• Iiseva ze-DHCP zilungelelanisa ulawulo lwenethiwekhi ngokuthatha ulwabiwo oluzenzekelayo lweedilesi ze-IP kunye nezinye iindlela zokumisela, zinciphisa umsebenzi wezandla kunye neempazamo.

• Umdaniso we-DHCP uhamba ngolu hlobo—Ukufumanisa, Ukunikezela, Isicelo kunye noKuvuma, okuvumela izixhobo ukuba zingene kwinethiwekhi kwaye ziqale ukunxibelelana ngaphandle kokucinga.

• I-NESS DHCP Server, Client, Relay, Pool (kubandakanya ukuthembeka) Izinto eziphambili ze-DHCP zokufunda ezifana ne-server, client, relay, kunye ne-address pool zibalulekile kwimisebenzi yenethiwekhi esebenzayo nethembekileyo.

• I-DHCP idla ngokuba lula ukuyikhulisa kwaye ikwazi ukukhulisa kunee-IP ezingasebenziyo, ihambelana kakuhle neenethiwekhi ezitshintshatshintshayo okanye ezikhulayo. Ukutshixa iseva yakho ye-DHCP kubalulekile.

• Ukusebenza okunamandla okufana nokubhukisha, ukukhutshwa kwezinto ezithile, ukusilela, kunye nokuhlanganiswa kwe-DNS kwenza kube lula uthungelwano olusebenzayo, oluthembekileyo, nolulawulekayo, ngakumbi kwiindawo ezintsonkothileyo zokusasazwa.

• Ukhathalelo olusebenzayo olufana nokubeka esweni rhoqo, ukusombulula iingxaki ngexesha elifanelekileyo, kunye nokunamathela kwiindlela ezilungileyo kuqinisekisa ukuba imeko yakho ye-DHCP ihlala ikhuselekile, izinzile, kwaye iphendula kwiimfuno zenethiwekhi.

Iseva ye-DHCP yabela iidilesi ze-IP kunye nezinye iiparameter zoqwalaselo lwenethiwekhi kwizixhobo ezikwinethiwekhi ukuze zikwazi ukunxibelelana nezinye iinethiwekhi ze-IP. Igcina ixesha lomsebenzisi kuba inika ezi setingi ngokuzenzekelayo, ngoko ke abantu akufuneki balungiselele isixhobo ngasinye ngesandla. Iseva ye-DHCP isebenza kakuhle emakhaya, ezikolweni nakwiiofisi ezinkulu kuba igcina izinto zilula kwaye inciphisa iimpazamo. Xa ifowuni okanye ikhompyutha entsha ingena kwinethiwekhi, iseva ye-DHCP ikhetha idilesi ye-IP yayo kwaye isasaze olunye ulwazi olufana nesango kunye ne-DNS. Ii-routers ezininzi zine-DHCP ebhakiweyo, nto leyo eyenza ukuseta inethiwekhi kube lula. Kwicandelo elilandelayo, fumana indlela i-DHCP esebenza ngayo kunye nokubaluleka kwayo.

Yintoni i-DHCP Server?

Iseva ye-DHCP yenza lula inkqubo yokumisela izixhobo kuyo nayiphi na inethiwekhi ngokuzenzekela ukwabiwa kweedilesi ze-IP kunye nolunye ulwazi olubalulekileyo olufana neemaski ze-subnet, ii-gateways, kunye needilesi zeseva ye-DNS. Le protocol, eyaziwa ngokuba yi-Dynamic Host Configuration Protocol (DHCP), ijonga ukuba zeziphi iidilesi ze-IP ezinikiweyo kunye neziphi ezikhoyo ukuze abathengi be-DHCP bakwazi ukuqhagamshela kwinethiwekhi ngokuzenzekelayo. Iinethiwekhi ezininzi zisebenzisa i-router okanye iseva ezinikeleyo esebenza njengeseva yabo ye-DHCP, edlala indima ebalulekileyo ekuqinisekiseni ukuba isixhobo ngasinye sifumana idatha efunekayo yonxibelelwano olusebenzayo kunye nokufikelela kwizixhobo zenethiwekhi, nto leyo enciphisa umzamo owenziwa ngesandla. Kwiiofisi zehlabathi okanye kwiintsapho ezixakekileyo, ukuseta i-DHCP enamandla kubonisa ukuba akukho ngxaki ingako kunye neempazamo ezimbalwa.

