目錄

第1 章 網(wǎng)絡(luò)互聯(lián)概述···················1

1.1 網(wǎng)絡(luò)互聯(lián)的概念·······················1

1.1.1 網(wǎng)絡(luò)互聯(lián)形式與層次············1

1.1.2 網(wǎng)絡(luò)互聯(lián)的目的與功能·········2

1.1.3 網(wǎng)絡(luò)互聯(lián)的優(yōu)點(diǎn)··················2

1.1.4 基于IP 協(xié)議的互聯(lián)網(wǎng)數(shù)據(jù)交換過(guò)程···························2

1.2 網(wǎng)絡(luò)體系結(jié)構(gòu)··························3

1.2.1 OSI 七層體系結(jié)構(gòu)···············4

1.2.2 TCP/IP 四層體系結(jié)構(gòu)···········5

1.3 練習(xí)題···································7

第2 章 網(wǎng)絡(luò)互聯(lián)設(shè)備···················8

2.1 傳輸介質(zhì)及其連接器·················8

2.1.1 同軸電纜···························8

2.1.2 雙絞線······························9

2.1.3 光纖······························· 10

2.1.4 網(wǎng)卡······························· 11

2.2 中繼器與集線器····················· 13

2.2.1 中繼器···························· 13

2.2.2 集線器···························· 14

2.3 網(wǎng)橋與以太網(wǎng)交換機(jī)··············· 14

2.3.1 網(wǎng)橋······························· 15

2.3.2 以太網(wǎng)交換機(jī)概述············· 17

2.3.3 交換機(jī)的組成··················· 19

2.3.4 交換機(jī)的體系結(jié)構(gòu)············· 22

2.3.5 交換機(jī)的性能指標(biāo)············· 24

2.3.6 交換機(jī)的分類··················· 27

2.4 路由器································· 29

2.4.1 路由器概述······················ 29

2.4.2 路由器的組成··················· 31

2.4.3 路由器的體系結(jié)構(gòu)············· 36

2.4.4 路由器的性能指標(biāo)············· 37

2.4.5 路由器的分類··················· 38

2.5 網(wǎng)關(guān)及防火墻························ 40

2.5.1 網(wǎng)關(guān)······························· 40

2.5.2 防火墻···························· 41

2.6 練習(xí)題································· 45

第3 章 網(wǎng)絡(luò)設(shè)備管理基本操作···· 46

3.1 基于H3C 設(shè)備的Comware軟件平臺(tái)····························· 46

3.2 H3C 網(wǎng)絡(luò)設(shè)備管理相關(guān)術(shù)語(yǔ)······ 47

3.2.1 用戶界面························· 47

3.2.2 視圖······························· 48

3.2.3 命令行接口······················ 49

3.2.4 命令級(jí)別和用戶級(jí)別·········· 51

3.2.5 保存當(dāng)前配置··················· 52

3.3 網(wǎng)絡(luò)設(shè)備登錄與認(rèn)證··············· 52

3.3.1 通過(guò)Console 接口登錄設(shè)備······························· 53

3.3.2 Console 口登錄的用戶接口認(rèn)證方式··················· 56

3.3.3 通過(guò)Telnet 登錄網(wǎng)絡(luò)設(shè)備···· 57

3.3.4 通過(guò)瀏覽器或網(wǎng)管軟件登錄······························· 58

3.3.5 通過(guò)Console 口用Modem撥號(hào)進(jìn)行遠(yuǎn)程登錄············· 60

3.4 網(wǎng)絡(luò)設(shè)備文件管理·················· 62

3.4.1 文件名參數(shù)輸入規(guī)則·········· 62

3.4.2 文件類型························· 62

3.4.3 網(wǎng)絡(luò)設(shè)備啟動(dòng)引導(dǎo)調(diào)用文件過(guò)程························· 63

3.4.4 文件與目錄操作················ 64

3.5 網(wǎng)絡(luò)設(shè)備系統(tǒng)程序升級(jí)············ 65

3.5.1 基于XModem 協(xié)議的BootROM菜單操作升級(jí)過(guò)程············· 65

3.5.2 基于FTP 協(xié)議的命令行操作升級(jí)過(guò)程··················· 66

3.6 練習(xí)題································· 67

第4 章 以太網(wǎng)交換技術(shù)·············· 69

4.1 以太網(wǎng)技術(shù)··························· 69

4.1.1 以太網(wǎng)技術(shù)標(biāo)準(zhǔn)················ 69

4.1.1 以太網(wǎng)技術(shù)標(biāo)準(zhǔn)················ 69

4.1.2 以太網(wǎng)數(shù)據(jù)鏈路層的數(shù)據(jù)封裝······························· 72

4.2 以太網(wǎng)交換機(jī)數(shù)據(jù)轉(zhuǎn)發(fā)機(jī)制······ 73

4.2.1 交換機(jī)端口傳輸模式·········· 73

4.2.2 交換機(jī)數(shù)據(jù)轉(zhuǎn)發(fā)方式·········· 74

4.2.3 交換機(jī)數(shù)據(jù)轉(zhuǎn)發(fā)與

轉(zhuǎn)發(fā)表的維護(hù)··················· 74

4.3 交換機(jī)的應(yīng)用技術(shù)·················· 76

4.3.1 級(jí)聯(lián)與堆疊······················ 76

4.3.2 端口與地址綁定················ 78

4.3.3 端口鏡像························· 79

4.4 交換機(jī)的端口及地址表管理配置··································· 79

4.4.1 H3C 交換機(jī)命名規(guī)則········· 79

4.4.2 H3C 交換機(jī)接口編號(hào)規(guī)則··· 80

4.4.3 以太網(wǎng)端口的全雙式/

半雙工設(shè)置······················ 81

4.4.4 以太網(wǎng)端口的速率設(shè)置······· 81

4.4.5 以太網(wǎng)端口的網(wǎng)線類型設(shè)置····························· 82

4.4.6 以太網(wǎng)端口廣播風(fēng)暴制比設(shè)置······························· 82

4.4.7 開啟以太網(wǎng)流量控制特性···· 83

4.4.8 關(guān)閉以太網(wǎng)端口················ 83

4.4.9 MAC 地址表管理配置········ 83

4.5 交換機(jī)鏈路聚合技術(shù)··············· 84

4.5.1 鏈路聚合概述··················· 84

4.5.2 鏈路聚合分類··················· 84

4.5.3 靜態(tài)聚合示例··················· 85

4.6 生成樹································· 87

4.6.1 STP 協(xié)議························· 87

4.6.2 STP 的改進(jìn)······················ 96

4.6.3 STP 配置························· 98

4.7 虛擬局域網(wǎng)技術(shù)····················· 99

4.7.1 VLAN 概述······················ 99

4.7.2 IEEE 802.1Q 標(biāo)準(zhǔn)············ 102

4.7.3 基于端口的VLAN 實(shí)現(xiàn)···· 104

4.7.4 基于協(xié)議的VLAN 實(shí)現(xiàn)···· 109

4.8 練習(xí)題································111

第5 章 IP 路由技術(shù)·················· 114

5.1 路由及路由表······················ 114

5.1.1 路由基礎(chǔ)······················· 114

5.1.2 路由的生成與維護(hù)方法····· 116

5.2 路由算法與協(xié)議··················· 117

5.2.1 路由算法······················· 117

5.2.2 路由協(xié)議······················· 120

5.2.3 路由匹配······················· 122

5.3 RIP 協(xié)議····························· 125

5.3.1 RIP 協(xié)議簡(jiǎn)介················· 125

5.3.2 RIP 協(xié)議對(duì)路由表維護(hù)····· 127

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