Patent ID: 11888741
Assignee: TELIA COMPANY AB
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for managing a media access control (MAC) address table maintained by a network node, the method performed by the network node and comprising:
defining a first running time and a second running time for a timer, the first running time and the second running time specifying validity times for a MAC address in the MAC address table;
receiving a frame, where a MAC address of a source of the received frame is present in the MAC address table;
detecting whether a MAC address of a destination of the received frame is present in the MAC address table;
applying the first running time to the timer of the MAC address of the source of the received frame, in response to detecting that the MAC address of the destination of the received frame is missing in the MAC address table; and
applying the second running time to the timer of the MAC address of the source of the received frame and to the timer of the MAC address of the destination of the received frame, in response to detecting that the MAC address of the destination of the received frame is present in the MAC address table.