1. Ukufunyanwa

Xa isixhobo siqhagamshela kwinethiwekhi, sikhwaza sicela uncedo ngokuvelisa umyalezo we-DHCP Discover. Yindlela yokuqala ifowuni, ilaptop okanye nayiphi na igajethi exelela ngayo inethiwekhi ukuba ifuna idilesi.

Umyalezo weDiscover uyasasazwa, ngoko ke uya kuzo zonke iiseva zeDHCP ezilapho ziphulaphule. Oku kubalulekile, kuba ngaphandle kokukhwaza kokuqala, isixhobo sihlala silahlekile, singakwazi ukunxibelelana nabanye. Kwiinethiwekhi ezinkulu apho izixhobo zihlala kwiinethi ezahlukeneyo, iiarhente ezikhethekileyo ezibizwa ngokuba ziiarhente ze-relay ziyayithintela iDiscover kwaye ziyithumele kwiseva efanelekileyo - ukuqinisekisa ukuba akukho matshini ushiywe ungenanto.

2. Isipho

Iseva ye-DHCP iphendula ngokukhupha i-DHCP Offer njengembuyekezo. Lo myalezo uchaza idilesi iseva enokuyinika, ixesha elingakanani isixhobo esinokuyisebenzisa, kunye nezinye iiparameter ezifana nesango elimiselweyo. Iiseva zinokwenza izibonelelo ezininzi ukuba kukho ukhetho, ngoko ke isixhobo sinokufumana ezininzi esinokukhetha kuzo.

Izixhobo emva koko zijonga ukhetho. Ukuba kukho izibonelelo ezingaphezu kwesinye, ziyazilinganisela kwaye zikhethe eyona ifanelekileyo ngaphambi kokuba ziqhubeke.

3. Isicelo

Isixhobo sikhetha isipho size sithumele isicelo se-DHCP. Oku kubonisa kwiseva ukuba 'Ndiza kuthatha loo dilesi'. Ngamanye amaxesha, isixhobo siza kusebenzisa lo myalezo ufanayo ukucela ulwandiso kwidilesi esele ikwiyo.

Isicelo siya kuzo zonke iiseva ukuze wonke umntu azi ukuba loluphi unikezelo olwamkelweyo. Iseva ekhethiweyo ilungiselela ukufaka ulwazi kunye nokuhlaziya isiseko sayo sedatha.

4. Ukuvuma

Emva koko iseva ithumela i-DHCP Acknowledgment ukuze yamkele isivumelwano. Lo myalezo uqulathe lonke ulwazi loqwalaselo olufunekayo kwisixhobo.

Ngaphandle kokunqwala okuvela kwiseva, isixhobo asinakusebenzisa idilesi, kwaye asinakujoyina inethiwekhi. Ukuvuma sisilumkiso sokugqibela esiluhlaza.

Izinto eziphambili zeDHCP

Ilungiselelo le-DHCP elisebenzayo, kuquka ukuseta i-DHCP eguquguqukayo, lixhomekeke kwizinto ezimbalwa eziphambili ezigcina izixhobo zenethiwekhi zixhunyiwe kwaye zilawulwa. Ukuqonda indlela ezi nkonzo ze-DHCP ezisebenza ngayo kwikhonsathi kwenza kube lula ukulawula nayiphi na inethiwekhi, naphi na emhlabeni.

