數(shù)據(jù)鏈路層功能課件

數(shù)據(jù)鏈路層的功能雌l數(shù)據(jù)鏈路層的功能1學(xué)習(xí)目標(biāo)學(xué)習(xí)完本課程,您應(yīng)該能夠:描述數(shù)據(jù)鏈路層功能描述數(shù)據(jù)如何在以太網(wǎng)上傳輸列舉工作在數(shù)據(jù)鏈路層的設(shè)備學(xué)習(xí)目標(biāo)2課程內(nèi)容●數(shù)據(jù)鏈路層簡介●局域網(wǎng)介紹●數(shù)據(jù)鏈路層設(shè)備●以太網(wǎng)交換機(jī)工作原理課程內(nèi)容3藪據(jù)鏈路層簡介數(shù)據(jù)鏈路層是osl參考模型的第二層,在物理層基礎(chǔ)上向網(wǎng)絡(luò)層提供服務(wù)數(shù)據(jù)鏈路層為物理鏈路上提供可靠的數(shù)據(jù)傳輸局域網(wǎng)的數(shù)據(jù)鏈路層協(xié)議有以太網(wǎng)、令牌環(huán)網(wǎng)等廣域網(wǎng)數(shù)據(jù)鏈路層協(xié)議有PPP、HDLc、Frame藪據(jù)鏈路層簡介4數(shù)據(jù)鏈路層功能層會(huì)話層傳輸層幀同步功能網(wǎng)絡(luò)層差錯(cuò)控制功能數(shù)據(jù)鏈路層一.流量控制功能物理層鏈路管理功能數(shù)據(jù)鏈路層功能5數(shù)據(jù)鏈路層功能課件6數(shù)據(jù)鏈路層功能課件7數(shù)據(jù)鏈路層功能課件8數(shù)據(jù)鏈路層功能課件9數(shù)據(jù)鏈路層功能課件10數(shù)據(jù)鏈路層功能課件11數(shù)據(jù)鏈路層功能課件12數(shù)據(jù)鏈路層功能課件13數(shù)據(jù)鏈路層功能課件14數(shù)據(jù)鏈路層功能課件15數(shù)據(jù)鏈路層功能課件16數(shù)據(jù)鏈路層功能課件17數(shù)據(jù)鏈路層功能課件18數(shù)據(jù)鏈路層功能課件19數(shù)據(jù)鏈路層功能課件20數(shù)據(jù)鏈路層功能課件21數(shù)據(jù)鏈路層功能課件22數(shù)據(jù)鏈路層功能課件23數(shù)據(jù)鏈路層功能課件24數(shù)據(jù)鏈路層功能課件25數(shù)據(jù)鏈路層功能課件26數(shù)據(jù)鏈路層功能課件27數(shù)據(jù)鏈路層功能課件28數(shù)據(jù)鏈路層功能課件29數(shù)據(jù)鏈路層功能課件30數(shù)據(jù)鏈路層功能課件31數(shù)據(jù)鏈路層功能課件32數(shù)據(jù)鏈路層功能課件33數(shù)據(jù)鏈路層功能課件34數(shù)據(jù)鏈路層功能課件35數(shù)據(jù)鏈路層功能課件36數(shù)據(jù)鏈路層功能課件37數(shù)據(jù)鏈路層功能課件38數(shù)據(jù)鏈路層功能課件39數(shù)據(jù)鏈路層功能課件40數(shù)據(jù)鏈路層功能課件41數(shù)據(jù)鏈路層功能課件42數(shù)據(jù)鏈路層功能課件43數(shù)據(jù)鏈路層功能課件44數(shù)據(jù)鏈路層功能課件45數(shù)據(jù)鏈路層功能課件46數(shù)據(jù)鏈路層功能課件47數(shù)據(jù)鏈路層功能課件48數(shù)據(jù)鏈路層功能課件49數(shù)據(jù)鏈路層功能課件50數(shù)據(jù)鏈路層功能課件51數(shù)據(jù)鏈路層功能課件52數(shù)據(jù)鏈路層功能課件53數(shù)據(jù)鏈路層功能課件54數(shù)據(jù)鏈路層功能課件55數(shù)據(jù)鏈路層功能課件56數(shù)據(jù)鏈路層功能課件57數(shù)據(jù)鏈路層功能課件58數(shù)據(jù)鏈路層功能課件59數(shù)據(jù)鏈路層功能課件60數(shù)據(jù)鏈路層功能課件61數(shù)據(jù)鏈路層的功能雌l數(shù)據(jù)鏈路層的功能62學(xué)習(xí)目標(biāo)學(xué)習(xí)完本課程,您應(yīng)該能夠:描述數(shù)據(jù)鏈路層功能描述數(shù)據(jù)如何在以太網(wǎng)上傳輸列舉工作在數(shù)據(jù)鏈路層的設(shè)備學(xué)習(xí)目標(biāo)63課程內(nèi)容●數(shù)據(jù)鏈路層簡介●局域網(wǎng)介紹●數(shù)據(jù)鏈路層設(shè)備●以太網(wǎng)交換機(jī)工作原理課程內(nèi)容64藪據(jù)鏈路層簡介數(shù)據(jù)鏈路層是osl參考模型的第二層,在物理層基礎(chǔ)上向網(wǎng)絡(luò)層提供服務(wù)數(shù)據(jù)鏈路層為物理鏈路上提供可靠的數(shù)據(jù)傳輸局域網(wǎng)的數(shù)據(jù)鏈路層協(xié)議有以太網(wǎng)、令牌環(huán)網(wǎng)等廣域網(wǎng)數(shù)據(jù)鏈路層協(xié)議有PPP、HDLc、Frame藪據(jù)鏈路層簡介65數(shù)據(jù)鏈路層功能層會(huì)話層傳輸層幀同步功能網(wǎng)絡(luò)層差錯(cuò)控制功能數(shù)據(jù)鏈路層一.流量控制功能物理層鏈路管理功能數(shù)據(jù)鏈路層功能66數(shù)據(jù)鏈路層功能課件67數(shù)據(jù)鏈路層功能課件68數(shù)據(jù)鏈路層功能課件69數(shù)據(jù)鏈路層功能課件70數(shù)據(jù)鏈路層功能課件71數(shù)據(jù)鏈路層功能課件72數(shù)據(jù)鏈路層功能課件73數(shù)據(jù)鏈路層功能課件74數(shù)據(jù)鏈路層功能課件75數(shù)據(jù)鏈路層功能課件76數(shù)據(jù)鏈路層功能課件77數(shù)據(jù)鏈路層功能課件78數(shù)據(jù)鏈路層功能課件79數(shù)據(jù)鏈路層功能課件80數(shù)據(jù)鏈路層功能課件81數(shù)據(jù)鏈路層功能課件82數(shù)據(jù)鏈路層功能課件83數(shù)據(jù)鏈路層功能課件84數(shù)據(jù)鏈路層功能課件85數(shù)據(jù)鏈路層功能課件86數(shù)據(jù)鏈路層功能課件87數(shù)據(jù)鏈路層功能課件88數(shù)據(jù)鏈路層功能課件89數(shù)據(jù)鏈路層功能課件90數(shù)據(jù)鏈路層功能課件91數(shù)據(jù)鏈路層功能課件92數(shù)據(jù)鏈路層功能課件93數(shù)據(jù)鏈路層功能課件94數(shù)據(jù)鏈路層功能課件95數(shù)據(jù)鏈路層功能課件96數(shù)據(jù)鏈路層功能課件97數(shù)據(jù)鏈路層功能課件98數(shù)據(jù)鏈路層功能課件99數(shù)據(jù)鏈路層功能課件100數(shù)據(jù)鏈路層功能課件101數(shù)據(jù)鏈路層功能課件102數(shù)據(jù)鏈路層功能課件103數(shù)據(jù)鏈路層功能課件104數(shù)據(jù)鏈路層功能課件105數(shù)據(jù)鏈路層功能課件106數(shù)據(jù)鏈路層功能課件107數(shù)據(jù)鏈路層功能課件108數(shù)據(jù)鏈路層功能課件109數(shù)據(jù)鏈路層功能課件110數(shù)據(jù)鏈路層功能課件111數(shù)據(jù)鏈路層功能課件112數(shù)據(jù)鏈路層功能課件113數(shù)據(jù)鏈路層功能課件114數(shù)據(jù)鏈路層