Patent ID: 7711824

Claim:
A method in an access system for establishing service access relations at the Layer 2 (L2) level between service providers and movable devices of users, the system having: an edge access server having at least one service agent with a connection for one of the service providers; at least one penult having user ports for connecting the users; and an interconnecting arrangement, supporting exchanging of Ethernet frames, interconnecting the edge access server and the penults, the method including the steps of: selecting a set of the user ports for use with the movable user devices; reserving a set of unassigned Ethernet MAC addresses for establishing service access relations at the L2 level to said movable user devices; dynamically allocating in the edge access server, unique Ethernet MAC addresses, selected from said reserved set of unassigned MAC addresses, to at least a part of the service agents; binding each of the unique service agent MAC addresses to a different L2 service access relation, said L2 service access relations being provided between the service agents and the user ports in the selected set of ports, wherein each L2 service access relation is provided between one of the service agents and at least one of the user ports in the selected set of ports; attaching one of the movable user devices to an alternative one of the user ports of the selected set of ports; and determining in the edge access server, the L2 service access relation associated with said attached movable user device.