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:
May. 01, 2012

Filed:

Mar. 07, 2006
Applicants:

Doron Oz, Even Yehuda, IL;

Michel Khouderchah, Cupertino, CA (US);

Chandrasekar Krishnamurthy, Sunnyvale, CA (US);

Inventors:

Doron Oz, Even Yehuda, IL;

Michel Khouderchah, Cupertino, CA (US);

Chandrasekar Krishnamurthy, Sunnyvale, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2006.01); G06F 11/00 (2006.01); G08C 15/00 (2006.01); H04J 1/16 (2006.01); H04J 3/14 (2006.01); H04J 3/16 (2006.01); H04J 3/22 (2006.01); H04L 1/00 (2006.01); H04L 12/26 (2006.01); H04L 12/28 (2006.01); H04L 12/56 (2006.01); G06F 15/177 (2006.01); G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods and devices for managing traffic are described. Traffic from a source in a virtual private network (VPN) is received. The traffic is directed to a virtual interface that is designated to receive traffic from the VPN. The virtual interface is configured to associate the traffic with an identifier that uniquely identifies the VPN to a session border controller (SBC). The SBC can use the identifier to determine whether the source and the destination of the traffic are in the same VPN.


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