Umncedisi

Iseva ye-DHCP idlala indima ebalulekileyo ekulawuleni ukwabiwa kweedilesi ze-IP ngaphakathi kwinethiwekhi. Igcina isiseko sedatha seedilesi ze-IP ezikhoyo, ijonga imeko yazo yokwabiwa kunye nobude bexesha lokuqeshisa, eyaziwa ngokuba yi-IP address pool. Xa isixhobo siqhagamshela kwinethiwekhi, sithumela ipakethi ye-DHCPDISCOVER, nto leyo ekhuthaza iseva ukuba ikhethe idilesi ye-IP eguqukayo ekhoyo. Emva koko iseva iphendula nge-DHCPOFFER, equka useto olubalulekileyo olufana ne-subnet mask kunye neeseva ze-DNS. Idilesi nganye enikiweyo irekhodwa nge Irenti ye-DHCPs, kwaye iseva ilandelela ixesha lokuqeshisa, elinokwahluka ngokuxhomekeke ekuxinaneni kwenethiwekhi. Iinethiwekhi ezinkulu zihlala zifuna iinkonzo ze-DHCP eziqinileyo ezinememori ephuculweyo kunye nobuchule bokucubungula ukuqinisekisa ukusebenza kakuhle.

Umthengi

Iklayenti ye-DHCP, efana nelaptop evenkileni yekofu okanye ithelevishini ehlakaniphile ekhaya, yinto efuna idilesi ye-IP. Iklayenti iqala inkqubo ngokusasaza i-DHCPDISCOVER ize ilinde impendulo. Emva kokukhetha iseva, ithumela i-DHCPREQUEST ukuze icele idilesi, ifumane uqwalaselo lwayo nge-DHCPACK. Iklayenti igcina isibali-xesha sokuqeshisa se-dhcp yayo yokuqeshisa, kwaye xa isibali-xesha siphelile, icela ukuhlaziya nge-DHCPREQUEST enye. Ukuba inethiwekhi iyatshintsha, iklayenti ingathumela i-DHCPDECLINE okanye icele useto olutsha, iqinisekise ukwabiwa kwedilesi ye-IP ngokufanelekileyo. Izixhobo zisebenzisa idilesi yazo ye-MAC njenge-ID yeklayenti, ivumela iseva ukuba ichonge isixhobo ngasinye.

I-Relay

Iiarhente ze-relay zidlala indima ebalulekileyo kwiinethiwekhi ezahlulwe zibe zii-subnet ezininzi ngokwenza kube lula ukusetwa kwe-DHCP eguquguqukayo. Rhoqo, abathengi kunye neeseva azikho kwi-subnet efanayo, ngoko ke i-relay ibamba imiyalezo yabathengi ize iyithumele kwiseva efanelekileyo ye-DHCP, ngesiqhelo ngokufaka idilesi yayo kwiphakheji. Ngaphandle kwezi arhente ze-relay, i-subnet nganye iya kufuna iseva yayo ye-DHCP, nto leyo eyenza kube nzima ukulawula inethiwekhi. Olu dibaniso lwenza iiofisi ezinkulu okanye iikhampasi zisebenzise iseva enye ye-DHCP kuzo zonke iindawo zazo.

Ichibi

I-IP pool yinqwaba yeedilesi ezinikezelwa yiseva ye-DHCP enamandla, ebunjwe yi-subnet mask eyahlula inethiwekhi ibe ziinxalenye. Ukubukela i-pool kubalulekile—ukuba iyaphela, abathengi abatsha be-DHCP abanakukwazi ukunxibelelana. Ukulandelela ii-DHCP leases kugcina yonke into ihamba kakuhle, nangona izixhobo ezintsha zingena kwi-intanethi.

I-DHCP ngokuchasene ne-IP eqinileyo

Zombini ii-DHCP kunye neeseti ze-IP ezingashukumiyo zibalulekile kuthungelwano lwanamhlanje. Ngokuqhelekileyo kuxhomekeka kwiintlobo zezixhobo ezikwithungelwano, ukuba ithungelwano litshintsha kangakanani, kunye nokuba ufuna umgudu ongakanani ukuze liqhubeke lisebenza kakuhle. Akukho mpendulo inye kuzo zonke. Zombini zinamandla azo kunye nobuthathaka bazo, kwaye nganye ifanelekile kwiimfuno ezithile kunezinye.

