Method for realizing loopback detection of EoC (Ethernet over coax) network

A loopback detection and network technology, applied in the direction of network interconnection, data exchange network, data exchange through path configuration, etc., can solve the problems of EoC network loopback, EoC network management failure, uncontrollable networking, etc. The possibility of storms, reducing the difficulty of troubleshooting, enhancing the effectiveness of maintenance and management

Inactive Publication Date: 2012-12-19
SHANGHAI BROADBAND TECH
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Problems solved by technology

[0003] The cable bridge terminal is installed in the user's room, and the user's behavior and home network cannot be controlled, which may cause a loopback in the EoC network. figure 1 As shown in , it will cause other users' services and the management of the entire EoC network to fail
Common Ethernet implements loopback detection of the network through the STP (Spanning Tree Protocol) protocol. Due to the special management method of the EoC network, the STP protocol is not applicable, so it is necessary to provide a reliable method to realize the loopback detection of the EOC network.

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  • Method for realizing loopback detection of EoC (Ethernet over coax) network
  • Method for realizing loopback detection of EoC (Ethernet over coax) network

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Embodiment Construction

[0016] The content proposed by the present invention will be described in detail below in conjunction with the accompanying drawings. figure 2 For the basic flowchart of the EoC network loopback detection method that the present invention proposes, its specific implementation scheme is:

[0017] First, the EOC head end assigns a unique VLAN ID number to each online terminal, and sets the following rules: the cable bridge switch management CPU (head end) periodically sends loopback detection messages to the EoC network, and the loopback detection packets sent by the head end The detection message is shown in Table 1. After the message reaches the EoC terminal, if there is a network loopback at the EoC terminal, the detection message will be sent to the EoC head end, and the loopback terminal detection message is shown in Table 2. As shown, it is obtained by the headend management CPU.

[0018] Destination MAC address source MAC address vlan 4090 Logical Link C...

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Abstract

The invention provides a method for realizing loopback detection of an EoC network. The method is characterized in that the EoC network loopback automatic detection is carried out by transmitting a loopback detection message, and the network storm can be obviated by force a terminal generating the loop off the line. According to the invention, the method can effectively lower the possibility of occurrence of storm in the entire EoC network so as to ensure the normal operation of the network business. Meanwhile, the difficulty in detecting the loopback network can be lowered effectively by recording and reporting the loop information, thereby enhancing the maintenance and management ability of the EoC network.

Description

technical field [0001] The invention relates to a network management method in Internet applications, in particular to a method for realizing EoC network loopback detection. Background technique [0002] Using EoC (Ethernet Over Coax) technology to carry out two-way transformation of cable TV network, the original HFC (fiber / coaxial hybrid, Hybrid Fiber Coax) network can be used to integrate traditional cable TV services, broadband Internet business and telephone voice business, through IP technology to achieve triple play, in order to achieve the goal of high efficiency, high quality and low cost. And it realizes fiber-to-building and coaxial-to-home while utilizing the existing wired network resources as much as possible, reducing the waste of resources caused by redundant construction. In the EoC technology, we refer to the front-end equipment (referred to as "head end") as a cable bridge switch, and the terminal equipment (referred to as "terminal") as a cable bridge te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/24H04L12/56H04L12/46
Inventor 黄东明
Owner SHANGHAI BROADBAND TECH
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