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Message processing method and device across VXLAN

A packet processing and packet technology, which is applied in the field of network communication and can solve the problems that VTEP cannot achieve Layer 3 forwarding.

Active Publication Date: 2019-01-18
HANGZHOU DPTECH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, this application provides a cross-VXLAN message processing method and device to solve the problem that VTEP that does not support Layer 3 VPN cannot implement Layer 3 forwarding

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  • Message processing method and device across VXLAN
  • Message processing method and device across VXLAN
  • Message processing method and device across VXLAN

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Embodiment Construction

[0036] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0037] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "an...

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Abstract

The invention provides a message processing method and device across VXLANs. The method comprises the following steps: receiving an ARP request message sent by a local host with a destination IP address as a gateway IP address of the local host; receiving an ARP request message with a destination IP address as a gateway IP address of the local host; determining a first two-layer VNI of the local host according to an interface receiving the ARP request message; encapsulating the ARP request message to obtain a first VXLAN message, wherein the first VXLAN message carries the first layer VNI andthe second layer VNI; sending the first VXLAN message to the second VTEP. Through applications of the embodiments of the present application, even if the first VTEP and the second VTEP do not supportthe Layer 3 VNI, communication between hosts across the VXLAN can be achieved through the Layer 2 VNI.

Description

technical field [0001] The present application relates to the technical field of network communication, and specifically designs a message processing method and device across a virtual extensible local area network (VirtualeXtensible Local Area Network, VXLAN). Background technique [0002] VXLAN is an overlay (Overlay) network technology built on the Internet Protocol (Internet Protocol, IP) network, which uses Media Access Control (Media Access Control, MAC) in (in) User Datagram Protocol (User Datagram Protocol, UDP) method for encapsulation, that is, the ordinary Ethernet message is encapsulated in the UDP message, and the ordinary Ethernet message is regarded as UDP data transmission. VXLAN is uniquely identified by the VXLAN Network Identifier (VNI). VXLAN terminals of different VNIs cannot communicate directly, and VXLAN gateway routing is required. [0003] Virtual eXtensible Local Area Network TunnelEnd Point (VTEP) is an edge device of the VXLAN network, connected...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L12/46H04L29/12H04L45/74
CPCH04L12/4633H04L12/4641H04L45/74H04L61/103
Inventor 刘浩王洋王琳
Owner HANGZHOU DPTECH TECH
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