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Method for solving instantaneous link change caused by clutter in PHY auto-negotiation mode

A technology of instantaneous change and solution, applied in the direction of advanced technology, digital transmission system, electrical components, etc., to achieve the effect of upper layer application stability

Active Publication Date: 2021-10-01
天津卓越信通科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a solution to the instantaneous change of the link caused by clutter in the PHY in the auto-negotiation mode, so as to solve the technical problems existing in the prior art

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  • Method for solving instantaneous link change caused by clutter in PHY auto-negotiation mode

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Embodiment Construction

[0024] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention discloses a method for solving instantaneous link change caused by clutter in an auto-negotiation mode of a PHY, which is characterized in that a hello message is used for probing the state of adjacent equipment of equipment so as to indicate the state of the equipment and check the state of a link. According to the invention, the influence on actual processing of upper-layer software due to the change of some link states of a port caused by instability of link signals when the PHY is in a connected state can be reduced, and the influence of clutter on the state of a reported link of the PHY can be reduced by utilizing the technology. The main advantage is in the aspect of influence on the upper-layer application; if the false alarms of the link state are reduced, the upper-layer application is more stable.

Description

technical field [0001] The invention relates to the field of PHY negotiation failure processing, in particular to a solution to the instantaneous change of the link caused by clutter in the PHY in the auto-negotiation mode. Background technique [0002] PHY auto-negotiation is implemented through a signal called Fast Link Pulse (FLP for short). The two sides of auto-negotiation exchange data through FLP. [0003] When the PHY with auto-negotiation capability has no link, the port always sends FLP, which contains its own connection capability information, including supported rate capability, duplex capability, flow control capability, etc. This connection capability is obtained from the auto-negotiation capability register (Auto-Negotiation Advertisement Register, PHY standard register address 4). A FLP burst contains 33 pulse positions. 17 odd-numbered position pulses are clock pulses, and clock pulses always exist; 16 even-numbered position pulses are used to represent d...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26
CPCH04L43/0811H04L43/103H04L41/0618H04L41/0631H04L41/0836Y02D30/50
Inventor 吕金泉曹月飞
Owner 天津卓越信通科技有限公司
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