Patent · US Active

Ethernet layer 2 protocol packet switching

US8085790B2 · kind B2 · utility

7Cited by

7References

17Claims

0Family size

Assignee

Cisco Technology, Inc. · US

Inventors

Robert W. Klessig · Los Altos Hills, US
Vijayakumar Raghavendran · Fremont, US
Muralidhara R. Basavaraju · Ottawa, CA

Key dates

Filing date	Oct 19, 2006
Grant date	Dec 27, 2011
Priority date	—
Expiry date	Jan 18, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04L12/467
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

In one embodiment, an apparatus includes an access node, and the access node includes ports. The access node is operable to perform downlink switching based upon a unique Provider Virtual Local Area Network tag (S-TAG) and a unique IEEE 802.1Q tag header (C-TAG) that is assigned to each port.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.