Patent ID: 9215234
Filing Date: 2015-12-15
Classification: H04L

Abstract:
1. A network security device comprising: a receiver to receive one or more client identity tables from one or more edge network devices, wherein one of the client identity tables includes Media Access Control addresses for a plurality of clients and secondary identification information for each of the clients; and processing hardware implementing: a client information memory and a client addition module to update the received one or more client identity tables by adding the secondary identification information for one of the clients to produce respective updated secondary identification information; a client discovery module to discover a connected client device connected to one of the edge network devices; and a client authentication module to authenticate an identity of the connected client device based on whether the respective Media Access Control address and the respective updated secondary identification information for one of the clients matches a second Media Access Control address and a second secondary identification information of the connected client device and to perform a security action according to a result of authentication.