【正文】 II Abstract Since 1995, China Education and Research Network (CERNET) following the pletion of the campus work has entered a phase of vigorous development. And the pletion of the campus work, to improve the quality of teaching and research, teaching and research to improve the conditions for schools to speed up the process of carrying out multimedia teaching and research, and teaching so that more people, more research results have important and farreaching Significance. The main local area work, including a variety of technical ideas, work design, work topology, cabling system, Intra / Inter applications, work security, work maintenance and so and universities and primary and secondary schools in preparation for building the campus work, and hopes that the campus work to improve the conditions for running schools, improve teaching, research and management. Campus work for schools is a major project must be carefully designed and construction work, so affordable, technologically advanced, open good strength and reasonable investment, domestic and international works and the Inter, longterm, stable operation Highperformance campus work. Key words: Campus Network, the planning, design, working 南昌職業(yè)學(xué)院畢業(yè)論文設(shè)計(jì) III 目 錄 內(nèi)容摘要 ............................................................................................................................................................................... I ABSTRACT........................................................................................................................................................................II 目錄 ..................................................................................................................................................................................... III 一 校園網(wǎng)絡(luò)應(yīng)用需求 .............................................................................................................................................. 1 存在問題分析 ........................................................................................................................................................... 1 校園網(wǎng)主要解決的問題 ........................................................................................................................................ 1 建設(shè)目標(biāo)分析 ........................................................................................................................................................ 2 需求分析 ................................................................................................................................................................... 2 本章小結(jié) ................................................................................................................................................................... 3 二 校園方案設(shè)計(jì) .......................................................................................................................................................... 4 拓?fù)浣Y(jié)構(gòu)設(shè)計(jì) .......................................................................................................................................................... 4 設(shè)計(jì)思想及原則 ...................................................................................................................................................... 5 系統(tǒng)需求分析 ........................................................................................................................................................... 7 設(shè)備選型 ................................................................................................................................................................... 7 三 網(wǎng)絡(luò)總體設(shè)計(jì) ........................................................................................................................................................ 10 ： .......................................................................................................................................... 10 網(wǎng)絡(luò)三層結(jié)構(gòu)設(shè)計(jì) ............................................................................................................................................... 10 匯聚層設(shè)備選型 ................................................................................................................................................. 12 路由器選型 ............................................................................................................................................................ 14 防火墻設(shè)備的選型 .............................................................................................................................................. 15 四 網(wǎng) 絡(luò)地址規(guī)劃及 VLAN 應(yīng)用 ........................................................................................................................... 18 邏輯網(wǎng)路設(shè)計(jì) ........................................................................................................................................................ 24 五 校園網(wǎng)絡(luò)管理及安全維護(hù) ................................................................................................................................. 18 威脅網(wǎng)絡(luò)安全因素分析 ..................................................................................................................................... 24 網(wǎng)絡(luò)安全防范措施 .............................................................................................................................................. 24 網(wǎng)絡(luò) 管理 ................................................................................................................................................................ 24 網(wǎng)絡(luò)安全策略配置 ............................................................................................................................................... 26 拒絕服務(wù)的