Detection of active nodes, safe node removal conditions, and cross-cabling conditions for maintenance operations within a multi-chassis routing matrix
US8238230B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2010 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | Nov 18, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/28
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system includes a first device connected to a second device The first device includes a second node connected to a first node and the second device via a link, and includes a backup second node connected to the first node and the second device via another link. The first node is configured to receive, via the link or the other link, a group of packets (i.e., “packets”), from the second device; display a first notification that the second node can be removed when the packets are received via only the other link; display a second notification indicating that the backup second node can be removed when the packets are received via only the link; and display a third notification indicating that neither the second node nor the backup second node can be removed when the packets are not received via only the link and via only the other link.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.