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:
Nov. 25, 2025

Filed:

Apr. 08, 2022
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventors:

Sz-Han Wang, Hsinchu, TW;

Kai-Wen Cheng, Hsinchu, TW;

Ming-Dao Chen, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 41/0604 (2022.01); H04L 41/0663 (2022.01); H04L 41/0681 (2022.01); H04L 49/55 (2022.01);
U.S. Cl.
CPC ...
H04L 41/0622 (2013.01); H04L 41/0663 (2013.01); H04L 41/0681 (2013.01); H04L 49/555 (2013.01);
Abstract

A network switch is configured to receive packet data. The network switch includes a memory and a processor. The memory is configured to store an access control list and an abnormity detecting program, filter the packet data according to the access control list, and perform an abnormity detecting procedure on the packet data according to the abnormity detecting program. When at least one abnormity event occurs in one of a plurality of time intervals, a counting value increases. When the counting value reaches a counting threshold value, the memory sends an abnormity notification to the processor and the processor performs an abnormity processing procedure on the packet data.


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