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:
Jun. 09, 2015

Filed:

Oct. 09, 2012
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;

Inventors:

Di Wu, Shenzhen, CN;

Fenghua Zhao, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/761 (2013.01); H04L 12/931 (2013.01); H04L 12/705 (2013.01);
U.S. Cl.
CPC ...
H04L 45/16 (2013.01); H04L 49/201 (2013.01); H04L 45/18 (2013.01);
Abstract

A method for enabling multicast forwarding relates to the field of IP communication technologies. The method for enabling multicast forwarding implements flexible networking and enables proper function of the multicast proxy. A switch device receives a multicast protocol message; the switch device determines a sender of the multicast protocol message according to a port from which the multicast protocol message is received; the switch device transmits the multicast protocol message transparently if the sender of the multicast protocol message is a routing device or a switching device, and the switch device terminates the multicast protocol message according to a multicast proxy function if the sender of the multicast protocol message is a host of a multicast user.


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