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本書全面系統(tǒng)地介紹了構(gòu)建網(wǎng)絡(luò)工程項目過程中涉及的相關(guān)知識與技術(shù)，全書共17個項目，內(nèi)容包含網(wǎng)絡(luò)與通信入門、網(wǎng)絡(luò)體系結(jié)構(gòu)、局域網(wǎng)組網(wǎng)技術(shù)、交換機基礎(chǔ)與配置、VLAN 隔離技術(shù)、生成樹技術(shù)、聚合端口技術(shù)、IP子網(wǎng)規(guī)劃、三層交換技術(shù)、DHCP自動分配地址、路由器技術(shù)、靜態(tài)路由技術(shù)、RIP路由技術(shù)、OSPF路由技術(shù)、網(wǎng)絡(luò)安全技術(shù)、NAT技術(shù)和廣域網(wǎng)接入技術(shù)。每個項目最后均提供【項目小結(jié)】和【認證測試】，幫助讀者鞏固所學內(nèi)容。
本書既可以作為高校計算機網(wǎng)絡(luò)技術(shù)專業(yè)相關(guān)課程的教材，又可以作為銳捷全球認證解決方案工程師（RGSA）認證教材和銳捷網(wǎng)絡(luò)1 X職業(yè)技能等級證書配套教材，還可以作為網(wǎng)絡(luò)工程師、系統(tǒng)集成工程師等相關(guān)技術(shù)人員的自學參考書。

項目1
網(wǎng)絡(luò)與通信入門...............................................................1
【項目情景】..............................................................................................................................1
【項目目標】..............................................................................................................................1
【知識準備】..............................................................................................................................1
1.1 網(wǎng)絡(luò)功能............................................................................................................................2
1.2 網(wǎng)絡(luò)發(fā)展歷程......................................................................................................................4
1.3 網(wǎng)絡(luò)分類............................................................................................................................8
1.4 網(wǎng)絡(luò)通信知識....................................................................................................................14
【項目實訓】組建雙機互聯(lián)對等網(wǎng)絡(luò)...........................................................................................15
【項目小結(jié)】............................................................................................................................17
【素質(zhì)提升】6S管理規(guī)范..........................................................................................................17
【認證測試】............................................................................................................................17

項目2
網(wǎng)絡(luò)體系結(jié)構(gòu)................................................................19
【項目情景】............................................................................................................................19
【項目目標】............................................................................................................................19
【知識準備】............................................................................................................................20
2.1 網(wǎng)絡(luò)體系結(jié)構(gòu)與網(wǎng)絡(luò)通信協(xié)議.............................................................................................20
2.2 OSI-RM通信標準...........................................................................................................21
2.3 TCP/IP通信標準..............................................................................................................24
2.4 IEEE 802通信標準..........................................................................................................32
2.5 層次化局域網(wǎng)....................................................................................................................33
【項目實訓】搭建辦公網(wǎng)............................................................................................................35
【項目小結(jié)】............................................................................................................................36
【素質(zhì)提升】第一次把事情做對..................................................................................................36
【認證測試】............................................................................................................................37

項目3
局域網(wǎng)組網(wǎng)技術(shù).............................................................38
【項目情景】............................................................................................................................38
【項目目標】............................................................................................................................38
【知識準備】............................................................................................................................39
3.1 局域網(wǎng)..............................................................................................................................39
3.2 以太網(wǎng)技術(shù).......................................................................................................................41
【項目實訓】捕獲局域網(wǎng)數(shù)據(jù)幀..................................................................................................46
網(wǎng)絡(luò)互聯(lián)技術(shù)（理論篇）
（第 2版）

2
【項目小結(jié)】............................................................................................................................48
【素質(zhì)提升】有效時間管理........................................................................................................48
【認證測試】............................................................................................................................48

項目4
交換機基礎(chǔ)與配置..........................................................50
【項目情景】............................................................................................................................50
【項目目標】............................................................................................................................50
【知識準備】............................................................................................................................50
4.1 二層交換技術(shù)....................................................................................................................51
4.2 認識交換機.......................................................................................................................52
4.3 配置交換機.......................................................................................................................59
4.4 配置交換機安全................................................................................................................63
【項目實訓】配置交換機SSH登錄............................................................................................65
【項目小結(jié)】............................................................................................................................67
【素質(zhì)提升】有效溝通...............................................................................................................67
【認證測試】............................................................................................................................67

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