Network device with proxy address resolution protocol

Details Network device with proxy address resolution protocol Network device with proxy address resolution protocol

2011-01-11

2011-01-11

Pezzlo, John (Department: 2465)

Multiplex communications

Duplex

Communication over free space

C370S252000, C370S282000, C370S389000, C370S419000

Reexamination Certificate

active

07869389

ABSTRACT:
A network device includes a proxy ARP (address resolution protocol) unit for comparing a target IP (Internet protocol) address contained in an ARP request frame with a first set of IP addresses in a proxy ARP table of the proxy ARP unit, and for generating an ARP reply frame containing a MAC (media access control) address of the network device according to a result of the comparison. In addition, the network device includes a routing table for storing a second set of IP addresses for IP packet routing. Furthermore, the network device includes a processing unit coupled between the proxy ARP unit and the routing table. The processing unit is operable for receiving the ARP request frame, assigning an IP address to a host logging onto the network device, and updating the assigned IP address into the proxy ARP table and the routing table respectively.

REFERENCES:
patent: 6603769 (2003-08-01), Thubert et al.
patent: 2002/0112076 (2002-08-01), Rueda et al.

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