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.

Date of Patent:
Aug. 11, 2015

Filed:

Oct. 26, 2012
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Yaonan Liang, San Carlos, CA (US);

Chengelpet V. Ramesh, San Jose, CA (US);

Ganesh P. Murthy, San Diego, CA (US);

Ming Zhang, San Jose, CA (US);

Rajesh B. Nataraja, Sunnyvale, CA (US);

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/46 (2006.01); H04L 12/743 (2013.01); H04L 12/751 (2013.01); H04L 12/741 (2013.01);
U.S. Cl.
CPC ...
H04L 12/4625 (2013.01); H04L 45/02 (2013.01); H04L 45/54 (2013.01); H04L 45/7457 (2013.01);
Abstract

In one embodiment, a method includes receiving from a server, flow data for a plurality of flows at a network device, the flow data comprising for each flow, a destination address and a time indicating when a last packet was processed for the flow at the server, updating a flow table at the network device, identifying one of the flows in the flow table as an inactive flow, and removing a route for the inactive flow from a forwarding information base at the network device. An apparatus and logic are also disclosed herein.


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