Patent ID: 7593397
Filing Date: 2009-09-22
Classification: H04L

Abstract:
1. A method for securing communication in a local area network switch (AN) comprising a user interface (UI) and a network interface (NI), said method comprising the steps of extracting a MAC source address (MACi) from each packet received by said Local area network switch (AN) and storing said MACi source address together with associated information into a address forwarding table (FT) comprised in said Local area network switch (AN); wherein a distinction is made between MAC source addresses received from the user interface (UI) and the network interface (NI), such that upon detecting that said MACi address contained within a newly received packet at the user interface (UI) was already stored as a MAC source address received at the network interface (NI), said newly received packet will be discarded and its MAC source address contained therein will not be stored within said address forwarding table (FT).