Abokin cinikinka yana haɗawa ya nuna adireshi biyu, ko adireshi ɗaya da ke ɗauke da 255.255.255.255 mask, kuma amsa ta farko ita ce uwar garke ya bayar da wani abu da ya lalace. Babu abin da ya lalace: ƙofar rami hanya ce ta aya-zuwa-aya, kuma mask ɗin yana bayyana wancan gefen nesa na wannan hanya ɗaya, ba jerin maƙwabta ba. Karanta adireshin biyun a matsayin na gida da na abokin tarayya yana bayyana mask ɗin ban mamaki, hanyar mai masauki ɗaya da ke gefensa da teburin maƙwabta da ba ya nan. Abin da wannan karatun bai ba da uzuri ba shi ne tsarin adireshi da ya mamaye cibiyar sadarwar ofis.

Me ya sa mask ɗin yake kama da ba daidai ba a hanyar rami

A ƙofar Ethernet, adireshi da mask suna faɗin abubuwa biyu: wannan mai masaukin ya mallaki adireshin, kuma duk abin da ke cikin farkon yanki maƙwabci ne kai tsaye. Kwakwalwar kwamfuta tana fitar da hanya a kan hanyar daga waɗannan gaskiyar biyu sannan ta warware adireshin hanyar ga maƙwabtan da ta yi tsammanin suna nan. Ƙofar aya-zuwa-aya tana riƙe da mallaka kuma tana watsi da maƙwabta, don haka adireshi na biyu a layin abokin ciniki shine gefen nesa ba wani mai masauki a wani yanki da aka raba ba. Babu adireshin kayan aiki, babu zirga-zirgar warwarewa kuma babu yankin watsa da za a shiga, shi ya sa ƙofar take yi kamar bututu mai manufa ɗaya daidai.

Shi ya sa kuma hanyar mai masauki ɗaya kusa da faffadan mask ta zama ta al’ada a nan ba alama ta rashin lafiya ba. Isarwa a wannan hanyar tana nufin adireshi ɗaya, kuma kwakwalwar kwamfuta tana rubuta daidai hakan. Karanta adireshin biyun tare kafin ka yanke shawarar cewa tsarin ba daidai ba ne, domin kowanne shi kaɗai yana kama da kuskure.

Topology biyu, sifofin adireshi biyu

Tsohuwar topology ta aya-zuwa-aya tana ba kowane abokin ciniki ƙaramin rukuni kuma tana amfani da adireshin tsakiya biyu, don haka mask ɗin yana kama da guntun cibiyar sadarwa ba tanki ba. Topology ta subnet tana ba da adireshi daga tankin da mask ɗin tankin kuma tana kiran adireshin ramin uwar garke abokin tarayya. Dukansu suna samar da hanya mai inganci, kuma sun bambanta ne kawai a cikin waɗanne adireshi suka bayyana a cikin bayanan martaba da kuma mask ɗin da mai amfani zai iya yin tambaya a kansa.

TopologyClient address shapePeerRoute to expect
Point-to-point block per clientTwo neighbouring addresses inside a small blockThe far address of that blockA single host route on the tunnel device
Shared poolOne address carrying the pool maskThe server's tunnel addressA single host route on the tunnel device

Ko wane layi ya dace da abokin cinikinka, karanta abokin tarayya da farko, domin yana kiran gefen nesa kuma saboda haka yana bayyana mask ɗin. Bayanan martaba da aka kwafa tsakanin uwar garke da suke amfani da topology daban-daban zai nuna siffar da ba daidai ba don sabon gidansa, kuma ana saurin ɗaukar wannan rashin daidaituwa a matsayin kuskuren uwar garke.

