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Multiple active L3 gateways for logical networks

  • US 10,389,634 B2
  • Filed: 06/18/2018
  • Issued: 08/20/2019
  • Est. Priority Date: 09/04/2013
  • Status: Active Grant
First Claim
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1. A non-transitory machine readable medium for storing a network controller program that when executed by a set of processing units of a computer manages a plurality of logical networks, the network controller program comprising sets of instructions for:

  • receiving a specification of a logical network that comprises a logical router;

    selecting a plurality of host machines to host an L3 gateway that implements a connection to an external network for the logical router, the plurality of host machines selected from a set of host machines designated for hosting logical routers; and

    generating data tuples for provisioning a set of managed forwarding elements that implement the logical network to send data packets that require processing by the L3 gateway to the plurality of selected host machines, wherein the data tuples specify for the managed forwarding elements to distribute the data packets across the plurality of selected host machines in a load balanced manner.

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