Patent ID: 6128665
Filing Date: 2000-10-03
Classification: H04L

Abstract:
A port based default VLAN formed on one or more interconnected networking switches, each switch having one or more switch ports, all of the switch ports collectively being a plurality of switch ports, the default VLAN being defined by one or more of the plurality of switch ports, the one or more of the plurality of switch ports being default VLAN ports, at least one of the plurality of switch ports defining a second VLAN, the default VLAN comprising:means for receiving a data packet through one of the default VLAN ports;means for ascertaining a destination port from the data packet, the destination port being one of the plurality of switch ports;means for determining whether the destination port is one of the default VLAN ports;first means, responsive to the determining means, for transmitting the data packet to the destination port if the determining means determines that the destination port is one of the default VLAN ports; andsecond means, responsive to the determining means, for transmitting the data packet to each of the default VLAN ports if the determining means determines that the destination port is not one of the default VLAN ports,the at least one switch port defining the second VLAN being free from transmission, from the default VLAN, of the data packet.