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:
Nov. 24, 2015

Filed:

Sep. 26, 2014
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Chidambaram Bhagavathiperumal, Santa Clara, CA (US);

Minh V. Mac, San Jose, CA (US);

Anitha T. Venkatraman, Chantilly, VA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/713 (2013.01); H04L 12/761 (2013.01); H04L 12/46 (2006.01); H04L 12/741 (2013.01);
U.S. Cl.
CPC ...
H04L 45/16 (2013.01); H04L 12/4641 (2013.01); H04L 45/586 (2013.01); H04L 45/745 (2013.01);
Abstract

A system includes a switching processor and switching logic. The switching processor is communicatively coupled to a virtual local area network (VLAN) and/or one or more ports. The switching logic is configured to: install a Multicast Control (MC) table on the switching processor, determine if multicast flooding is disabled in the switching processor; detect whether multicast routers are communicatively coupled to the port(s); install a multicast router flood entry on the MC table at least partially in response to detecting that at least one of the multicast routers is communicatively coupled to the port(s); receive at least one multicast packet at the switching processor; determine at least one received multicast packet destination based at least in part on the multicast router flood entry; and send at least one received multicast packet to the destination(s). Exemplary computer program products and methods are also disclosed.


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