I-DHCP igqwesile kwiindawo ezixakekileyo zeeofisi okanye kwizikolo apho abantu befika bephuma rhoqo, kwaye izixhobo zihlala zitshintshwa. Ngokuseta i-DHCP okunamandla, isixhobo ngasinye sifumana idilesi ye-IP ngaphandle kokuseta ngesandla. Olu phawu luluncedo ngakumbi xa unezixhobo ezingamakhulu okanye amawaka ezifana neelaptops, iitablets, okanye iifowuni. Ukuba zi-BYOD, ziyasebenza nje! Olu lungiselelo lunciphisa ixesha elichithwa ekulungiseni ukuxubana kwaye lunciphisa umngcipheko wezixhobo ezibini ezikhuphisanayo kwidilesi enye.

I-IP engaguqukiyo, ngokuchaseneyo, ifanelekile kwizinto ekufuneka zibekwe kwindawo enye yonke imihla. Iiseva, iiprinta, ii-firewall, okanye nesilwanyana esidala esisebenza nzima kwimisebenzi ephambili yeshishini—ngesiqhelo, ezi zifuna idilesi engaguqukiyo. Ngale ndlela, ukufikelela kude kulula kwaye akukho zimangaliso zingako kwizixhobo ezihlala zifuna ukuba kwi-intanethi. Ukucwangcisa oku kuthatha ixesha elide, kwaye iimpazamo zinokuphazamisa izinto, kodwa kwiinkqubo eziphambili, ukutshintshiselana kuyafaneleka.

Kwiinethiwekhi ezitshintshatshintshayo, ii-IP ezingashukumiyo zinokudida abasebenzisi ukuba izixhobo ziyazulazula okanye ukuba umntu uqhagamshela i-router yasekhaya enoqwalaselo lwayo olungashukumiyo. Oku kunokukhokelela ekungqubaneni okanye ekuqhagamshelweni okuwileyo. Inkonzo ye-DHCP ecwangcisiweyo kakuhle iyayiphepha le micimbi, kodwa isafuna ulawulo olucokisekileyo. Ukuba neeseva ezimbini ze-DHCP kunokudida izixhobo ukuba azihambelani, nto leyo eyenza ukuhlanganiswa kweseva ye-DHCP esebenzayo kube yimfuneko.

Ukukhusela iSeva yakho yeDHCP

Iseva ye-DHCP iqesha iidilesi ze-IP eziguqukayo kunye noqwalaselo kwizixhobo, zisebenza ngokuzolileyo ngasemva. Ukuba ayivezwanga okanye ayikhuselekanga, indima yeseva ye-DHCP inokuba yindawo ethambileyo kwinethiwekhi. Ukukhusela inkonzo ye-DHCP kuthintela abangeneleli ekubambeni ukufikelela okanye ukwenza umonakalo ngolwabiwo lweedilesi ze-IP. Izisongelo ziqala kwiiseva ezikhohlakeleyo ukuya kuhlaselo olutya idilesi. Ngokujonga iseva, ukunikela ingqalelo ngakumbi kwiilog, kunye nokusebenzisa iindlela ezilungileyo, uya kuqinisekisa ukuba inethiwekhi ihlala izinzile kwaye ikhuselekile.

• Soloko ulungiselela iiseva ezimbini ze-DHCP ukuze zibe yi-backup kwaye zabelane ngokulayisha.

• Vala ii-port zenethiwekhi ukuze umise ithrafikhi ye-DHCP engagunyaziswanga.

• Sebenzisa umgaqo-nkqubo we-AD kunye neqela ukuze uhlole abasebenzisi kwaye ukhusele ukungena

• Gunyazisa iiseva ze-DHCP kwi-AD ukuze zingangeni ezingaziwayo.

• Jonga ithrafikhi engaqhelekanga ye-DHCP kwaye ujonge iilog rhoqo.

