基于嵌入式WEB的反向登錄技術(shù)的遠(yuǎn)程網(wǎng)絡(luò)實(shí)訓(xùn)環(huán)境
發(fā)布時(shí)間：2019-07-09 19:31
【摘要】：基于嵌入式WEB的反向登錄技術(shù)的遠(yuǎn)程網(wǎng)絡(luò)實(shí)訓(xùn)環(huán)境與網(wǎng)絡(luò)的實(shí)際建設(shè)有一定差異性，就是網(wǎng)絡(luò)線路的復(fù)雜性及協(xié)議的多樣性。為了能夠給師生提供最好的、真實(shí)的實(shí)驗(yàn)環(huán)境，，那就要求網(wǎng)絡(luò)實(shí)驗(yàn)室盡可能的去模擬這些復(fù)雜的環(huán)境。這就要求在網(wǎng)絡(luò)實(shí)驗(yàn)室的構(gòu)建中，既能夠模擬寬帶數(shù)據(jù)城域網(wǎng)及大型園區(qū)網(wǎng)的組網(wǎng)方式和業(yè)務(wù)思路，又能構(gòu)建多種類型的局域網(wǎng)和廣域網(wǎng)。通過(guò)本人多年的教學(xué)研究，發(fā)現(xiàn)在網(wǎng)絡(luò)專業(yè)的課程之初，實(shí)訓(xùn)室里的網(wǎng)絡(luò)設(shè)備本身都具有初始配置，但學(xué)生在做完實(shí)驗(yàn)后，（如IP、網(wǎng)關(guān)等）初始配置的參數(shù)都發(fā)生了變化，給以后的課程帶來(lái)不便。為了保證教學(xué)質(zhì)量，因此需要恢復(fù)網(wǎng)絡(luò)設(shè)備的初始信息。對(duì)于一個(gè)大的網(wǎng)絡(luò)實(shí)驗(yàn)室而言，必須能夠提供一種簡(jiǎn)便的方式能夠同時(shí)管理多臺(tái)設(shè)備。 針對(duì)以上問(wèn)題本研究將遠(yuǎn)程試驗(yàn)系統(tǒng)引入河北軟件職業(yè)技術(shù)學(xué)院網(wǎng)絡(luò)技術(shù)實(shí)訓(xùn)室建設(shè)的真實(shí)項(xiàng)目，首先通過(guò)思科cisco25系列路由器實(shí)現(xiàn)反向telnet構(gòu)建終端服務(wù)器，利用H3C路由器和交換機(jī)等多臺(tái)真實(shí)設(shè)備，應(yīng)用業(yè)界內(nèi)較成熟的嵌入在多端口路由器內(nèi)的應(yīng)用程序，以較小的投入，巧妙地呈現(xiàn)出搭建遠(yuǎn)程網(wǎng)絡(luò)實(shí)訓(xùn)環(huán)境的全過(guò)程,實(shí)現(xiàn)遠(yuǎn)程試驗(yàn)系統(tǒng)的體系架構(gòu)；其次給出了某高校的體系結(jié)構(gòu)圖,植入嵌入式DMC軟件平臺(tái)系統(tǒng)，并根據(jù)網(wǎng)絡(luò)實(shí)驗(yàn)室的基本要求和管理方式對(duì)其進(jìn)行了簡(jiǎn)單的功能描述和線路分析,詳細(xì)闡述了實(shí)驗(yàn)室的解決方案,總結(jié)了系統(tǒng)的特點(diǎn)和優(yōu)勢(shì)。在實(shí)踐過(guò)程中，本文作者參考行業(yè)著名思科公司具有代表性的帶外登錄技術(shù)，深入挖掘H3C網(wǎng)絡(luò)設(shè)備功能，巧妙的應(yīng)用了業(yè)界較為成熟的H3C嵌入式通用路由平臺(tái)VRP所特有的系統(tǒng)擴(kuò)展試驗(yàn)設(shè)備管理系統(tǒng)DMC，底層采取反向telnet技術(shù)實(shí)現(xiàn)了對(duì)串行RS232通信端口的驅(qū)動(dòng)，上層實(shí)現(xiàn)了與用戶的web交互，采用圖形界面完成對(duì)網(wǎng)絡(luò)實(shí)驗(yàn)拓?fù)涞牟倏�，解決了原實(shí)訓(xùn)室應(yīng)用過(guò)程中插拔設(shè)備的弊病，既保護(hù)了設(shè)備，又延長(zhǎng)了設(shè)備使用壽命。同時(shí)，成功搭建了遠(yuǎn)程網(wǎng)絡(luò)教學(xué)平臺(tái)，實(shí)現(xiàn)了遠(yuǎn)程網(wǎng)絡(luò)教學(xué)實(shí)訓(xùn)的擴(kuò)展功能。
文內(nèi)圖片：
圖片說(shuō)明：NEMS系統(tǒng)架構(gòu)示意圖
[Abstract]:There is a certain difference between the remote network training environment based on embedded WEB reverse login technology and the actual construction of the network, that is, the complexity of the network line and the diversity of the protocols. In order to provide the best and real experimental environment for teachers and students, the network laboratory is required to simulate these complex environments as much as possible. This requires that in the construction of network laboratory, it can not only simulate the networking mode and business ideas of broadband data metropolitan area network and large campus network, but also construct various types of local area network and wide area network. Through my many years of teaching and research, it is found that at the beginning of the course of network major, the network equipment in the training room has its own initial configuration, but after the experiment, the parameters of the initial configuration (such as IP, gateway, etc.) have changed, which brings inconvenience to the future courses. In order to ensure the teaching quality, it is necessary to restore the initial information of the network equipment. For a large network laboratory, it must be able to provide an easy way to manage multiple devices at the same time. In order to solve the above problems, this study introduces the remote test system into the real project of the network technology training room of Hebei Software Vocational and Technical College. Firstly, the reverse telnet is realized through the Cisco cisco25 series router to construct the terminal server, and several real devices, such as H3C routers and switches, are used to apply the more mature application programs embedded in the multi-port router in the industry with less investment. The whole process of building remote network training environment is skillfully presented, and the architecture of remote test system is realized. Secondly, the architecture diagram of a university is given, and the embedded DMC software platform system is implanted. according to the basic requirements and management mode of the network laboratory, the simple function description and circuit analysis are carried out, the solution of the laboratory is expounded in detail, and the characteristics and advantages of the system are summarized. In the process of practice, referring to the representative out-of-band login technology of famous Cisco company in the industry, the author deeply excavates