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:
Oct. 25, 2022
Filed:
Dec. 09, 2021
Cisco Technology, Inc., San Jose, CA (US);
Amine Choukir, Lausanne VD, CH;
Robert E. Barton, Richmond, CA;
Jerome Henry, Pittsboro, NC (US);
Carlos M. Pignataro, Cary, NC (US);
Domenico Ficara, Essertines-sur-Yverdon, CH;
Vincent Cuissard, Eteaux, FR;
Anirban Karmakar, Ecublens, CH;
CISCO TECHNOLOGY, INC., San Jose, CA (US);
Abstract
A wireless infrastructure that communicates with a DHCP server and a wireless client that rotates its MAC address performs a method including: upon receiving, from the wireless client, a first request with a first MAC address, creating a session context including the first MAC address and a stable identifier, and relaying the first request to the DHCP server; relaying, from the DHCP server to the wireless client, a first DHCP reply that includes an Internet Protocol (IP) address bound to the stable identifier; upon receiving, from the wireless client, a second request with the IP address and a second MAC address, merging the second MAC address and the IP address into the session context, and relaying, to the DHCP server, the second request including the stable identifier; and relaying, from the DHCP server to the wireless client, a second DHCP reply including the IP address bound to the stable identifier.