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Design Practical System Based on Packet Tracer Technology

机译:基于数据包跟踪技术的设计实用系统

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摘要

This paper combines with the actual background of the university experiment teaching of computer network, analyzes the construction situation and the existing problems of networking practical training system. Then it designs and implements the network practical training system based on embedded platform. The system mainly consists of three parts: the experiment control system, embedded experiment box and training courses. PC Terminal as the client of experimental control system is developed based on.NET/C#, which supports user login via online or offline mode, updating training courses intelligently and etc. Based on ARMS embedded microprocessor and embedded Linux operating system, it designs and implements the embedded experiment box Server Box, which interacts with user by matrix keyboard and QT interface, analyzes network protocols based on Net filter framework in Linux kernel, and extends ARP packet processing driver in Linux kernel to implement the visual analysis and intervention for ARP protocol. The PC Terminal has a connection with Server Box by serial port, and communicates with each other by user-defined protocol. The system has passed the project acceptance inspection, and the first edition has been used in many colleges and universities. Its effect in improving students' knowledge and practice skills for the principle of network has been gaining recognition.
机译:本文与计算机网络大学实验教学的实际背景相结合,分析了建设局势和网络实践培训系统存在的问题。然后它设计并实现基于嵌入式平台的网络实用培训系统。该系统主要由三部分组成:实验控制系统,嵌入式实验框和培训课程。作为实验控制系统客户的PC终端是基于Ov.net/c的开发的,它通过在线或离线模式支持用户登录,智能地更新培训课程等。基于武器嵌入式微处理器和嵌入式Linux操作系统,设计和实施嵌入式实验框服务器盒通过矩阵键盘和QT接口与用户交互,基于Linux内核中的Net Filter框架分析网络协议,并在Linux内核中扩展ARP数据包处理驱动程序,实现ARP协议的视觉分析和干预。 PC终端通过串行端口与服务器框连接,并通过用户定义的协议互相通信。该系统已通过项目验收检验,并在许多大学和大学中使用了第一版。其在提高学生的知识和实践技能方面的效果已经获得了认可。

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