Qhov teeb meem twg yog qhov ua rau muaj kev sib tsoo?

Cov txheej txheem:

Qhov teeb meem twg yog qhov ua rau muaj kev sib tsoo?
Qhov teeb meem twg yog qhov ua rau muaj kev sib tsoo?
Anonim

Muaj ntau qhov ua rau muaj kev sib tw, tsis muaj ib qho twg yuav tsum tshwm sim ntawm lub cev, noj qab haus huv network! Qhov feem ntau yuav ua rau yog kev sib tsoo ntau dhau, uas tuaj yeem cuam tshuam Ethernet thav duab, ua rau tsuas yog thawj ib nrab ntawm tus ncej pom ua ntej nws raug txiav tawm los ntawm kev sib tsoo.

Dab tsi ua rau runts thiab input yuam kev?

Cov no yog cov lus piav qhia ntawm CRC yuam kev thiab khiav: … Ntau tus CRCs feem ntau yog qhov tshwm sim ntawm kev sib tsoo lossis chaw nres tsheb xa cov ntaub ntawv tsis zoo. Runts yog Ethernet pob ntawv uas tsawg dua 64 bytes thiab tej zaum yuav tshwm sim los ntawm kev sib tsoo ntau dhau.

Yuav ua li cas khiav hauv kev sib tham?

A runt yog a thav duab uas me dua li qhov tsawg kawg nkaus tus ncej loj rau IEEE-802.3 tus qauv thav ntawv. Hauv ethernet uas yog 64 bytes. Feem ntau tshwm sim los ntawm kev sib tsoo.

Runt loj heev thiab kev sib tsoo yog dab tsi?

thaum ib pob ntawv tsawg dua 64 byte nws hu ua runt ib txwm tshwm sim vim kev sib tsoo. Kev sib tsoo tshwm sim thaum ob qho tib si interface sim xa cov ntaub ntawv. Thaum pob ntawv loj dua 6000 byte nws hu ua loj heev nws tshwm sim vim yog kev ua txhaum ntawm cov khoom siv lossis software ntawm cov khoom xa tuaj.

pob ntawv runts yog dab tsi?

Runts yog tus naj npawb ntawm cov pob ntawv uas tsawg dua qhov tsawg kawg nkaus qhov tsawg dua 64 bytes. Cov pob ntawv Runt raug muab pov tseg. Cov pob ntawv uas loj dua qhov siab tshaj plaws pob ntawv loj ntawm 1, 518 bytes hu ua Giants. Cov pob ntawv no raug muab pov tseg.

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