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. 13, 2016

Filed:

Sep. 18, 2014
Applicant:

Arista Networks, Inc., Santa Clara, CA (US);

Inventors:

Douglas Alan Gourlay, San Francisco, CA (US);

Hua Zhong, Santa Clara, CA (US);

Assignee:

Arista Networks, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/44 (2006.01); G06F 13/40 (2006.01);
U.S. Cl.
CPC ...
G06F 9/4416 (2013.01); G06F 13/4022 (2013.01);
Abstract

A method for maintaining a switch. The method includes identifying a first phase to enter in a boot-up process for the switch, where the boot-up process includes a number of phases and the first phase is one of the phases. The method further includes determining a phase exit condition from a first snapshot of the switch, where the first snapshot includes state information for each of the of phases. The method further includes transitioning to the first phase and after transitioning to the first phase: starting a first countdown timer for the first phase, and executing, on the switch, a first networking protocol for the first phase. The method further includes determining, in response to the executing, that a first current state of the switch satisfies the phase exit condition, and exiting the first phase, where the first countdown timer is not expired when exiting the first phase.


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