• Sebenzisa amaxesha amade okuqeshisa ukuze unciphise i-server kwaye uthintele iingxaki zenethiwekhi.

• Sebenzisa iWindows PowerShell, i-DHCP console, okanye iWindows Admin Center ukuze ulawule kwaye wongamele.

• Jonga kabini useto lwe-scope ukuze uphephe ukudibana kweedilesi ze-IP.

• Hlaziya rhoqo isoftware yeseva kwaye ulungise imingxunya eyaziwayo.

• Hlola izenzo zeseva kwaye usete izilumkiso zokuziphatha okungaqhelekanga.

Iiseva zeRogue

Iiseva ze-DHCP ezingasebenzi kakuhle, ezilungiselelwe ngaphandle kwemvume, zinokungena kwinethiwekhi zize ziphazamise ukuseta kwe-DHCP ngokususa uqwalaselo lwenethiwekhi olungachanekanga okanye ulwazi olubiweyo. Ezi nkonzo ze-DHCP ezingagunyaziswanga zihlala zikhokelela kwizixhobo ukuba zifumane idilesi ye-IP engalunganga, ziphule uqhagamshelo okanye, okubi ngakumbi, zivule iingcango zohlaselo. Ingozi iyinyani—ukungqubana kwe-IP, ukuchitheka kolwazi, kunye nokuxinana kwenethiwekhi kunokubangela. Ukubamba iiseva ezingasebenzi kakuhle kwangethuba kubalulekile, kwaye izixhobo zenethiwekhi zinokuskena ezi zisongelo ngelixa ukhuseleko lwezibuko lunokunceda ukuvalelwa kwiindawo apho izixhobo ezintsha zinokuzama ukunxibelelana khona.

Uhlaselo lweNdlala

Uhlaselo lwendlala lwe-DHCP luzalisa indima yeseva ye-DHCP ngezicelo zobuxoki, luyigubungela ngeefowuni ezininzi kangangokuba akukho zidilesi ze-IP ezikhoyo ezishiyelwa abasebenzisi abasemthethweni. Le meko inokubangela ukuba inethiwekhi iguqe. Ukubeka umda kwinani lee-IP isixhobo esinye esinokuzifumana kuyanceda. Ukunciphisa uluhlu lweedilesi zakho, ukubeka imida yokuqeshisa, kunye nokusebenzisa izixhobo ukuchonga ukuqhuma kwetrafikhi konke kuyanceda. Ukubeka iliso kwinkonzo ye-DHCP malunga nokunyuka kokusetyenziswa okanye iipatheni ezingaqhelekanga kunokulumkisa abaphathi ngaphambi kokuba bafumane ezimbalwa.

Ukutyibiliza

Ukuskena kwe-DHCP luphawu lokhuseleko oludityaniswe kwiiswitshi ezininzi oluphucula iinkonzo ze-DHCP ngokuhlola yonke imiyalezo ye-DHCP kwaye lwamkele kuphela ezo zivela kwiizibuko ezikhuselekileyo. Ngokuchaza ukuba zeziphi iizibuko ezinokunxibelelana nendima yeseva ye-DHCP, ukuskena kususa izixhobo zomgunyathi. Kuthintela ngokufanelekileyo iiseva ze-DHCP ezingasebenzi kakuhle ekusasazeni iidilesi eziyingozi, ngaloo ndlela kugcina ukuthembeka kwenethiwekhi. Xa iqhotyoshelwe kwinethiwekhi, ukuskena akuthinteli nje kuphela ukuhlaselwa kodwa kubhala neempawu ukunceda abaphathi ukuba babuyele umva iingxaki.

