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:
Dec. 03, 2019

Filed:

Sep. 27, 2017
Applicant:

Hewlett Packard Enterprise Development Lp, Houston, TX (US);

Inventors:

Anil Raj, Bangalore, IN;

Anoop Govindan Nair, Bangalore, IN;

Venkatavaradhan Devarajan, Bangalore, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/775 (2013.01); H04L 29/14 (2006.01); H04L 12/703 (2013.01); H04L 29/08 (2006.01); H04L 29/12 (2006.01); H04L 12/24 (2006.01);
U.S. Cl.
CPC ...
H04L 45/583 (2013.01); H04L 45/28 (2013.01); H04L 67/2814 (2013.01); H04L 69/40 (2013.01); H04L 29/12264 (2013.01); H04L 41/06 (2013.01); H04L 61/2046 (2013.01);
Abstract

Examples disclosed herein relate to a grace link state advertisement (LSA) from a virtual stack device. In an example, a first member network device of a virtual stack device may an input from a Multi-Active Detection (MAD) device. The virtual stack device may be a logical network device comprising the first member network device and a second member network device. Based on the input from the MAD device, the first member network device may determine whether a grace link state advertisement (LSA) is to be sent to a neighbor Open Shortest Path First (OSPF) enabled router by the first member network device, wherein the neighbor OSPF enabled router is an OSPF neighbor to the virtual stack device.


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