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Path MTU value aging processing method and device

A technology of aging processing and processing methods, which is applied in the field of communication and can solve problems such as aging and packet loss

Inactive Publication Date: 2021-06-29
NEW H3C SECURITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In view of this, the present application provides a processing method and device for path MTU value aging, which is used to solve the unnecessary packet loss problem

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  • Path MTU value aging processing method and device
  • Path MTU value aging processing method and device
  • Path MTU value aging 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 embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present 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 path MTU value aging processing method and device. The method is applied to a first network device, and a transmission path from the first network device to a second network device comprises at least one intermediate device; the method comprises the following steps: sending a detection request message to the second network device through the transmission path, wherein the length of the detection request message is a first value; judging whether a detection response message sent by any equipment except the first network equipment in the transmission path is received in a preset period or not; if the detection response message is received in the preset period, recording the detection response message, and performing aging processing on the historical MTU value when the aging time of the stored historical MTU value is up.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method and device for processing aging of a path MTU value. Background technique [0002] In an IPv6 network, in order to reduce the pressure on the intermediate devices in the path to process IPv6 packets, the intermediate devices no longer undertake the fragmentation function of IPv6 packets. [0003] When the intermediate device is in the process of forwarding the message sent by the source, if it determines that the message length of the message is greater than the maximum transmission unit (English: Maximum Transmission Unit, MTU) value of the forwarding link, the intermediate device cannot continue The packet is forwarded, that is, the packet fails to be forwarded. The intermediate device generates and sends an error message to the source end, where the error message includes the link MTU value of the interface on the intermediate device that fails...

Claims

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Application Information

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IPC IPC(8): H04L12/805H04L47/36
CPCH04L47/36H04L47/365
Inventor 潘芸
Owner NEW H3C SECURITY TECH CO LTD