Uqwalaselo lwe-DHCP oluPhambili

Uqwalaselo oluphambili lwe-DHCP, kuquka ukuseta i-DHCP enamandla, luvumela abalawuli benethiwekhi ukuba benze okungaphezulu kokwabela iidilesi ze-IP. Ezi mpawu zinceda ukugcina iinethiwekhi zizinzile, zikhawuleza, kwaye zilungele nantoni na. Ngeenketho ezongezelelweyo ze-DHCP, abalawuli banokuphucula uqhagamshelo lwesixhobo, basebenzise amanyathelo okhuseleko, kwaye balawule ngokulula iinethiwekhi ezinkulu nezintsonkothileyo. Kukwazi ezi zixhobo ziphambili ezenza umahluko, ingakumbi xa ixesha lokuphumla kwenethiwekhi kunye nokuthembeka kubaluleke kakhulu.

Ukubhukisha

Ukubhukisha kwe-DHCP kubopha idilesi ye-MAC yesixhobo kwi-IP engashukumiyo, ngoko ke nanini na xa iqhagamshela ifumana idilesi efanayo. Oku kubalulekile kwiiseva, iiprinta, okanye ezinye izixhobo ezifuna indawo efanayo kwinethiwekhi.

Ngokusebenzisa ukubhukisha izixhobo ezibalulekileyo, ususa ukuqagela kwaye ugcine izinto zicula. Umzekelo, ukuba iprinta yenethiwekhi ihlala ikwidilesi enye, abasebenzisi banokuyifumana ngalo lonke ixesha. Kubaphathi, oku kuthetha ukuba ayisombululi iingxaki ezininzi.

Ukuseta ukubhukisha kulula: yongeza nje idilesi ye-MAC yesixhobo kwaye ukhethe i-IP oyifunayo kwizicwangciso zeseva ye-DHCP. Uninzi lwezixhobo zenethiwekhi zenza oku kube lula, kwaye yinto encinci esindisa iintloko ezinkulu kamva.

Izinto ezingabandakanywanga

Izinto ezingabandakanywanga ziibhloko nje zeedilesi ze-IP ezisetyenziswa yi-DHCP. Zithintela iseva ekusasazeni iidilesi ezisetyenziswa kwenye indawo, njengezo zisetwe ngesandla kwiiseva okanye kwii-routers.

Ukuba sele unike isixhobo i-IP engashukumiyo, awufuni ukuba i-DHCP inike omnye umntu loo ndawo. Kulapho ke ukungabandakanywa kuyakhula khona. Zithintela iinethiwekhi kwizixhobo ezibini eziphikisanayo kwidilesi enye.

Indlela yokuseta izinto ezingabandakanywanga – uzidwelisa nje kwizicwangciso zeseva yeDHCP njengee-IP okanye ii-ranges. Oku kulula ukuba udibanisa ii-IP ezimileyo kunye ne-DHCP kwinethiwekhi efanayo. Masithi iiseva zakho zithatha ukusuka kwi-192.168.1.10 – .20, ukhupha nje loo bhloko.

Ukungaphumeleli

Ukusilela kwe-DHCP kuxa iiseva ezimbini zisebenzisana ukuze ziqhubeke nokusasaza iidilesi, nokuba enye yazo ayiphumeleli. Oku kubalulekile kwiinethiwekhi ezibalulekileyo zomsebenzi.

Ukusilela kuthetha ukuba inethiwekhi yakho iyaqhubeka nokusebenza, nokuba ngexesha lokuphuculwa okanye ixesha lokungasebenzi. Vavanya ukuseta kwakho. Qinisekisa ukuba iiseva ezimbini ziyaphindaphinda kwaye ziyasilela njengoko kulindelekile.

Ukuhlanganiswa kwe-DNS

I-DHCP kunye ne-DNS zinokucwangciswa ukuze zihlaziye amagama ezixhobo kunye needilesi ngendlela eguquguqukayo. Oku kugcina yonke into ihambelana nabasebenzisi kunye nabaphathi.

I-DHCP inokuhlaziya i-DNS nanini na xa isasaza idilesi, ukuze uhlale usazi ukuba yeyiphi idivayisi apho ikhoyo.

