Isitchu esebenza ngokukhulu ngekhanda le-Fiber: Isisombululo esaphulelo se Enterprise Connectivity

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Iphepha Lesi

Izinkomo

Ngiyabuzisa

Iphutha

Vumela Nethu

iswitchi enenye ipoti ye-fiber

Isithwici se-fiber porti sibonisa isithwici esibalulekile sokuxhumana okuhlanganisa amathuluzi wokuxhumana ngokwezindaba ne-fiber optic connectivity. Le qhali le netiwekhi yenziwa ngamaphorti e-Ethernet amavumelekile kanye ne-fiber optic interfaces, ekuvumela ukuxhumana okungahlelwa phakathi kwezinhlanhlayo zasekati nezinhlanhlayo ze-fiber. Lo ndawo isebenza ku data link layer ye-OSI model, balela ukuthumela idatha ngendlela efanele phakathi kwezinhlanhlayo ezahlukene. Ingxenye ye-fiber porti iyavumela ukuthunyelwa okude kakhulu, okuqala kuma-kilometere angama-600 kuya kuma-kilometere angama-100, bakuphepha ubunzima bomsuka futhi uyizilo lapho kudingeka. Le qhali kuyasebenza nezinhlobo ezahlukene ze-fiber, njengoba ngu single-mode futhi multi-mode fiber, ekuvumela ukusebenziswa ngezinethiwekhini ezifanayo. Ukuxhumana kwamaporti we-fiber kuyavumela ukuthunyelwa kwe-idatha enobunikazi obukhulu, okusungula ku-1Gbps ukuze kube ngu-100Gbps, lokhu kuyafuna izinhlanhlayo zemvumo kanye nezinhlanhlayo ezinobukhosi obukhulu bomsebenzi. Izithwici zamanje ezine fiber ports kuyadinga amathuluzi amasha njenge-VLAN support, Quality of Service (QoS) management, kanye nezothekwano zokuphepha. Ziludzwa indima ebalulekile kuzinhlanhlayo zezinkampani, izinkundla zedatha, kanye nezinethiwekhini zokuxhumana, lapho kudingeka ukuxhumana okuphephe kanye nobukhosi obukhulu bubaluleke.

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Imishini yekhelwa enenani le fiber iyeza izintulelo ezinhle kakhulu ezingcono ukuthi zibe yindlela esikhundleni sezinga lezokusebenza ngemvume. Okokuqala, zinikeza ukudluliselwa okude kakhulu kunazo imishini egunyazwe ngekhalasi, ekuvumela izivikele ukuhamba phakathi kwezindawo eziphezulu ngenxa yengxenyana yombane. Lo msebenzi we-fiber optic uwona inkubonelo ephezulu kakhulu yokugcinwa kwedatha, ekuvumela ukudlulisa okuphezulu kwegatshana nezinseke zokusebenza ezidinga ukugcinwa okuphezulu. Le mishini inesifiso esikhulu kakhulu kuma-interference wemali edlule ngaphandle kwebandlule, lokhu kuyindlela yeke kuzindawo zokusebenza lapho ikhwabaniso le-electrical iyadingeka. Ukungena kwamaporti wefibre kuholela ekuvikelweni kwezivikele, ngoba amakhabeli wefibre optic akungenziwanga ngendlela elula noma kungase kungabonakali. Kuhulumeni olukhethekile, le mishini inikeza ukusebenza okuphezulu kakhulu nokudala, amaphathi wefibre optic ingaba yilapho engiyasebenza ngempela. Isimo samabili alo mishini, okusebenza njengo fiber nekhalasi, inikeza ukusebenza okuphezulu kakhulu kuzivikele. Bayavumela ukuguqula kwezivikele eziphakathi kwekhalasi ku fiber, ekuvumela abasebenzisi ukuthuleka kwezivikele ngokwehlukaneka. Le mishini futhi iyavumela ukusebenza okuphezulu kuhulumeni lwezivikele, kanye namaphakheji olukhanyise nezinseke zokusebenza, ekuvumela ukushisana ngemvume. Ukusebenza okuphezulu kwezimali iyinto elandelwayo, ngoba ukudluliselwa wefibre optic kudinga amanzi amancane kunamakhabeli wekhalasi, lokhu kuyindlela yokuncipisa izindleko zokusebenza. Izinkubonelo ezispeedi phezulu zamaporti wefibre ziholela kuzivikele ezizimele, ezikwazi ukuxhasa izidingo ezinciyeliweyo nezinseke ezisha.

