Vlan tagging tshwm sim nyob qhov twg?

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Vlan tagging tshwm sim nyob qhov twg?
Vlan tagging tshwm sim nyob qhov twg?

Video: Vlan tagging tshwm sim nyob qhov twg?

Video: Vlan tagging tshwm sim nyob qhov twg?
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VLAN Tagging, tseem hu ua Ncej Tagging, yog ib txoj hauv kev tsim los ntawm Cisco los pab txheeb xyuas cov pob ntawv taug kev los ntawm kab txuas. Thaum ib qho Ethernet thav duab hla lub cev txuas, ib qho tshwj xeeb VLAN tag tau ntxiv rau tus ncej thiab xa mus hla lub cev txuas.

VLAN tagging ua haujlwm li cas?

A VLAN tag suav nrog header ntawm txhua tus ncej xalos ntawm qhov chaw nres tsheb kawg ntawm VLAN. Thaum tau txais ib daim ntawv teev npe, qhov hloov pauv yuav tshuaj xyuas cov kab ntawv kab lus thiab, raws li VLAN lossis, txheeb xyuas VLAN. Qhov hloov ces xa tus ncej mus rau qhov chaw nyob hauv VLAN tau txheeb xyuas.

Yuav tsum muaj VLANs li cas?

Koj yuav tsum xav txog kev siv VLAN's hauv ib qho xwm txheej hauv qab no: Koj muaj ntau dua 200 cov khoom siv ntawm koj lub LAN. … Cov neeg siv xov tooj tuaj yeem nyob ntawm VLAN sib txawv, tsis yog nrog cov neeg siv niaj hnub. Los yog, tsuas yog ua ib qho kev hloov pauv mus rau ntau qhov hloov pauv virtual.

VLAN tagging thiab untagging ua haujlwm li cas?

Lub hom phiaj ntawm qhov chaw tagged lossis "trunked" chaw nres nkoj yog kom dhau kev tsheb mus rau ntau VLAN's, whereas ib qho tsis muaj tagged lossis "kev nkag mus" chaw nres nkoj lees txais kev khiav tsheb rau tib VLAN nkaus xwb. Feem ntau hais lus, cov chaw nres nkoj lub cev yuav txuas cov hloov pauv, thiab cov chaw nkag nkag yuav txuas mus rau cov khoom siv kawg.

Tus txheej txheem twg yog lub luag haujlwm rau VLAN tagging?

IEEE 802.1Q, feem ntau hu ua Dot1q, yog tus qauv sib txuas lus uas txhawb nqa virtual LANs (VLANs) ntawm IEEE 802.3 Ethernet network. Tus qauv txhais tau hais tias lub kaw lus ntawm VLAN tagging rau Ethernet thav ntawv thiab cov txheej txheem nrog rau siv los ntawm cov txuas hniav thiab cov keyboards hauv kev tuav cov thav ntawv.

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