BPDUGuard yog dab tsi?
BPDUGuard yog dab tsi?

Video: BPDUGuard yog dab tsi?

Video: BPDUGuard yog dab tsi?
Video: Lab BPDU Guard : Cấu hình bật tính năng bảo mật BPDU Guard trên switch Cisco 2024, Kaum ib hlis
Anonim

BPDU Tus Saib Xyuas feature yog siv los tiv thaiv Txheej 2 Spanning Tree Protocol (STP) Topology los ntawm BPDU ntsig txog kev tawm tsam. Thaum a BPDU Tus Saib Xyuas enabled chaw nres nkoj tau txais BPDU los ntawm cov cuab yeej txuas, BPDU Tus Saib Xyuas disables qhov chaw nres nkoj thiab lub xeev chaw nres nkoj hloov mus rau Errdisable xeev.

Ntxiv mus, Bpdu sawv rau dab tsi?

choj raws tu qauv data unit

Kuj Paub, yog Bpdu guard enabled los ntawm lub neej ntawd? Bpdu tiv yog enabled los ntawm lub neej ntawd yog li ntawd nws txhais tau tias bpdu tiv xav tau portfast hais kom ua qhib nyob rau hauv thawj qhov chaw.

Hais txog qhov no, Bpdu Guard muab kev tiv thaiv dab tsi?

Cov BPDU tiv thaiv feature yog tsim los tso cai rau network designers kom lub active network topology kwv yees. BPDU tiv thaiv yog siv rau tiv thaiv hloov network los ntawm cov teeb meem uas yuav tshwm sim los ntawm qhov tau txais ntawm BPDUs ntawm cov chaw nres nkoj uas yuav tsum tsis tau txais lawv.

Dab tsi yog qhov txawv ntawm Bpdu guard thiab Bpdu lim?

BPDUs tso cai rau cov keyboards kom tau txais cov ntaub ntawv hais txog ib leeg. BPDU lim yuav tiv thaiv inbound thiab outbound BPDU tab sis yuav tshem tawm lub xeev portfast ntawm qhov chaw nres nkoj yog tias a BPDU tau txais. Ua kom tau BPDU lim dej ntawm ib qho interface yog tib yam li disabling spanning ntoo ntawm nws thiab tuaj yeem ua rau spanning-ntoo loops.

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