1. Yenza lula ulawulo ngokugcina iirekhodi ze-DNS zisebenza kutshanje.

2. Inciphisa uhlaziyo olwenziwe ngesandla, igcina ixesha kunye neempazamo.

3. Inceda ngokhuseleko kuba uhlala uyazi into enxulumene nayo.

4. Yenza ukusombulula iingxaki kube lula kuba amagama ezixhobo afana needilesi zazo.

I-DNS echanekileyo ithetha ukuba iingxaki azikho kwaye inethiwekhi isebenza kakuhle.

Ukusombulula iingxaki eziqhelekileyo

Iseva ye-DHCP inokwenza izinto zibe lula; nangona kunjalo, ungadibana neengxaki eziphazamisa inethiwekhi okanye zithintele izixhobo ukuba zingangeni kwi-intanethi. Uninzi lweengxaki zivela xa kukho into ephazamisa inkonzo ye-DHCP, nokuba yingxaki yokuseta, ingxaki yentambo, okanye i-network routing. Kwabaninzi bethu, uphawu lokuqala lwengxaki kukuba xa isixhobo singayifumani idilesi ye-IP okanye xa izixhobo ezimbini zilwela enye. Ezi ziingxaki, kodwa zinokusonjululwa ngendlela ehambelanayo kunye nomonde.

Okokuqala, qinisekisa ukuba iklayenti kunye neseva banokubonana ngokwenene. Kungaba ziintambo ezimbi, iiswitshi ezingafakwanga, okanye izixhobo ezivaliweyo. Akukho kulungiswa kuya kukusindisa ukuba iingcingo zivaliwe. Umzekelo, ukuba ilaptop ayiqhagamshelani, yifake kwizibuko elahlukileyo okanye usebenzise intambo esebenzayo eyaziwayo. Nje ukuba wazi ukuba ikhonkco elibonakalayo lilungile, jonga ukuba iklayenti kunye neseva zikwi-subnet efanayo. Abathengi abakwi-subnet enye bafuna i Iarhente yokudlulisa i-DHCP icwangciswe kwi-router, okanye abayifumani idilesi yabo ye-IP. Ii-router azithumeli usasazo olusetyenziswa yi-DHCP ngokuzenzekelayo, ngoko ke ukuba uyalishiya eli nyathelo, ezinye izixhobo aziyi kukhutshwa.

Iingxabano zeedilesi zezinye iindlela zokutsala. Ukuba izixhobo ezimbini zisebenzisa i-IP efanayo, akukho nanye kuzo eyosebenza kakuhle. Oku kunokwenzeka ukuba umntu useta ngesandla i-IP engashukumiyo edibana ne-pool okanye ukuba indima yeseva ye-DHCP ayihambelani. Jonga iilog ze-DHCP ukuze ufumane izikhokelo — ezi rekhodi zibalulekile xa uzama ukubona ukuba kwenzeke ntoni kwaye nini. Baza kukuxelela ukuba isicelo singenile na, nokuba siphenduliwe na, kwaye ukuba bekukho naziphi na iimpazamo, ngoko ke kulungile ukuzijonga rhoqo.

Ukuqonda imeko ye-dhcp—Ukuqalisa, Ukucela, Ukubophelela, Ukuhlaziya, Ukuphinda ubambe—kunokukunceda ekuchongeni apho ziqhekeka khona. Ukuba zixhomekeke ku-“Ukucela,” mhlawumbi une-network block okanye iseva icotha kakhulu. Ukuqalisa kwe-PXE kunokukhubeka kwi-DHCP, ngakumbi kwiiofisi apho oomatshini bazama ukuqala kwi-network kwaye bazalise iseva ngezicelo ezingafunekiyo.

Ukuze kube lula ukulawula, yahlulahlula ii-subnet ngee-sub-interfaces ukuqinisekisa ukuba isixhobo ngasinye sifumana idilesi efanelekileyo. Landela indlela engcono yokwenza, gcina ii-log zakho, ujonge kwakhona useto lwakho, kwaye ukuba uyathandabuza, soloko uvavanya ngesixhobo esitsha.

