Network switch having port blocking capability
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 21, 2010
Issued Date -
N/A
app pub date -
Apr 27, 2007
filing date -
Sep 20, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A switch is configured to block packets from being transmitted through designated ports. The switch has port bitmap generator configured to obtain a port bitmap and a table is configured to store a block mask indicating which port the packet should not be transmitted. A block mask lookup is configured to determine the block mask for the packet from the table, and a transmit port bitmap generator is configured to determine which ports the packet should be transmitted using the port bitmap and the block mask.
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