Virtual link aggregation extension (vLAG+) enabled in a trill-based fabric network
US9276843B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2013 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Oct 25, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method for providing virtual link aggregation (vLAG) in a transparent interconnection of lots of links (TRILL)-enabled network, includes creating a virtual routing bridge logically connected to a first physical routing bridge and a second physical routing bridge to form a vLAG group at an edge of the TRILL-enabled network; determining a first distribution tree linking the first physical routing bridge to every other routing bridge in the TRILL-enabled network in a non-repeating fashion, ending with the second physical routing bridge; determining a second distribution tree linking the second physical routing bridge to every other routing bridge in the TRILL-enabled network in a non-repeating fashion, ending with the first physical routing bridge; receiving a multicast packet at the virtual routing bridge from one of the physical routing bridges; and distributing the multicast packet according to either the first or the second distribution tree thereby preventing looping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.