Bridges and other layer-two devices for forwarding MAC frames
US6446131B1 · kind B1 · utility
32Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1999 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Jun 19, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A bridge or other transparent layer-two device uses a simple protocol to filter duplicate frames and learn about nodes connected to a bridged local area network. Using the simple protocol, the bridge or other layer-two device does not need to run a Spanning Tree algorithm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.