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:
Sep. 06, 2016

Filed:

Apr. 01, 2014
Applicant:

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

Inventors:

Shyam Kapadia, Santa Clara, CA (US);

Nilesh Shah, Fremont, CA (US);

Sharanya Subramanian, San Jose, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/66 (2006.01); H04L 12/24 (2006.01);
U.S. Cl.
CPC ...
H04L 41/0816 (2013.01);
Abstract

Techniques described herein provide enhanced address allocation services in a network. A switch device in communication with a host device is configured as an address relay device and receives an address request message from the host device. The switch device modifies the address request message to include a response address that uniquely identifies the switch device. The switch device adds in a field of the address request message subnetwork information that identifies a subnetwork to which the host device belongs. The switch device sends the modified address request message to an address server.


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