Aboki ya ambaci yadda ake raba vlans, amma a zahiri, raba vlans yana da mahimmanci a aikace-aikacen fasahar sadarwa. Cibiyoyin sadarwa da yawa suna buƙatar rarraba vlan. A yau, bari mu koyi game da wannan fannin tare.
Ma'anar VLAN:
VLAN shine takaitaccen hanyar sadarwa na Local Area Network a turance, wanda kuma aka sani da cibiyar sadarwar yankin kama-da-wane. Fasaha ce da ke gane ƙungiyoyin aiki na kama-da-wane ta hanyar rarraba na'urori a cikin mahallin cibiyar sadarwar yankin zuwa sassan cibiyar sadarwa maimakon raba su ta zahiri. Don raba VLANs, dole ne ku sayi na'urorin cibiyar sadarwa masu goyan bayan aikin VLAN.
Manufar raba VLANs:
An ba da shawarar VLAN don magance batutuwan watsa shirye-shirye da tsaro na Ethernet, kuma watsa shirye-shirye da zirga-zirgar zirga-zirga tsakanin VLAN ɗaya ba za a tura zuwa wasu VLANs ba. Ko da kwamfutoci biyu da ke cikin sashin cibiyar sadarwa iri ɗaya ba su cikin VLAN ɗaya ba, ba za a tura rafukan watsa shirye-shiryensu ga junansu ba.
Rarraba VLANs yana taimakawa wajen sarrafa zirga-zirga, rage saka hannun jari na na'ura, sauƙaƙe sarrafa hanyar sadarwa, da haɓaka tsaro na cibiyar sadarwa. Saboda VLANs ke ware guguwar watsa shirye-shirye da sadarwa tsakanin VLANs daban-daban, sadarwa tsakanin VLANs daban-daban dole ne ta dogara da na'urori masu amfani da hanyoyin sadarwa ko na'urori masu sauyawa masu layi uku.
Hanyar rarraba VLAN:
Akwai hanyoyi guda hudu don raba VLANs, kowanne yana da nasa fa'ida da rashin amfani. Lokacin rarraba VLANs zuwa cibiyoyin sadarwa, ya zama dole a zaɓi hanyar rarraba mai dacewa dangane da ainihin halin da cibiyar sadarwar ke ciki.
1. VLAN dangane da rarraba tashar jiragen ruwa: Yawancin masana'antun cibiyar sadarwa suna amfani da tashar jiragen ruwa don rarraba membobin VLAN. Kamar yadda sunan ke nunawa, rabon VLAN na tushen tashar jiragen ruwa yana nufin ayyana wasu mashigai na sauyawa azaman VLAN.
Rarraba VLAN dangane da tashar jiragen ruwa ita ce hanyar da aka fi amfani da ita don rarraba VLAN. Fa'idodin rarraba VLANs dangane da tashoshin jiragen ruwa suna da sauƙi kuma a sarari, kuma gudanarwa shima ya dace sosai. Rashin lahani shine kulawa yana da ɗan wahala.
2. Rarraba VLAN dangane da adireshin MAC: Kowane katin sadarwar yana da adireshin jiki na musamman a duniya, wanda shine adireshin MAC. Dangane da adireshin MAC na katin sadarwar, ana iya raba kwamfutoci da yawa zuwa VLAN iri ɗaya.
Babban fa'idar wannan hanyar ita ce idan wurin da mai amfani yake motsawa, wato, lokacin da ya canza daga wannan maɓalli zuwa wani, VLAN ba ya buƙatar sake daidaitawa; Rashin hasara shine lokacin fara VLAN, duk masu amfani dole ne su daidaita shi, kuma nauyin masu aiki yana da nauyi.
3. Raba VLANs dangane da Layer na cibiyar sadarwa: Wannan hanyar rarraba VLANs ta dogara ne akan adireshin Layer na cibiyar sadarwa ko nau'in yarjejeniya na kowane mai watsa shiri, maimakon hanyar turawa. Lura: Wannan hanyar rarraba VLAN ta dace da cibiyoyin sadarwa masu faɗi kuma baya buƙatar cibiyoyin sadarwa na yanki.
