Work mode negotiation
US10050830B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 2, 2014 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Sep 3, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2009/45595
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A work mode negotiation method is disclosed. A core backbone (CB) device transmits a Mode Negotiate Request packet through an Ethernet port to a port extender (PE) device, wherein the Mode Negotiate Request packet carries a set of identifications of the PE devices for cascade. Next, the CB device receives a Mode Negotiate Reply packet through the Ethernet port sent by the PE device, and transmits a Mode Negotiate Acknowledge packet through the Ethernet port to the PE device. Finally, the CB device changes a current work mode of the Ethernet port from an Ethernet mode to a cascade mode after transmitting the Mode Negotiate Acknowledge packet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.