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. 01, 2015

Filed:

Feb. 18, 2012
Applicants:

Udayakumar Srinivasan, Fremont, CA (US);

Anuraag Mittal, San Jose, CA (US);

Sudarshana Kandachar Sridhara Rao, Karnataka, IN;

Suraj Nellikar, San Jose, CA (US);

Inventors:

Udayakumar Srinivasan, Fremont, CA (US);

Anuraag Mittal, San Jose, CA (US);

Sudarshana Kandachar Sridhara Rao, Karnataka, IN;

Suraj Nellikar, San Jose, CA (US);

Assignee:

CISCO TECHNOLOGY, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2006.01); G06F 9/46 (2006.01); H04L 12/46 (2006.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); H04L 12/462 (2013.01); G06F 2009/4557 (2013.01); H04L 12/4641 (2013.01);
Abstract

A method is provided in one example embodiment that includes detecting a migration of a virtual machine from an origination host to a destination host and comparing a first root bridge to a second root bridge to verify data link layer continuity of the virtual network on the destination host. The virtual machine is connected to a virtual network, the first root bridge is associated with the virtual network on the origination host and the second root bridge is associated with the virtual network on the destination host. The method may further include blocking the migration if the first root bridge and the second root bridge are not the same.


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