Switching hub and ring network
US8310917B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Jun 15, 2010 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Jan 20, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/433
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A switching hub for processing a VLAN frame transmitted through a transmission line of a ring network includes two ring ports connected to the transmission line of the ring network, and a forwarding processing mechanism for, when one of the two ring ports receives the frame and when a VLAN in which the received frame belongs is a VLAN only through both the ring ports, forwarding the frame to the other ring port without performing FDB learning on the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.