Three-port ethernet switch with external buffer
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United States of America Patent
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N/A
Issued Date -
Oct 2, 2008
app pub date -
Mar 30, 2007
filing date -
Mar 30, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
System and method for routing data packets in an Ethernet switch. A preferred embodiment comprises receiving a data frame at a first port, wherein the data frame comprises a header portion and payload portion. The header portion is analyzed to determine a destination port for the data frame. A destination status is added to the header portion to create a modified header portion. The modified header portion is stored in an on-chip memory. The payload portion is stored in an off-chip memory. An on-chip CPU instructs a DMA controller how to route the data frame.
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