VLAN protocol

Details VLAN protocol VLAN protocol

2005-10-05

2009-08-11

Abelson, Ronald (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S230000, C370S235000, C709S243000

Reexamination Certificate

active

07573882

ABSTRACT:
A generally full-wire throughput, switching Ethernet controller used within an Ethernet network of other switching Ethernet controllers connected together by a bus. The controller comprises a plurality of ports including at least one bus port associated with ports connected to other switching Ethernet controllers. A hash table stores MAC addresses and VLAN ids of ports within said Ethernet network. A hash table address control hashes the MAC address and VLAN id of a packet to initial hash table location values, changes the hash table location values by a fixed jump amount if the address and VLAN id values stored in said initial hash table location do not match the received address and VLAN id, and provides at least an output port number of the port associated with the received address and VLAN id. A storage buffer includes a multiplicity of contiguous buffers in which to temporarily store said packet.

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patent: 6147995 (2000-11-01), Dobbins et al.
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