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NETWORK SWITCH AND METHOD OF PROCESSING DATA FRAME FOR THE SAME

  • US 20200136970A1
  • Filed: 10/29/2018
  • Published: 04/30/2020
  • Est. Priority Date: 10/29/2018
  • Status: Abandoned Application
First Claim
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1. A data frame processing method of a network switch, the data frame processing method comprising:

  • a frame receiving operation of receiving a frame through one port;

    a port identification information comparison operation of comparing port identification information recorded for a source media access control (MAC) address of the received frame to identification information of a port that has received a current frame, with reference to a MAC address table (MAT);

    a threshold comparison operation of comparing a difference between a time at which the frame was finally received from the source MAC address and a time at which a current frame is received to a guard threshold when a result of the comparison is that the recorded port identification information is different from the identification information of the port; and

    a MAC movement processing operation comprising a port identification information update operation of updating the port identification information for the source MAC address with the identification information of the port that has received the current frame when the difference is greater than the guard threshold and comprising a MAC movement prevention operation of preventing the port identification information from being updated when the difference is smaller than the guard threshold.

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