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Method for sending virtual extensible local area network packet, computer device, and readable medium

A technology of computer equipment and virtual local area network, which is applied in the information field and can solve problems such as inability to process packets, VxLAN packet forwarding, etc.

Active Publication Date: 2017-08-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a method for sending a VxLAN message, computer equipment, and a computer-readable medium, so as to solve the problem that the network card in the prior art cannot process the forwarding of the message VxLAN message

Method used

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  • Method for sending virtual extensible local area network packet, computer device, and readable medium
  • Method for sending virtual extensible local area network packet, computer device, and readable medium
  • Method for sending virtual extensible local area network packet, computer device, and readable medium

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Embodiment Construction

[0105] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0106] refer to figure 1 , figure 1 It is a schematic structural diagram of a computer device 100 in the prior art. The computer device 100 includes a central processing unit 101 and a network card 102 , and the network card 102 includes a network card processor 1021 . The network card 102 supports the offloading of the forwarding function of a virtual switch (vSwitch, Virtual Switch), supports the single-root input-output virtualization (SR-IOV, Single-...

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Abstract

Provided in an embodiment of the present invention are a method for sending a VxLAN packet, a computer device, and a computer readable medium for resolving a problem in which existing techniques are unable to forward VxLAN packets with network cards. The method for forwarding a VxLAN packet provided in the embodiment of the present invention comprises: after a network card has received a first packet, determining whether encapsulation information for performing VxLAN encapsulation on the first packet is saved in the network card; if so, performing the VxLAN encapsulation on the first packet, and sending the same; and if not, requesting the encapsulation information from a central processing unit, saving the same, and sending a packet obtained after performing the VxLAN encapsulation on the first packet. The invention enables a network card to perform the VxLAN encapsulation on a received packet and send the same.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a method for sending scalable virtual local area network (VxLAN) messages, a computer device and a computer-readable medium. Background technique [0002] Extensible Virtual Local Area Network (VxLAN, Virtual eXtensible Local Area Network) adopts MAC (Media Access Control, Media Access Control) Over UDP (User Datagram Protocol, User Datagram Protocol) technology, which is an overlay network technology or tunneling technology. VxLAN encapsulates the data packet sent by the virtual machine in UDP, and uses the Internet protocol IP / MAC of the physical network as the outer-header for encapsulation, and then transmits it on the physical IP network. After arriving at the destination, the tunnel endpoint decapsulates and sends the data sent to the target virtual machine. The packets sent through the VxLAN technology are VxLAN packets, and the VxLAN packets usually include two part...

Claims

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Application Information

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IPC IPC(8): H04L12/741H04L12/951H04L12/46H04L45/74H04L47/43
CPCH04L12/4633H04L12/4641H04L45/74H04L49/9057H04L12/46G06F9/45558G06F2009/45595H04L2101/622H04L61/103H04L61/2592H04L2212/00
Inventor 马振亮
Owner HUAWEI TECH CO LTD
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