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iswitchi enenye ipoti ye-fiber

iswitchi sefiber, 4 imigqa

iswichi sefaya lekhe 24 ipoti

iswichi sokuguqula isimakade

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iswitchi se-fiber channel san

iswichi esiyihlawuliwe yamakhabeli

Ukusebenza Okuphezulu Nokuthuthukiswa Kwenkqubo

Iswishi enetheku le-fiber inikeza ukusebenza kwenethiwekhi okuhlukile ngenxa yokwakhiwa kwayo okuthuthukile namakhono e-fiber optic. Ukuhlanganiswa kwamachweba we-fiber kwenza kube nokwenzeka ukudlulisa idatha ngesivinini esedlula kakhulu ukuxhumana okujwayelekile okusekelwe ethusi, ngokusekela amazinga afinyelela ku-100Gbps ngechweba ngalinye. Lolu hlobo lwesivinini esiphawulekayo luqinisekisa ukuphathwa kahle kwezicelo nezinsizakalo ezifuna idatha eningi. Isakhiwo sokushintsha sihlanganisa ukuphathwa kwe-buffer eyinkimbinkimbi kanye nezinqubo zokubekwa phambili kwezimoto, okunciphisa ukulibaziseka nokulahleka kwepakethe ngisho nangaphansi kwemithwalo emikhulu yenethiwekhi. Isici sokunwebeka siphawuleka ngokukhethekile, njengoba lezi zinguquko zingakwazi ukuhambisana nokukhula kwenethiwekhi kalula ngokusebenzisa ukuklama kwe-modular kanye nokuhlelwa okuhlanganisiwe. Ubuchwepheshe be-fiber port buvumela ukwandisa okuqhubekayo kokufinyelela kwenethiwekhi ngaphandle kokuphazamisa ukusebenza, okwenza kube yisixazululo esihle kakhulu sezinhlangano ezikhulayo.

Iinkxenzo zobubelelo kunye nokunakekelwa

Ukuphela nokuthwala kanye nezici ezinhloko eziyiswitches enenamacala afayibha, zokwenza amathuluzi amaningi wokuphela nokubuyiselwa. I-teknolojhi yefayibha yokuxhumana ngokwengeziwe ikhipha ukuphelisa ngokulinganisa nezikhwama ezinzile, njengoba akudingeki ukuthintwa kwezinye izihlangu sokuxhumana ngezinga lokuvikwa. Le switches zenziwa ngemisebenzi yokuphela engenhane, efakwe kuzo iphepha lokusekela, amalungu okufikelela (ACLs), nokukhiya izinca, ukuze ikhiphe ukuphela okukhanyayo kakhulu kumaqo angahambi futhi kwebhudlayo. Ukuthwala kuholelwa ngokunamathelwano amadlulelwa wekhamera, amathambo athola ukubuyekezwa, nokushintshana okuzenzekelayo. Le macala afayibha ngokwazo yonke ikhona ukuthwala kakhulu, inakekela kwezimo zomoya, wayekwazi ukugcina ukusebenza okujwayele kakhulu ngemva kokudala. Lokhu kombisa izici zokuphela futhi nezindlela zokuthwala zenza le switches zibe yisicelo esifanelekileyo kumavilakosi amakhulu.

Imikembo yokuphathwa nokugcina ngokukhulu

Imikembo yokuphatha nokugcina ama-switch enenani lezinhloso zokuxhumana nezinhloso zokuxhumana kuzinikeza amaphakathi we-inthanethi izindlela ezinhle yokuphatha ukusebenza okuphezulu kwenkqubo. Lezi switch zenekile imikhasi yokuphatha engcono, iyavikela ukusebenzisa i-command-line kunye nezikhombisa yomsebenzisi ukuseta nokugcina. Izindlela zokulungisa ngokucacileyo zinezikhondo zokugcinwa ngokubangelwa kwesikhundla, ipateleni lokuxhumana kunye nezinto zokugcinwa inkqubo. Lezi switch avikela iziprothokholi zokuphatha ezininzi, afake i-SNMP, i-RMON kunye no-sFlow, okunika inkqubo epheleleyo yokubona kunye nokulungisa izinkinga. Imikembo ye-phatha ngokushora kuzinikeza amaphakathi ukuseta kunye nokuphatha ama-switch apho na, okunciphisa inkosteni yokusebenza. Inokuqonda ukugcinwa kwezindleko, ubude bensuku kunye nezinye izinto zokulinganisa ukuze kuthathwe isimo esiphezulu sokusebenza kwaye unxibelelwe izinkinga ngaphambili koko zithathe inyaniso yenkqubo.