Virtual MAC address system and method

Details Virtual MAC address system and method Virtual MAC address system and method

2008-08-15

2010-06-01

Chea, Philip J (Department: 2453)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data addressing

C709S220000, C370S217000

Reexamination Certificate

active

07730210

ABSTRACT:
A method for creating a virtual MAC address, the method includes receiving an Internet Protocol address that is to be associated with a virtual MAC address. The method creates a virtual MAC address by setting an OUI portion of the virtual MAC address to an OUI value and setting the non-OUI portion of the virtual MAC address to a subset of the Internet Protocol (IP) address. In one embodiment, the lower three bytes of the IP address are used. Additionally, a method of migrating a virtual MAC address includes detecting a migration event on a first system; creating a virtual MAC address on a second system; and issuing a gratuitous ARP packet containing the virtual MAC address.

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