Patent ID: 7492766
Filing Date: 2009-02-17
Classification: H04L

Abstract:
1. A method comprising: receiving a packet on an Ethernet port of a network device, wherein the packet includes Ethernet tagging information and a subscriber information string; dynamically building within the network device a primary virtual local area network (VLAN) sub-interface (PVS) based on the Ethernet tagging information; dynamically building within the network device a subscriber VLAN sub-interface (SVS) based on the subscriber information string; determining that the packet conforms with the Dynamic Host Configuration Protocol (DHCP); dynamically building a first Internet Protocol (IP) interface over the PVS within the network device based on the determination that the packet conforms with the DHCP; and dynamically building a second IP interface over the SVS within the network device based on the determination that the packet conforms with the DHCP.