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Asymmetric connection with external networks

  • US 10,063,458 B2
  • Filed: 10/31/2013
  • Issued: 08/28/2018
  • Est. Priority Date: 10/13/2013
  • Status: Active Grant
First Claim
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1. A method for managing a network for a network controller the method comprising:

  • configuring a first managed forwarding element in the network, operating in a host machine that hosts a virtual machine belonging to a particular logical network and connected to the managed network through the first managed forwarding element, to implement a first logical port of a logical router of the particular logical network, the first logical port used only for egress traffic directed outside of the managed network, the first managed forwarding element implementing the first logical port by connecting directly to a physical network element outside of the managed network in order to send egress traffic directly to the physical network element without the egress traffic passing through any intervening managed forwarding elements in the managed network; and

    configuring a second managed forwarding element in the managed network to implement a second logical port of the logical router, the second logical port used for both ingress traffic received from outside the managed network and egress traffic directed outside the managed network, wherein the second managed forwarding element receives ingress traffic addressed to the first virtual machine directly from the physical network element and transmits said ingress traffic to the first managed forwarding element.

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