VLAN protocol
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United States of America Patent
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Dec 13, 2005
Issued Date -
N/A
app pub date -
Nov 12, 2002
filing date -
Jul 8, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A method of broadcasting a packet to the ports belonging to one VLAN of a network, whereas the network has multiple network switches. Each network switch has its own local ports and a local VLAN table. Each local VLAN table stores local port membership of its network switch, and switch membership per VLAN identifier. The local VLAN table is accessed by a VLAN identifier which is stored in the packet, and retrieves the local port membership and switch membership associated with the VLAN identifier. A copy of the packet is provided to each local port and to each switch retrieved from said local VLAN table.
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