Packet forwarding apparatus with function of limiting the...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header

Reexamination Certificate

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Details

C370S389000

Reexamination Certificate

active

11362218

ABSTRACT:
A packet forwarding apparatus for connecting a plurality of user terminals to an ISP management server has a management table indicating the relationship between a connection port identifier and specific header information in association with the MAC address of each of the user terminals so that, in a communication protocol procedure executed between each of the user terminals and the ISP management server prior to communication with a wide-area network, the packet forwarding apparatus discards a packet for the user terminal when it is determined that the specific header information cannot be assigned to the user terminal based on the management table.

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patent: 6886103 (2005-04-01), Brustoloni et al.
patent: 7107348 (2006-09-01), Shimada et al.
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patent: 2005-217661 (2004-01-01), None
patent: WO 2004/107671 (2003-05-01), None

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