Isiphelo

Ezi zinto zincinci zigcina izinto zihamba kakuhle kuyo nayiphi na inethiwekhi. Akukho mfuneko yokumisela isixhobo ngasinye ngesandla—i-DHCP iyenza ngokukhawuleza kwaye ingenangxaki. Ukususela ekubambeni ngesandla kokuqala ukuya ekucoceni amaqhuma endleleni, igcina wonke umntu eqhagamshelwe. Amanyathelo okhuseleko aqinileyo kunye nokulungiswa okukrelekrele kuqhuba i-DHCP nangakumbi. Khawuthelekelele isikolo esinamakhulu eelaptops okanye isibhedlele esinezixhobo ezintsha veki nganye—i-DHCP igcina le ngxaki iphantsi kolawulo. Nabani na angenza inethiwekhi yakhe isebenze ngokufunda ezi ziseko kunye namaqhinga. Ngaba ufuna ukugcina uluntu lwakho lukhawuleza kwaye lukhuselekile? Fumanisa, uzame kwaye ugcine lunomdla. Iinethiwekhi ziyaguquka ngokukhawuleza. Lungela, kwaye uqwalaselo lwakho luya kuhlala lusebenza, akukho ngxaki.

Imibuzo ebuzwa qho

Yintoni eyenziwa yiseva ye-DHCP?

Useto lwe-DHCP oluguquguqukayo luvumela iseva ye-DHCP ukuba inike iidilesi ze-IP ngokuzenzekelayo, inceda izixhobo zabathengi ukuba ziqhagamshele ngaphandle koqwalaselo lwesandla.

I-DHCP yahluke njani kwisabelo se-IP esingaguqukiyo?

I-Dynamic DHCP izenzekela ngokuzenzakalelayo ukwabiwa kweedilesi ze-IP, okwenza kube lula kwaye kukhawuleze kwiinethiwekhi ezinkulu ngelixa inciphisa iimpazamo zabantu xa kuthelekiswa noqwalaselo lwe-IP olungaguqukiyo.

Ziziphi izinto eziphambili ze-DHCP?

Abadlali abaphambili kwiinkonzo zeDHCP yiseva ye-DHCP eguqukayo, abathengi be-DHCP, kunye nee-DHCP leases. Iseva ye-DHCP ilawula ukwabiwa kweedilesi ze-IP, ngelixa abathengi becela iidilesi ze-IP eziguqukayo, kwaye ii-leases zichaza ubude bokusetyenziswa.

Kutheni ukhuseleko lwe-DHCP lubalulekile?

Ukukhusela iinkonzo ze-DHCP kuthintela izixhobo ezingasebenzi kakuhle ukuba zingaqhagamshelani nenethiwekhi yakho kwaye kukhusela kwiintlaselo ezinje ngokuphangwa kwe-IP, ukuqinisekisa ukunikezelwa kwedilesi ye-IP ezinzileyo kunye nenethiwekhi ekhuselekileyo.

Ngaba i-DHCP ingasebenza ne-IPv4 kunye ne-IPv6?

Ewe, kukho i-DHCP ye-IPv4 (DHCPv4) kunye ne-IPv6 (DHCPv6), ezenzela ngokuzenzekelayo inkqubo yokwabiwa kweedilesi ze-IP, nto leyo eyenza ukuseta izixhobo kuyo nayiphi na inethiwekhi kube lula.

Ndingazilungisa njani iingxaki eziqhelekileyo ze-DHCP?

Qinisekisa iintambo zenethiwekhi, qinisekisa ukuba iseva ye-DHCP isebenza ngokuchanekileyo, kwaye iinketho ze-DHCP zisetwe ngokufanelekileyo. Ukuqalisa kwakhona iseva okanye isixhobo somthengi kudla ngokusombulula uninzi lweengxaki.

Zithini ii-DHCP configurations eziphambili?

Uqwalaselo oluphambili olufana nokuseta ukubhukisha izixhobo ezithile, ukumisela ii-scopes ezininzi, kunye nokusebenzisa i-arhente ye-DHCP relay kwiinethiwekhi ze-subnet ezininzi kubalulekile.