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:
Jan. 28, 2025

Filed:

Aug. 21, 2023
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Pascal Thubert, Roquefort-les-Pins, FR;

Eric M. Levy-Abegnoli, Valbonne, FR;

Patrick M. P. Wetterwald, Mouans Sartoux, FR;

Ratko Kovacina, Ottawa, CA;

Assignee:

CISCO TECHNOLOGY, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/18 (2006.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 12/1886 (2013.01); H04L 12/1881 (2013.01); H04L 63/0227 (2013.01);
Abstract

A method includes receiving, at a first edge node, an Internet Protocol (IP) multicast address of a first silent host node. The method further includes receiving, at a second edge node, an IP multicast address of a second silent host node. The IP multicast address of the first silent host node is equal to the IP multicast address of the second silent host node. The method further includes storing the IP multicast address of the first and second silent host node in a shared entry of a routing table. The method further includes receiving, at a third edge node, a packet from a third host node and determining that a destination address of the packet corresponds to the IP multicast address stored in the shared entry of the routing table. The method further includes sending the packet to both the first host node and the second host node.


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