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1、以太網(wǎng)交換機(jī)基礎(chǔ)培訓(xùn)教材Catalog目錄1以太網(wǎng)概述..............................................................................................................................................62以太網(wǎng)的基礎(chǔ)知識(shí).........................................

2、.........................................................................................62.1MAC地址..........................................................................................................................

3、......................62.2以太網(wǎng)幀的幀格式.................................................................................................................................72.2.1以太網(wǎng)Ⅱ...............................................

4、.................................................................................82.2.2帶有802.2邏輯鏈路控制的IEEE802.3..............................................................................82.2.3IEEE802.3子網(wǎng)訪(fǎng)問(wèn)協(xié)議（以太網(wǎng)SNAP）..

5、...................................................................82.2.4Novell以太網(wǎng).........................................................................................................................92.3CSMACD.......

6、.......................................................................................................................................92.4沖突域和廣播域..........................................................................

7、.........................................................102.5以太網(wǎng)的典型設(shè)備HUB.....................................................................................................................102.6全雙工以太網(wǎng)...................

8、....................................................................................................................113二層交換機(jī)的基本原理...........................................................................................

9、.............................113.1二層交換機(jī)...........................................................................................................................................113.2支持VLAN的二層交換機(jī).........................

10、...........................................................................................143.2.1VLAN的概念...................................................................................................................

11、.....153.2.2VLAN的劃分........................................................................................................................163.2.3VLAN的標(biāo)準(zhǔn)...................................................................

12、.....................................................173.2.4支持VLAN交換機(jī)的轉(zhuǎn)發(fā)流程............................................................................................194三層交換機(jī)基本原理..........................................

13、..................................................................................224.1三層交換機(jī)的提出.............................................................................................................................

14、..224.2三層交換機(jī)基本特征...........................................................................................................................234.3三層交換機(jī)的功能模型..................................................................

15、.....................................................234.4三層交換機(jī)轉(zhuǎn)發(fā)流程...........................................................................................................................254.4.1IP網(wǎng)絡(luò)規(guī)則.................

16、..........................................................................................................254.4.2三層轉(zhuǎn)發(fā)流程.....................................................................................................

17、.................254.4.3選路過(guò)程..............................................................................................................................274.5路由器和交換機(jī)......................................................

18、.............................................................................294.5.1接口......................................................................................................................................

19、304.5.2特點(diǎn)對(duì)照..............................................................................................................................305交換機(jī)相關(guān)協(xié)議和技術(shù)......................................................................

20、..................................................305.1物理層特性（接口）...........................................................................................................................305.1.1自協(xié)商.......................

21、...........................................................................................................315.1.2智能MDIMDIX自識(shí)別..............................................................................................

22、..........315.1.3流控機(jī)制..............................................................................................................................325.1.4POE供電.............................................................

23、.................................................................335.1.5端口鏡像..............................................................................................................................335.2二層協(xié)議和特性......

24、.............................................................................................................................335.2.1STPRSTPMSTP協(xié)議...........................................................................

25、............................345.2.2GARPGVRPGMRP.........................................................................................................355.2.3聚合特性.........................................................

26、.....................................................................365.2.4Isolateuservlan.................................................................................................................375.2.5二層多播.....

27、.........................................................................................................................385.2.6QinQ........................................................................................

28、.............................................395.3三層特性...............................................................................................................................................395.3.1SuperVLAN.......

29、..................................................................................................................39以太網(wǎng)交換機(jī)基礎(chǔ)培訓(xùn)教材Page3Total48第3頁(yè)，共48頁(yè)圖索引圖1MAC地址..............................................................

30、..........................................................................7圖2常用的以太網(wǎng)幀格式.....................................................................................................................8圖3由HUB組成的網(wǎng)絡(luò).....

31、.................................................................................................................11圖4全雙工以太網(wǎng).................................................................................................

32、..............................11圖5二層交換機(jī)結(jié)構(gòu)示意圖...............................................................................................................12圖6二層交換機(jī)的轉(zhuǎn)發(fā)流程...................................................

33、............................................................13圖7二層交換機(jī)工作在鏈路層...........................................................................................................13圖8交換機(jī)的沖突域和廣播域.......................

34、....................................................................................14圖9由二層交換機(jī)構(gòu)成的扁平網(wǎng)絡(luò)...................................................................................................14圖10基于端口VLAN的劃分....

35、............................................................................................................16圖11802.1QVLAN幀格式..............................................................................................

36、.....................18圖12Trunk鏈路實(shí)現(xiàn)虛擬工作組.........................................................................................................18圖13支持VLAN交換機(jī)交換引擎.........................................................

37、...............................................19圖14IVL和SVL地址學(xué)習(xí)方式............................................................................................................20圖15IVL地址學(xué)習(xí)方式轉(zhuǎn)發(fā)流程.............................

38、...........................................................................21圖16SVL地址學(xué)習(xí)方式轉(zhuǎn)發(fā)流程.......................................................................................................21圖17支持VLAN交換機(jī)沖突域和廣播域...

39、.........................................................................................22圖18三層交換機(jī)功能模型...................................................................................................................24

40、圖19三層交換引擎...............................................................................................................................24圖20三層轉(zhuǎn)發(fā)流程.........................................................................

41、......................................................26圖21路由器的最長(zhǎng)匹配轉(zhuǎn)發(fā)...............................................................................................................28圖22三層交換機(jī)轉(zhuǎn)發(fā)精確匹配........................

42、.................................................................................29圖23三層交換機(jī)轉(zhuǎn)發(fā)最長(zhǎng)匹配.........................................................................................................29圖24以太網(wǎng)的自協(xié)商......

43、.....................................................................................................................31圖25STP阻塞網(wǎng)絡(luò)環(huán)路.........................................................................................

44、...............................34圖26MSTP根據(jù)VLAN進(jìn)行阻塞鏈路.................................................................................................35圖27GARP屬性注冊(cè)和注銷(xiāo).......................................................

45、.........................................................35圖28GARP基本原理............................................................................................................................36圖29Isolateuservlan......

46、......................................................................................................................37圖30不支持多播功能交換機(jī).......................................................................................

47、........................38圖31QinQ實(shí)現(xiàn)vMAN..........................................................................................................................39圖32802.1X認(rèn)證體系結(jié)構(gòu)..........................................

48、.........................................................................41圖33PTAL認(rèn)證四大要素...............................................................................................................43圖34集群的組成...........

49、........................................................................................................................45圖35IRF的組成.........................................................................................

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