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Message processing method and device across virtual extensible local area network

A technology for extending local area network and message processing, applied in the field of VXLAN message processing methods and devices, can solve the problems of increasing bandwidth requirements of VXLANGW and BRAS devices, increasing network deployment costs, etc., and achieves the goal of reducing network deployment costs and bandwidth requirements. Effect

Active Publication Date: 2017-06-27
NEW H3C TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0004] However, in the existing solution, the VXLAN router will transparently transmit all the traffic sent by the AC to the BRAS device. In this way, it is easy to increase the bandwidth requirements of the VXLAN GW and the BRAS device, thereby increasing the network deployment cost.

Method used

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  • Message processing method and device across virtual extensible local area network
  • Message processing method and device across virtual extensible local area network
  • Message processing method and device across virtual extensible local area network

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specific Embodiment approach

[0069] The method in the embodiment of the present invention may further include: receiving a return message corresponding to the Layer 2 message, and searching for matching host routing information according to the second destination IP carried in the return message; For the host routing information that matches the second destination IP, send the return message to the user terminal corresponding to the host routing information according to the host routing information obtained from the search.

[0070] Specifically, determine whether there is an IP address identical to the second destination IP in the host routing information according to the second destination IP, and if so, use the IP address (that is, the second destination IP address) as the destination IP of the return message, and further According to the corresponding relationship stored in the second destination IP address and the host routing information, determine the MAC address corresponding to the second destinat...

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Abstract

The embodiment of the invention provides a message processing method and device across a virtual extensible local area network. The method is applied to an VXLAN router, and comprises the following steps: receiving a layer-two message from a user terminal; detecting whether a source MAC address of the layer-two message is existent in a MAC list of the user terminal, wherein the MAC list is stored in advance and has passed the network access authentication; detecting whether a destination IP address of the layer-two message is existent in the list, which is stored in advance, of enterprise intranet IP address; when the source MAC address of the layer-two message is existent in the MAC list, and the first destination IP address of the layer-two message is inexistent in the list of the enterprise intranet IP address, performing layer-three forwarding on the layer-two message. By use of the processing method provided by the embodiment of the invention, the traffic transparently transmitted to the BRAS equipment through the XVLAN tunnel can be lowered, the bandwidth requirement of each of the VXLAN GW and the BRAS equipment can be reduced, and the network deployment cost is lowered.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a VXLAN (VirtualeXtensible Local Area Network) message processing method and device. Background technique [0002] VXLAN is a layer-2 VPN (virtual private network) based on IP (Internet Protocol) network and adopts "MAC (Media Access Control, Media Access Control) in UDP (User Datagram Protocol, User Datagram Protocol)" encapsulation form. Network, Virtual Private Network) technology. Based on the existing service provider or enterprise IP network, VXLAN can provide Layer 2 interconnection for dispersed physical sites and provide service isolation for different tenants. [0003] At present, the VXLAN technology can be applied to the scenario where the remote network is interconnected with the central Layer 2 across the WAN. There is an existing VXLAN network networking structure. VXLAN routers can be deployed in enterprise branches, and VXLAN tunnels can be est...

Claims

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Application Information

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IPC IPC(8): H04L12/715H04L12/741H04L12/801H04L12/46H04L45/74
CPCH04L12/4633H04L12/4641H04L45/04H04L45/74H04L47/10
Inventor 刘雄威
Owner NEW H3C TECH CO LTD
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