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:
Mar. 06, 2018

Filed:

Nov. 18, 2015
Applicant:

Gigamon Inc., Santa Clara, CA (US);

Inventors:

Zbigniew Sufleta, Cobb, CA (US);

Hung Chuen Jason Lee, Palo Alto, CA (US);

Ramakrishna Manchiraju-Venkata, Sunnyvale, CA (US);

Tanmay Kishore, Fremont, CA (US);

Yan Xiu, San Ramon, CA (US);

Hung Nguyen, Santa Clara, CA (US);

Sitti Amarittapark, Santa Clara, CA (US);

Assignee:

Gigamon Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/751 (2013.01); H04L 12/721 (2013.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 45/02 (2013.01); H04L 45/26 (2013.01); H04L 63/1416 (2013.01);
Abstract

Introduced herein is a technology for a network switch device to route network packets through a inline tool, without introducing additional information to the network packets. The technology records an association between an input network port and a signature (e.g., source MAC address) of the network packet, before forwarding the packet to the inline tool. When receiving the packet back from the inline tool, the network device recognizes that the packet signature is associated with the input network port, and that the input network port is paired with a particular output network port. Thus, the network device identifies the output network port for sending the packet, without modifying contents of the packet.


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