Propagating LDP MAC flush as TCN
US8804570B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2010 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Jul 27, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/507
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A first provider edge (PE) device is configured to: receive a Label Distribution Protocol (LDP) MAC Flush message from a PE device via an input port; flush a routing table in response to the LDP MAC Flush message; determine whether the LDP MAC Flush message comprises a PE identifier corresponding to the PE device; generate a Topology Change Notification (TCN) message based on the LDP MAC Flush message when the LDP MAC Flush message comprises the PE identifier corresponding to the PE device; and output the TCN message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.