The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 2010
Filed:
May. 21, 2007
Tadashi Takahashi, Yokohama, JP;
Hiroaki Miyata, Yokohama, JP;
Takashi Yokoyama, Yokohama, JP;
Masanori Kamata, Yokohama, JP;
Tadashi Takahashi, Yokohama, JP;
Hiroaki Miyata, Yokohama, JP;
Takashi Yokoyama, Yokohama, JP;
Masanori Kamata, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
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.