4. Rarraba VLAN dangane da multicast IP: IP multicast shine ainihin ma'anar VLAN, wanda ke nufin cewa ƙungiyar multicast VLAN ce. Wannan hanyar rarrabawa tana faɗaɗa VLANs zuwa cibiyoyin sadarwar yanki mai faɗi kuma ba ta dace da cibiyoyin sadarwa na yanki ba, saboda ma'aunin cibiyoyin sadarwa bai kai irin wannan babban sikeli ba tukuna.
A bayyane yake cewa duk fasahar VLAN ba su dace da amfani da hanyar sadarwa gaba ɗaya ba. Bayan samun cikakkiyar fahimtar VLANs, yakamata mu iya yin sahihin hukunce-hukuncen ko raba VLAN ya zama dole bisa yanayin hanyar sadarwar mu.
Zaɓi yanayin rarraba VLAN da ya dace
Yawancin ma'aikatan fasaha kawai sun san cewa rarrabawar VLAN na iya inganta aikin watsawar hanyar sadarwa, amma ba su san cewa yanayin rabuwar VLAN mara ma'ana ba zai rage aikin watsa cibiyar sadarwa. Saboda mahalli daban-daban na cibiyoyin sadarwa daban-daban, hanyar rarraba VLAN mafi dacewa don amfani da su ta bambanta. A ƙasa, za mu yi bayani dalla-dalla kan abin da yanayin rarraba VLAN ya fi dacewa ga cibiyoyin sadarwar kasuwanci ta amfani da misalai.
Misali, a cikin hanyar sadarwar kamfanoni, akwai kwamfutoci 43 na abokan ciniki, wanda 35 daga cikinsu kwamfutocin tebur ne, 8 kuma kwamfyutocin. Hanyoyin sadarwar ba su da girma sosai. Sakamakon wasu bayanai masu muhimmanci a ma’aikatar kudi da talakawan ma’aikata ba sa son gani, don inganta tsaro na cibiyar sadarwa, hukumar gudanarwar sadarwar ta yanke shawarar raba hanyar sadarwar zuwa VLAN don ware sadarwa tsakanin talakawan ma’aikata da PC na ma’aikatan sashen kudi.
Bukatun aikace-aikacen: Daga bayanin da ke sama, ana iya ganin cewa kamfani yana raba VLANs don inganta tsaro, yayin da inganta aikin watsawar hanyar sadarwa ba shine babban dalilin ba. Saboda ƙarancin adadin abokan ciniki a cikin kasuwancin, kwamfyutocin kwamfyutoci suna da ƙarfi motsi. A cikin aikin yau da kullun, manajoji yawanci suna buƙatar matsar da kwamfyutocin tafi-da-gidanka zuwa ɗakunan taro don biyan bukatun aikin wayar hannu. A wannan yanayin, yanayin rarraba VLAN dangane da tashar jiragen ruwa bai dace da kasuwancin ba, kuma mafi dacewa hanyar rarraba VLAN ta dogara ne akan adiresoshin MAC.
Don haka ga kamfanoni, yanayin rarraba VLAN mafi dacewa ya dogara ne akan rarraba tashar jiragen ruwa da rarraba adireshin MAC. Don cibiyoyin sadarwar kasuwanci tare da ƙananan abokan ciniki da buƙatu akai-akai don aikin wayar hannu, rarraba VLANs dangane da adiresoshin MAC shine mafi kyawun yanayin rarrabawa. Don cibiyoyin sadarwar kasuwanci tare da ɗimbin abokan ciniki kuma babu buƙatar ofishin wayar hannu, ana iya raba VLANs dangane da tashar jiragen ruwa. A taƙaice, zaɓi yanayin rarraba VLAN mai dacewa dangane da buƙatun cibiyar sadarwa.
Ƙarshe:
Rarraba VLANs da alama ya zama batun clich é d, amma a aikace-aikace masu amfani, mutane kaɗan ne suka sami damar yin amfani da rarrabuwar VLAN a matsayin kayan aikin gudanarwa. Mafi mahimmanci, wasu cibiyoyin sadarwa ba sa buƙatar rarraba VLAN, amma sakamakon haka, ma'aikatan fasaha suna rarraba VLANs gare su, yana haifar da raguwar ingancin sadarwar cibiyar sadarwa. Kadan an san cewa rabon VLAN mai ma'ana zai iya inganta haɓakar watsawar hanyar sadarwa, balle a yi la'akari da rarraba VLAN azaman mafita mai kyau don rage saurin hanyar sadarwa.
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Lokacin aikawa: Mayu-29-2023