L 45/54 (2013.01); H04L 45/66 (2013.01); H04L 45/74 (2013.01); H04L 49/3009 (2013.01);
Abstract

When relaying a frame received at a MCLAG port to a bridge port, a MCLAG identifier adding unit adds a MCLAG identifier to the frame. When an encapsulated frame to which a MCLAG identifier has been added is received at the bridge port and the encapsulation of the frame, is performed by a peer device, a learning information control unit does not learn an encapsulation address contained in the encapsulated frame. More specifically, the learning information control unit learns a source customer address contained in the frame in association with the MCLAG identifier added to the frame to the address table, but does not learn a source encapsulation address.


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