Loop mitigation mechanism for ethernet networks
US8681641B1 · kind B1 · utility
19Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2008 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Feb 9, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/7452
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A technique is provided for mitigating loops in Ethernet networks. A first port in an Ethernet device receives an Ethernet frame. The frame includes a source identifier, a destination identifier, and a Virtual Local Area Network Identifier (VLAN ID). According to various embodiments, the VLAN ID (VID) has the encoding of both a community group as well as a source bridge ID. A VID database is accessed using the destination identifier and the VID to determine whether the first port has ingress enabled. A filtering database is accessed to determine an egress port for forwarding the Ethernet frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.