Layer 2/layer 3 interworking via physical loopback
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United States of America Patent
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Dec 31, 2013
Grant Date -
Jul 16, 2009
app pub date -
Mar 19, 2009
filing date -
Nov 24, 2003
priority date (Note) -
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Abstract
A method for transmitting data in a layer two network having layer three routing capabilities includes transmitting, via a physical loopback, the data from a layer two switching component of a multi service platform to a layer three switching component of the multi service platform. The data specifies an initial routing path for the data that identifies a first layer two switch, and the method includes determining a new routing path for the data, the new routing path identifying a second layer two switch different than the first layer two switch. The method also includes updating the data to specify the new routing path, and transmitting, via the physical loopback, the data that specifies the new routing path from the layer three switching component to the layer two switching component.
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