A method for processing data received from at least one of VLANs, the method including: obtaining, based on a VLAN tag included in a MAC header of a MAC frame received from the VLAN and a first destination IP address included in an IP header of the MAC frame, a second destination IP address, changing...http://www.google.es/patents/US8094660?utm_source=gb-gplus-sharePatente US8094660 - VLAN server