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.
Patent No.:
Date of Patent:
Feb. 03, 2026
Filed:
Apr. 28, 2023
Hewlett Packard Enterprise Development Lp, Spring, TX (US);
Tathagata Nandy, Bangalore, IN;
Thomas Samuel, Bangalore, IN;
Hewlett Packard Enterprise Development LP, Spring, TX (US);
Abstract
A system for efficient multicast forwarding at a switch is provided. During operation, the switch can maintain a first tunnel with a first switch in a first overlay tunnel fabric, and a second tunnel with a second switch in a second overlay tunnel fabric. The switch can operate as the gateway for both fabrics. The system can obtain a first fabric identifier and a second fabric identifier from multicast control packets received via the first and second tunnels, respectively. A fabric identifier can uniquely identify a fabric. The system can then store, in a data structure, a first network address of the first switch and a second network address of the second switch in association with the first and second fabric identifiers, respectively. The system can determine whether to forward multicast traffic to either one of the first and second fabrics based on the first and second fabric identifiers, respectively.