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. 24, 2020

Filed:

Jul. 28, 2017
Applicant:

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

Inventors:

Chiragkumar P. Desai, San Jose, CA (US);

John Manuel Lau Moy, Belmont, CA (US);

Chien-Hsun Wang, Pleasanton, CA (US);

Prakash Jhurani, Sunnyvale, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 29/08 (2006.01); H04L 12/24 (2006.01);
U.S. Cl.
CPC ...
H04L 41/0806 (2013.01); H04L 41/0859 (2013.01); H04L 67/26 (2013.01); H04L 41/0866 (2013.01);
Abstract

Stack switching detection may be provided. First, a request to connect to a server may be received by the server from a first network device. Then the server may send, in response to receiving the request, a query to the first network device for a serial number of any other network device connected to the first network device. The first network device may have a first serial number. The server may receive, from the first network device, a response to the query. The response may include a second serial number corresponding to a second network device connected to the first network device. Next, the server may determine, based on the response, that the first network device and the second network device comprise a stack unit. The server may then provision the stack unit by provisioning the first network device and provisioning the second network device through the first network device.


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