Patent ID: 11870607
Assignee: FORTINET, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method performed by a processing resource of a network switch for detecting a physical loop in a non-native Virtual Local Area Network (VLAN), the method comprising:
configuring a set of one or more network chips associated with an interface of a plurality of interfaces of the network switch to provide an indication regarding a Media Access Control (MAC) move event for the interface, wherein the interface is associated with the non-native VLAN;
responsive to receipt of the indication, determining whether a number of MAC move events on the non-native VLAN for the interface meets an event count threshold within each unit of time for consecutive units of a plurality of consecutive units of time; and
identifying existence of the physical loop on the non-native VLAN based on determining being affirmative.