Message processing method and device

A message processing and message technology, applied in the field of network communication, can solve the problems of ARP message discarding, affecting ARP learning, and unable to process ARP messages in time, so as to reduce the impact and improve the sending speed

Active Publication Date: 2016-11-16
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] When a network device is attacked by ARP during ARP table entry learning, it often cannot process normal ARP packets in time due to processing a large number of ARP attack packets, or even discards normal ARP packets, which affects ARP learning.

Method used

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  • Message processing method and device
  • Message processing method and device

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Embodiment Construction

[0020] 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 examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0021] The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein and in 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 "and / or" as use...

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Abstract

The invention provides a message processing method and device. The method comprises the following steps of receiving a plurality of ARP (Address Resolution Protocol) messages; searching ARP table items according to an IP (Internet Protocol) address of a sending end of each ARP message; storing the ARP messages which hit the ARP table items into a first queue and storing the ARP messages which do not hit the ARP table items into a second queue, wherein the scheduling priority of the first queue is lower than that of the second queue; and sending the ARP messages in the first queue and the second queue to a processor to learn. According to the method and the device, the influence of the ARP attack on the normal ARP learning is reduced through distinguishing the scheduling priorities of the queue and a preset queue.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a message processing method and device. Background technique [0002] ARP (Address Resolution Protocol, Address Resolution Protocol) is a protocol for obtaining a physical address based on an IP (Internet Protocol, Internet Protocol) address. The network device learns the physical address of the peer device by receiving the ARP message sent by the peer device, generates an ARP entry based on the IP address and physical address of the peer device, and completes the IP packet based on the physical address recorded in the ARP entry. The encapsulation is forwarded to the peer device. [0003] When a network device is attacked by ARP during ARP entry learning, it often cannot process normal ARP packets in time due to processing a large number of ARP attack packets, or even discards normal ARP packets, affecting ARP learning. Contents of the invention [0004]...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/12
Inventor 吴文汪亮
Owner NEW H3C TECH CO LTD
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