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Method and exchange equipment for realizing fast Ethernet ring

A technology of switching equipment and Ethernet ring network, which is applied in the method and switching equipment to realize the field of fast Ethernet ring network, and can solve problems such as configuration troubles

Active Publication Date: 2011-04-13
MAIPU COMM TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing EAPS protocol, the roles of the master node and the transfer node are statically configured by the user, and the configuration is cumbersome

Method used

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  • Method and exchange equipment for realizing fast Ethernet ring
  • Method and exchange equipment for realizing fast Ethernet ring
  • Method and exchange equipment for realizing fast Ethernet ring

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Embodiment Construction

[0026] The present invention proposes a method for realizing a fast Ethernet ring network. In the initial state of the network, each node in the Ethernet detects whether the link between the adjacent node is normal. After detecting that the link is normal, mutual A communication detection message is sent, and a master node is elected according to the election number carried in the communication detection message and the preset election rules to form an Ethernet ring network.

[0027] Further, when a link failure occurs and is restored, a new master node is elected from the two nodes at both ends of the faulty link, the original master node is converted into a transmission node, and the forwarding table of each transmission node is refreshed to establish a new Ethernet ring.

[0028] In the present invention, each node (ie switching equipment) in the Ethernet has the same function, such as

[0029] figure 1 For the implementation flowchart of each node in the method proposed ...

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Abstract

The invention provides a method and exchange equipment for realizing a fast Ethernet ring, wherein the method comprises: all nodes of an Ethernet execute the following steps respectively: judging whether a link between the node and an adjacent node is normal, if so, sending election messages carrying election identification (EID) periodically; receiving the election messages from the other nodes, comparing the EID of the node with the EIDs of the other nodes, judging whether the node is a transmission node according to preset election regulation and the comparison result, if so, converting the identity of the node into the transmission node and stopping sending the election messages, and if not, continuing to send the election messages; and when the node receives the election message sent by the node, converting the node into a master node, and configuring the Ethernet into the Ethernet ring, wherein the EID consists of a media access control (MAC) address of the node and a random number (RND) generated randomly. By the invention, all the nodes in the Ethernet ring can elect out the master node automatically without the need of user configuration.

Description

technical field [0001] The invention relates to the technical field of the Ethernet protocol, in particular to a method and switching equipment for realizing a fast Ethernet ring network. Background technique [0002] Fast Ethernet ring network protocols, such as the Ethernet Automatic Protection Switching (EAPS) protocol, stipulate that there is a master node and several transmission nodes on the Ethernet ring network. The master node detects ring faults and is responsible for data protection and switching. [0003] In the existing EAPS protocol, the roles of the master node and the transfer node are statically configured by the user, and the configuration is cumbersome. Moreover, after the user configures a node switch on the ring as the master node, the node remains the master node until the user modifies the node role, which provides an opportunity for attackers to attack the master node. Contents of the invention [0004] The invention proposes a method for realizing...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/42H04L12/56H04L12/947
Inventor 何三波
Owner MAIPU COMM TECH CO LTD
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