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:
Mar. 22, 2022
Filed:
Jan. 16, 2020
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 29/06 (2006.01); H04L 43/12 (2022.01); H04L 43/0823 (2022.01);
U.S. Cl.
CPC ...
H04L 43/12 (2013.01); H04L 43/0823 (2013.01); H04L 63/1425 (2013.01); H04L 63/1458 (2013.01);
Abstract
This disclosure describes various methods, systems, and devices related to identifying an issue in a network using a probe packet. An example method includes identifying an expired data packet transmitted in a network and addressed to a destination; generating a probe packet addressed to the destination; and forwarding the probe packet. When the probe packet is received, a report indicating a routing loop in the network can be transmitted to an administrator.