Lokacin da tanki da cibiyar sadarwar ofis suka nemi guda ɗaya

Domin hanyar tana da hanya, tankin yana buƙatar farkon yanki da ba ya bayyana a ko’ina cikin cibiyoyin sadarwar da uwar garke zai iya isa. Raba ɗaya kuma abokin ciniki yana riƙe da hanya ɗaya don yanki da ke nufin wurare biyu, kuma hanyar da aka shigar da ita ƙarshe ita ce ke yanke shawarar wane wuri zai yi nasara. Rashin lafiyar yana bayyana a kan abokin ciniki ko da yake shawarar da ke bayanta ta tsarin adireshi ce. Abin da masu amfani ke rahoto shi ne cewa na’urar tuƙi ta gida tana ɓacewa lokacin da ramin ya tashi, ko kuma wasu masaukai na ofis ne kawai ke amsawa.

Farkon yankuna da kawai suke kama da juna wani yanayi ne daban, kuma kwatanta oktet da ido ba kwatancen farkon yanki ba ne. Rubuta duka biyu ka ƙidaya bit ɗin da aka rufe: 192.168.4.0/24 daura da 192.168.6.0/24 suna daidaitawa har zuwa bit 22 kuma sun bambanta a bit 23, domin ana karanta oktet na uku a matsayin 00000100 daura da 00000110, don haka waɗannan cibiyoyin sadarwa biyu sun rabu da gaske. Sanya 10.8.0.0/24 kusa da wani 10.8.0.0/24 kuma duk bit 24 ɗin da aka rufe sun daidaita, wanda ke nufin hanya ɗaya ba za ta iya bayyana wuraren biyu ba. Tsawon mask ɗin yana yanke shawarar inda kwatancen zai tsaya, kuma cibiyar sadarwar da aka shigar da ita ta biyu ita ce ke shan kashi.

Abin da hanyar da aka yi wa tuƙi ba za ta iya bayarwa ba

Watsawa da watsawa da yawa ba sa wucewa ta hanyar da aka yi wa tuƙi, kuma an gina wasu sanannun fasalulluka a kansu. Jerin bincike, sanarwar suna da gano sabis duk suna ɗaukan yanki da aka raba, don haka uwar garken fayil na iya amsa kowace buƙata ta adireshi kuma duk da haka ba zai taɓa bayyana a jerin ba. Warware sunan da ya dogara da watsawa ta gida na hanyar yana gazawa saboda wannan dalili, kuma babu gyaran bayanan martaba da zai canza abin da ramin zai iya ɗauka. Ko hakan yana da muhimmanci tambaya ce ta buƙatu ba ta tuƙi ba.

Abokin ciniki da ke buƙatar waɗannan isarwa da gaske yana buƙatar ƙofar gada, wadda ke ɗauke da firam ɗin Ethernet kuma saboda haka tana riƙe da yankin watsawa. Farashin shi ne hanya mafi hayaniya, asarar adireshin tsafta da aka bayyana a sama, da kuma faɗin gazawa mafi girma da zarar an sami madaukai. Ka ba da hujjar buƙatar kafin canzawa, kuma ka fifita sabis ɗin suna da ke aiki a kan hanyoyin da aka yi wa tuƙi lokacin da buƙatar ta shafi sunaye kawai.

Karanta ƙofar kafin gyara bayanan martaba

Tambayi kwakwalwar kwamfuta abin da ta shigar, ba abin da bayanan martaba suke kama da faɗi ba. Fitowar adireshi tana nuna abokin tarayya da ke bayyana mask ɗin, kuma fitowar hanyoyi tana nuna ko akwai hanya zuwa gare shi. Gudanar da duka biyu a kan na’urar ramin yana ɗaukar ɗan lokaci kuma yana warware tambayar.

ip -4 addr show dev tun0
ip route show dev tun0
ip route get 10.8.0.1

Idan waɗannan uku sun daidaita, bayanan martaba suna yin abin da aka saita su yi, kuma sauran matsalar tana wani wuri. Canza topology ne kawai saboda dalilin da ya ambaci iyawar da ba ta nan, domin mask ɗin da ba a sani ba ba haka ba ne.

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