Fast failover recovery for stackable network switches
US8681603B1 · kind B1 · utility
2Cited by
8References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 6, 2012 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Nov 6, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L43/00
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network switch including first, second, and third stack units. The first stack unit includes a first interface configured to communicate, via a first link, with a second stack unit of the network switch; a second interface configured to communicate, via a second link, with a third stack unit of the network switch; and a forwarding engine configured to transfer a first packet to the first interface, and in response to the first link being inoperative, to (i) receive the first packet from the first interface, and (ii) transfer the first packet received from the first interface to the second interface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.