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SYNCHRONIZING ROUTE

  • US 20200136863A1
  • Filed: 06/26/2018
  • Published: 04/30/2020
  • Est. Priority Date: 06/26/2017
  • Status: Active Grant
First Claim
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1. A method of synchronizing a route, comprising:

  • learning, by a first VXLAN Tunnel End Point (VTEP) in a first Ethernet Virtual Private Network (EVPN), an address of a first Virtual Machine (VM) connected with the first VTEP;

    sending, by the first VTEP, the learned address of the first VM to a second VTEP connected with the first VTEP via a first EVPN route,wherein, the first EVPN route carries a destination IP address for establishing a VXLAN tunnel, and the destination IP address is an IP address of the first VTEP, andwherein, the second VTEP belongs to any of the first EVPN and a second EVPN of a different level from the first EVPN;

    receiving, by the first VTEP, a second EVPN route carrying an address of a second VM and a destination IP address for establishing a VXLAN tunnel;

    creating, by the first VTEP, a route entry containing the address of the second VM, wherein next hop information contained in the route entry is the destination IP address carried in the second EVPN route; and

    establishing, by the first VTEP, a VXLAN tunnel between the first VTEP and a VTEP identified by the destination IP address carried in the second EVPN route.

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