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:
Jul. 26, 2011
Filed:
Nov. 03, 2006
Mohamed Khalid, Cary, NC (US);
Rajiv Asati, Morrisville, NC (US);
Shashidhar P. Patil, Karnataka, IN;
Aamer Akhter, Cary, NC (US);
Mohamed Khalid, Cary, NC (US);
Rajiv Asati, Morrisville, NC (US);
Shashidhar P. Patil, Karnataka, IN;
Aamer Akhter, Cary, NC (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method, system, and computer program product for dynamically updating a routing table in a virtual private network including a concentrator with a routing table and one or more security associations is provided. A change is identified in the virtual private network, and related network information is also identified. A notification update message is created, including (i) a type of change to be made to the routing table based on to the identified change and (ii) the related network information. The notification update message is sent to the concentrator, which updates the routing table according to the notification update message. During the updating of the routing table of the concentrator, current security associations of the virtual private network tunnel are maintained.