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Network control apparatus and method with port security controls

  • US 8,958,292 B2
  • Filed: 07/06/2011
  • Issued: 02/17/2015
  • Est. Priority Date: 07/06/2010
  • Status: Active Grant
First Claim
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1. A method for controlling a logical switching element comprising one or more logical ports, the logical switching element implemented by a set of managed switching elements that forward data packets in a network, the method comprising:

  • determining a set of network addresses for a logical port of the logical switching element;

    identifying a physical port of a particular managed switching element of the set of managed switching elements that corresponds to the logical port, wherein different logical ports of the logical switching element correspond to physical ports of different managed switching elements; and

    configuring the particular managed switching element to drop data packets entering or exiting the physical port of the particular managed switching element when the data packets do not include a network address in the set of network addresses for the logical port.

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