the functions of H3C network equipment, and skillfully applies the system extension test equipment management system DMC, which is unique to the industry H3C embedded general routing platform VRP, to realize the driver of serial RS232 communication port by adopting reverse telnet technology in the bottom layer, and realizes the web interaction with users in the upper layer. The graphical interface is used to complete the control of the network experiment topology, which solves the disadvantages of inserting and pulling the equipment in the application process of the original training room, which not only protects the equipment, but also prolongs the service life of the equipment. At the same time, the remote network teaching platform is successfully built, and the expansion function of distance network teaching training is realized.
【學(xué)位授予單位】：河北大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TP393.05
本文編號(hào)：2512388
文內(nèi)圖片：
圖片說(shuō)明：NEMS系統(tǒng)架構(gòu)示意圖
[Abstract]:There is a certain difference between the remote network training environment based on embedded WEB reverse login technology and the actual construction of the network, that is, the complexity of the network line and the diversity of the protocols. In order to provide the best and real experimental environment for teachers and students, the network laboratory is required to simulate these complex environments as much as possible. This requires that in the construction of network laboratory, it can not only simulate the networking mode and business ideas of broadband data metropolitan area network and large campus network, but also construct various types of local area network and wide area network. Through my many years of teaching and research, it is found that at the beginning of the course of network major, the network equipment in the training room has its own initial configuration, but after the experiment, the parameters of the initial configuration (such as IP, gateway, etc.) have changed, which brings inconvenience to the future courses. In order to ensure the teaching quality, it is necessary to restore the initial information of the network equipment. For a large network laboratory, it must be able to provide an easy way to manage multiple devices at the same time. In order to solve the above problems, this study introduces the remote test system into the real project of the network technology training room of Hebei Software Vocational and Technical College. Firstly, the reverse telnet is realized through the Cisco cisco25 series router to construct the terminal server, and several real devices, such as H3C routers and switches, are used to apply the more mature application programs embedded in the multi-port router in the industry with less investment. The whole process of building remote network training environment is skillfully presented, and the architecture of remote test system is realized. Secondly, the architecture diagram of a university is given, and the embedded DMC software platform system is implanted. according to the basic requirements and management mode of the network laboratory, the simple function description and circuit analysis are carried out, the solution of the laboratory is expounded in detail, and the characteristics and advantages of the system are summarized. In the process of practice, referring to the representative out-of-band login technology of famous Cisco company in the industry, the author deeply excavates the functions of H3C network equipment, and skillfully applies the system extension test equipment management system DMC, which is unique to the industry H3C embedded general routing platform VRP, to realize the driver of serial RS232 communication port by adopting reverse telnet technology in the bottom layer, and realizes the web interaction with users in the upper layer. The graphical interface is used to complete the control of the network experiment topology, which solves the disadvantages of inserting and pulling the equipment in the application process of the original training room, which not only protects the equipment, but also prolongs the service life of the equipment. At the same time, the remote network teaching platform is successfully built, and the expansion function of distance network teaching training is realized.
【學(xué)位授予單位】：河北大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TP393.05
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