Subscriber line accommodation apparatus and packet filtering...

Details Subscriber line accommodation apparatus and packet filtering... Subscriber line accommodation apparatus and packet filtering...

H - Electricity

04

L

H04L 12/56 (2006.01)

Patent

CA 2520182

In a subscriber line accommodation apparatus, subscriber line termination units individually terminate a plurality of subscriber lines. An address information acquisition unit successively acquires, as address information, a dynamic address dynamically assigned to each of the communication terminals connected to the subscriber lines terminated by the subscriber line termination unit. A packet information reading unit reads out, from a packet to be sent to one of the communication terminals, packet information containing a dynamic address indicating the destination of the packet. An address information coincidence presence/absence determination unit determines whether the readout dynamic address coincides with one of the pieces of address information acquired by the address information acquisition unit. A packet sending control unit permits sending of only a packet determined to be coincident. A packet filtering method is also disclosed.

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