Apparatus and method for packet forwarding in layer 2 network

Details Apparatus and method for packet forwarding in layer 2 network Apparatus and method for packet forwarding in layer 2 network

2007-05-21

2010-06-08

Sheikh, Ayaz R (Department: 2476)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S351000, C370S401000

Reexamination Certificate

active

07733859

ABSTRACT:
A packet forwarding apparatus with a function of registering packet forwarding control information for each user terminal into a user management table during PPPoE connection and authentication phases in which the apparatus carries out predetermined communication procedures with each user terminal. During DHCP and IP forwarding phases following the authentication phase, the packet forwarding apparatus controls packet forwarding based on the user management table. Packets are forwarded in the form of PPPoE frame until the authentication phase is completed and packets are forwarded in the form of Ethernet frame in the DHCP and IP forwarding phases.

REFERENCES:
patent: 7409451 (2008-08-01), Meenan et al.
patent: 2003/0182434 (2003-09-01), Ogushi et al.
patent: 2005/0041671 (2005-02-01), Ikeda et al.
patent: 2003-060675 (2003-02-01), None
patent: 2003-224577 (2003-08-01), None
patent: 2004-304574 (2004-10-01), None

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