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EAPS distributed Ethernet ring network protection switching method, device and medium

A technology of protection switching and Ethernet ring network, applied in the field of communication, can solve problems such as slow service switching, failure to clear FDB table in time, and inability of EAPS master node to perceive, etc., to achieve the effect of improving high reliability

Active Publication Date: 2020-05-01
浪潮思科网络科技有限公司
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Problems solved by technology

[0008] Embodiments of the present application provide EAPS distributed Ethernet protection switching methods, equipment, and media to solve the following technical problems in the prior art: the Ethernet ring network is controlled by a fixed EAPS master node, and risks are concentrated. Once the EAPS master node Both ring ports of the network fail, the entire Ethernet ring network will lose control, and other transmission nodes cannot clear the FDB table in time, resulting in very slow service switching. At the same time, if there are other link failures, the EAPS master node cannot perceive to deal with it in a timely manner

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  • EAPS distributed Ethernet ring network protection switching method, device and medium
  • EAPS distributed Ethernet ring network protection switching method, device and medium
  • EAPS distributed Ethernet ring network protection switching method, device and medium

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Embodiment Construction

[0055] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0056] The scheme of this application is applied to the link layer protocol of the Ethernet ring network, which can prevent the broadcast storm caused by the data loop in the Ethernet ring network. When a single failure occurs in the internal link of the switch in the Ethernet ring network, the EAPS protocol can Deterministically restore network funct...

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Abstract

The invention discloses an EAPS distributed Ethernet ring network protection switching method, device and a medium. The method comprises the following steps: detecting two ring ports of an EAPS main node of an Ethernet ring network; when any ring port of the EAPS main node is detected to be in a fault state, re-assigning the EAPS main node for the Ethernet ring network in other EAPS transmission nodes of the Ethernet ring network; and responding to a link fault in the Ethernet ring network through the reassigned EAPS main node. According to the method and the device, the situation that the whole Ethernet ring network loses control due to the fact that two ring ports of the EAPS main node fail can be avoided, and the high reliability of the Ethernet ring network is greatly improved.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to an EAPS distributed Ethernet protection switching method, equipment, and medium. Background technique [0002] The Ethernet Automatic Protection Switching (Ethernet Automatic Protection Switching, EAPS) protocol is an Ethernet ring network automatic protection switching technology defined in RFC3619. The EAPS protocol describes the operating mechanism of switches in the ring network topology, including fault detection and fast processing of faults. The ring topology is composed of multiple nodes with switching functions. Each node needs at least two ports (called ring ports) to connect the node to the ring. The nodes perform fault detection and recovery by running the EAPS protocol. When a link fails on the Ethernet ring network, the backup link can be activated quickly to restore the communication between the nodes on the ring network. Taking a single ring ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/437
CPCH04L12/437
Inventor 万红明刘斌
Owner 浪潮思科网络科技有限公司
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