A method for independently supporting loop detection by an eoc terminal

Abstract

The invention relates to the field of EOC equipment control in the field of data communication, in particular to a method for an EOC terminal to independently support loop detection. Aiming at the problems existing in the prior art, the present invention provides a method for an EOC terminal to independently support loop detection. The loop detection module of the EOC terminal realizes loop detection and processes loop ports, preventing broadcast storms from affecting other ports and networks. And take the initiative to notify the central office of the detected loop information. In the present invention, when the loop detection module receives the loop detection broadcast message sent by itself, the state of the terminal equipment port is marked as the loop state, and the information of the loop is reported to the central office EOC by the management message; When the loop detection module detects that the loop state of the port is no loop, and the last detected state is a loop state, then the state of the terminal device port will be marked as a non-loop state, and the management message will be sent to The EOC at the local end reports the information about the release of the loop.

Description

technical field [0001] The invention relates to the field of EOC (Ethernet over Coax) equipment control in the field of data communication, in particular to a method for an EOC terminal to independently support loop detection. Background technique [0002] In the EOC networking environment (such as figure 1 ), usually multiple EOC terminal devices are connected to one EOC central office device. The EOC terminal is managed by the EOC central office. When a loop occurs in the network below the EOC terminal, the terminal loop detection function on the EOC central office is used to detect the loop of the terminal. However, some old central offices in the actual EOC network The terminal does not support the loop detection function, so when a loop occurs at the EOC terminal, it cannot be detected in time, and a large number of broadcast storms are generated, affecting the entire network. Even though some newer central offices support the loop detection function of the terminal, ...

AI Technical Summary

Problems solved by technology

The EOC terminal is managed by the EOC central office. When a loop occurs in the network below the EOC terminal, the terminal loop detection function on the EOC central office is used to detect the loop of the terminal. However, some old central offices in the actual EOC network The terminal does not support the loop detection function, so when a loop occurs at the EOC terminal, it cannot be detected in time, and a large number of broadcast storms are generated, affecting the entire network

Even though some newer central offices support the loop detection function of the terminal, when a loop occurs, a large number of broadcast storms will be generated immediately, and a large number of uplink broadcast storms may cause the loss of management packets from the central office to the terminal or the loss of management packets. The delay becomes larger, and the loop under the terminal cannot be detected in time, and it affects the management of the terminal

In order to detect terminal loops faster and eliminate the impact of terminal loops on the network, some EOC central offices have adopted a method of increasing the frequency of polling terminal loop status. This method makes the normal network environment The increase of management packets affects the forwarding performance of data packets

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