Maɓallin Subnet Definition da Misalan
Abubuwan da ke cikin mashigin intanet shine adreshin IP- kamar ƙaddamar da ƙaddamar da ƙaddamarwa wanda kwamfutarka ko wani nau'in cibiyar sadarwa yake. Yana da lambar 32-bit da ta raba adireshin IP cikin ɓangarorinsa biyu: adireshin cibiyar sadarwa da adireshin mai masauki.
A mashin subnet (wanda ake kira netmask), to, an tsara shi kamar wannan:
An halicci mashin subnet ta hanyar kafa dukkanin ragowar cibiyar sadarwa zuwa 1s da kuma karbar bakunansu zuwa 0s. Cibiyar sadarwa tana ajiye adiresoshin biyu waɗanda ba za a iya sanya su ga runduna ba, kuma waɗannan sun haɗa da 0 ga adireshin cibiyar sadarwa da 255 don adireshin watsa labarai.
Masarragar Subnet Misalan
Waɗannan su ne netmasks da aka yi amfani da Class A (16-bit), Class B (16-bit), da kuma Kwayoyin C (24-bit):
- Cibiyar Aiki na Class A tallafawa runduna 16,777,216 kuma suna da mashin masallaci na 255.0.0.0.
- Kwayoyin B na B na da mashin subnet na 255.255.0.0 kuma kawai suna da 65,534 na IP.
- Yawancin cibiyoyin gida sune Class C, wanda aka sanya ta mask din subnet na 255.255.255.0. Wannan girman cibiyar sadarwar zai iya ƙunsar har zuwa na'urorin IP 256, yalwa da ɗaki ga kowane gida ko ƙananan gida.
Yi la'akari da adireshin IP 128.71.216.118. Idan muka ɗauka yana da adireshin B na B, lambobin farko na farko (128.71) suna bayanin adireshin cibiyar sadarwa na B a yayin da na ƙarshe (216.118) suka gane adireshin mai masauki.
Dubi ƙarin game da mashin subnet a cikin Subnet Masks da kuma Subnetting tutorial.