Niaj hnub no peb mam li qhia koj yuav ua li cas rau configure QoS. Yuav ua li cas hom ntawm kev tivthaiv, kuj yuav piav nyob rau hauv kom meej hereinafter. Peb pib nrog ib tug txhais, thiab ces kov cov subtleties ntawm chaw thiab txawv le caag rau daim ntawv thov ntawm cov kev cai lis lub tsheb.
txhais
Zoo ntawm Service (QoS) - ib tug technology rau tej chav kawm ntawv ntawm cov tsheb khiav ua ntej predetermined rau txij nkawm. Qhov no mus kom ze ua kev txiav txim zoo tsuas yog thaum lub queue tau tshwm sim. Cov yav tas yog tsim nyob rau hauv ib tug tshwj xeeb "nqaim" qhov chaw. Thiab nws yog feem ntau hu ua lub "bottleneck." Ib tug raug piv txwv ntawm cov queue yuav ntshai li lub Internet nyob rau hauv lub chaw ua hauj lwm qhov twg cov computers muaj kev cob cog rau lub network ntawm tus nqi ntawm 100 Mbit / sec. Nyob rau hauv cov ntaub ntawv no, tag nrho lawv siv tib lub channel. Txawm li cas los, QoS technology yuav tsis muab suav hais tias ib tug panacea. Yog hais tias lub "caj dab" yog ib yam nkaus thiab nqaim thiab feem ntau congested interface tsis. Uas muab tso rau nws nyob rau hauv cov ntaub ntawv packets.
tsis
Tom ntej no yuav tau los sib tham nyob rau hauv kom meej QoS chaw. Cov kev hloov mus rau lub queue yog yuav tau kho cov chav kawm ntawv. Tom ntej no mus rau lawv, yuav tsum txhais tau tsis rau bandwidth. Tam sim no nws yog tsim nyog los siv rau lub interface los mus tsim ib tug tsim. Ntxiv QoS chaw yog txheeb lub packets mus rau hauv cov chav kawm ntawv. Ua li no, koj yuav siv tau muab sib txawv. Piv txwv li, raws li nyob rau hauv lub DSCP teb, highlight ib tug raws tu qauv los yog qhia yuav ua li cas lub ACL template. Cia peb kawm saib ua li cas rau tag nrho cov qhab router yog paub. Cov ntaub ntawv los ntawm bandwidth attribute nyob rau hauv lub interface. Txawm tias thaum twg nws yog tsis ntsees configured, ib co ntawm nws cov nuj nqis tshwm tsim nyog. Nws yuav pom los ntawm kev siv qhov hais kom ua sh rau cov menyuam.
hauv paus ntsiab lus ntawm cov lag luam
Thaum nqa tawm QoS chaw, nws yog ib qho tseem ceeb los ua tim nyob rau hauv lub siab hais tias ua neej ntawd, ntawm peb pov tseg, tsis tag nrho cov qhab, tiam sis tsuas yog 75%. Tej pob khoom uas tsis poob mus rau lwm yam kev kawm ntawv, nkag mus rau lub chav kawm ntawv-neej ntawd hais. Routers saib xyuas, tus kws tswj txoj tsis tau muab ntau dua bandwidth tshaj yog muaj. Tej cov me nyuam raug nres. Ib tug tau txais lub tswv yim tias txoj cai npaj rau qhov teeb meem cov chav kawm ntawm tsis muaj ntau tshaj li ib lub Performance index. Txawm li cas los, xws li ib tug teeb meem no yog tsim tsuas yog hais tias tag nrho queues yog tag nrho. Nyob rau hauv cov ntaub ntawv ntawm depopulation tej npaj nws band proportionally faib puv "cov neeg nyob ze". Yog hais tias cov ntaub ntawv yog los ntawm cov chav kawm ntawv muaj tus txheej xwm ntawm feem, lub router yog focused rau cov kis ntawm cov xws packets. Ntxiv mus, qhov muaj feem thib queue yog ob peb tug. Nyob rau hauv cov ntaub ntawv no, lub band yog muab faib proportionally ntawm lub predetermined feem pua. Thaum qhov muaj feem thib packets mus rau qhov kawg, nws yog lub lem rau CBWFQ.
Rau txhua interim readout ntawm tag nrho cov queues "scooped" cov ntaub ntawv qhia tawm. Nws yuav tsum tau muab sau tseg nyob rau hauv lub configuration ntawm cov coj hauv chav kawm ntawv. Yog hais tias ib feem ntawm lub queue yog tas rau ib co yog vim li cas, lawv cov qhab yog muab faib proportionally. Peb tam sim no xav txog yuav ua li cas thaum koj yuav tsum tau txiav mob cov ntaub ntawv los ntawm cov chav kawm ntawv uas muaj tshaj cov teev ceev. Nws yog ib qho tseem ceeb yuav tau nco ntsoov hais tias tus reference bandwidth tsuas allocates bandwidth thaum lub queue yog tag nrho. Koj yuav tau qhia qhov yuav tsum tau nruab nrab ceev thiab siab tshaj plaws "emissions". Qhov ntau lub caij nyoog kawg no daim duab, tus ceev cov kis tau tus mob tej zaum yuav yog puas yuav mus rau sab. Peb piav me ntsis txog tej ntsiab cai uas yog raws li QoS chaw.