Ib qho kev hloov pauv ntau yog lub khoos phis tawj sib txuas uas hloov pauv ntawm OSI txheej 2 zoo li qhov hloov pauv sib txuas sib txuas thiab muab cov haujlwm ntxiv ntawm cov txheej txheem OSI siab dua.
L3 hloov nws ua haujlwm li cas?
Tsuas muab, txheej 3 hloov sib txuas ua haujlwm ntawm kev hloov pauv thiab lub routerNws ua raws li kev hloov mus txuas cov khoom siv uas nyob ntawm tib lub subnet lossis virtual LAN ntawm xob laim speeds thiab muaj IP routing txawj ntse tsim rau hauv nws los ua ob npaug li lub router. … Qhov no yog li cas ib txheej 3 hloov ua ob qho tib si hloov thiab lub router.
Qhov txawv ntawm L2 thiab L3 hloov li cas?
The txheej 2 thiab txheej 3 sib txawv feem ntau hauv txoj haujlwm routing. Ib txheej 2 hloov ua haujlwm nrog MAC chaw nyob nkaus xwb thiab tsis quav ntsej txog IP chaw nyob lossis cov khoom ntawm cov txheej txheem siab dua. Txheej 3 hloov, lossis hloov ntau qhov sib txawv, tuaj yeem ua txhua txoj haujlwm ntawm txheej 2 hloov thiab ntxiv static routing thiab dynamic routing ib yam.
Lub luag haujlwm ntawm txheej 3 hloov yog dab tsi?
Yuav hais li cas, txheej 3 hloov yog lub network hloov nrog qee lub router ua haujlwm. Lub hom phiaj tseem ceeb tshaj plaws ntawm txheej 3 hloov yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txheej Nws tuaj yeem ua tiav ib txoj hauv kev thiab ntau cov txheej txheem xa mus.
Puas yog L3 hloov lub router?
Ib txheej 3 hloov yog ob qhov hloov pauv thiab lub router: nws tuaj yeem suav tias yog router nrog ntau lub chaw nres nkoj Ethernet thiab nrog kev hloov pauv. … Zoo li ib txwm router, txheej 3 hloov kuj tuaj yeem teeb tsa los txhawb cov txheej txheem routing xws li RIP, OSPF, thiab EIGRP.