The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 2014
Filed:
Apr. 05, 2006
Gokul S. Tirumalai, San Jose, CA (US);
Albert Hyde Mitchell, San Jose, CA (US);
Gokul S. Tirumalai, San Jose, CA (US);
Albert Hyde Mitchell, San Jose, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method and apparatus that promote expedited fast link failover decisions by and end station with redundant multilayer switching paths to a network are disclosed. In response to detecting a change in connectivity with an upstream link to a network, an upstream switch may send a notification to an intermediate switch with a downstream link to the end station. In response to the notification, the intermediate switch may disable ('bring down') the downstream link to the end station. Bringing the downstream link down in this manner may cause the end station to switch ('failover') to a different downstream link, for example, allowing the end station to establish connectivity to the network via a redundant path.