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A kind of address resolution protocol pickup method and device

An address resolution protocol and local storage technology, which is applied in the field of address resolution protocol answering, can solve the problem of low efficiency in collecting ARP answering information, and achieve the effect of improving efficiency

Active Publication Date: 2018-02-09
NEW H3C TECH CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of this, the application provides an address resolution protocol proxy answering method and device to solve the problem of low efficiency in collecting ARP proxy answering information

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  • A kind of address resolution protocol pickup method and device
  • A kind of address resolution protocol pickup method and device
  • A kind of address resolution protocol pickup method and device

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Embodiment Construction

[0026] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] The present application provides an ARP proxy method, which is applied to a VTEP in a VXLAN network, where the VTEP may be a gateway device or a border device (Border). When multiple VTEPs exist on the VXLAN network, tunnels are established between each VTEP.

[0028] see figure 1 , figure 1 It is a schematic flow diagram of a gateway device obtaining routing information of the entire network in the embodiment of the present application. Specific steps include:

[0029] Step 101, the VTEP device obtains and stores the routing information of the host device connected to the device, and synchronizes the routing information to other VTEP devices.

[0030] The routing information of the downlink host device obtained in thi...

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PUM

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Abstract

The present invention provides an address resolution protocol (ARP) answering method, the method comprising: a VTEP device obtains and stores routing information of a host device connected to the device, and synchronizes the routing information to other VTEP devices; the VTEP device When receiving the routing information synchronized by other VTEP devices, store it locally; when the VTEP device receives the ARP request message sent by the downlink host device, use the locally stored routing information to perform ARP proxy. Based on the same inventive idea, this application also proposes an address resolution protocol proxy device, which can improve the efficiency of collecting ARP proxy information, thereby improving the efficiency of ARP proxy.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to an address resolution protocol answering method and device. Background technique [0002] In the multi-tenant environment of cloud computing, each tenant needs to be assigned a logical network that can be well isolated from other logical networks. The isolation of logical networks can be achieved through Virtual eXtensible Local Area Network (VXLAN) technology . A VXLAN network uses 24 bits to identify a VXLAN network. [0003] The VXLAN network is dedicated to building a Layer 2 network based on a Layer 3 network, so the VXLAN network is also called an Overlay Network. In the VXLAN network, Layer 3 or Layer 2 forwarding can be performed through tunnels. [0004] VXLAN needs to run over the tunnel. Generally, VXLAN will be deployed in the data center network. The device running the VXLAN network is called a virtual extensible LAN tunnel endpoint (VXLAN Tunnel End Point...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12
CPCH04L61/103H04L67/1097H04L67/10H04L67/56H04L61/59H04L2101/622H04L12/4633H04L12/4666
Inventor 羊俊田小强曹辉赵君
Owner NEW H3C TECH CO LTD
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