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Message processing method and device

A message processing and message technology, applied in the field of communications, can solve problems such as network failures and message encapsulation errors, and achieve the effect of reducing network failures

Active Publication Date: 2021-01-26
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] But when figure 1 In the stateless gateway network shown in the figure, if a virtual machine (VM) is attacked and sends an address resolution protocol (ARP) broadcast pretending to be a gateway, all other VMs will receive the ARP broadcast, causing all messages sent to the gateway to Wrong packet encapsulation, causing the entire network to fail

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  • Message processing method and device

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Embodiment Construction

[0025] 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.

[0026] 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", "the", 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...

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Abstract

The invention provides a message processing method and a message processing device, applied to VTEP equipment. The method comprises the steps of receiving an ARP message, and judging whether a sendingterminal IP address of the ARP message is matched with a preset gateway IP address and whether a sending terminal MAC address of the ARP message is matched with a preset gateway MAC address; if bothare matched, checking whether a forwarding direction of the ARP message is correct, and if the forwarding direction is wrong, discarding the ARP message; and if the sending terminal IP address is notmatched with the preset gateway IP address, or the sending terminal MAC address is not matched with the preset gateway MAC address, discarding the ARP message. According to the method and the device provided by the invention, the sending terminal IP address of the ARP message is matched with the preset gateway IP address, and the sending terminal MAC address of the ARP message is matched with thepreset gateway MAC address, and the attack message is recognized according to the matching result, and the ARP message is discarded, so that the attack message can be prevented from being sent to thegateway and the network failures are reduced.

Description

technical field [0001] The present application relates to communication technologies, and in particular to a message processing method and device. Background technique [0002] VXLAN (Virtual eXtensible LAN, Extensible Virtual Local Area Network) is a layer-2 virtual private network (VPN) based on the Internet Internet Protocol (IP) network and adopting the encapsulation form of "Media Access Control in User Datagram Protocol (MAC in UDP)" technology. VXLAN is mainly used in data center networks. [0003] Among them, VXLAN stateless gateway networking is a very wide application, such as figure 1 As shown, the VXLAN stateless gateway network includes multiple VXLAN gateways (GW), and all VXLAN gateways are stateless gateways, that is, the IP addresses and Media Access Control (MAC) addresses of all VXLAN gateways are exactly the same In this way, for a VXLAN Tunneling End Point (VXLAN Tunneling End Point, VTEP) device, all VXLAN gateways are equivalent to one device, and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L29/06H04L29/12
CPCH04L12/4641H04L61/103H04L63/1466H04L63/1475H04L69/22
Inventor 杨正广张然
Owner NEW H3C TECH CO LTD
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