Patent ID: 7421528
Filing Date: 2008-09-02
Classification: H04J,H04L

Abstract:
1. A method for address filtering, comprising: providing a host interface including device registers, the host interface being for communication with a microprocessor host; user program initiated loading of data information and control information respectively into a first data register and a control register of the device registers; responsive to the loading, hardware initiated writing of the data information loaded into the first data register into a host interface register; the host interface register being associated with an address table configuration entry, the information including read or write information and address information; responsive to the read or write information and the address information, obtaining from content addressable storage a multicast address at a single addressable location in the content addressable storage; depositing a first portion of the multicast address into the first data register; and depositing a second portion of the multicast address into a second data register.