Cibiyar sadarwa mask calclulator

Cibiyar sadarwa mask kalkuleta ne a sabis na cibiyar sadarwa amfani da yin lissafi cibiyar sadarwa mask da subnet kewayon. A subnet mask ne inji amfani da raba wani cibiyar sadarwa cikin subnetworks; shi za a iya amfani da su rage zirga-zirga a kan kowane subnetwork ta yi ƙunci zirga-zirga zuwa kawai subnetwork(s) wanda shi ne aka yi nufi, sa'an nan kawar da al'amurran da suka shafi na hade cunkoso a kan sauran subnetwork(s) da kuma rage cunkoso a cikin cibiyar sadarwa a matsayin dukan. Kowane subnet ayyuka kamar yadda dã ya kasance m, kiyayye zirga-zirga gida da kuma isar da zirga-zirga zuwa wani subnetwork kawai idan adireshin da data ne waje da subnetwork.

Subnetting wani IP cibiyar sadarwa damar domin kwarara daga cibiyar sadarwa da zirga-zirga da za a nuna wa mata banbanci bisa wani cibiyar sadarwa sanyi. Yana da gaske shirya da rundunõninsa a cikin ma'ana kungiyoyin, da kuma bayar da ga inganta cibiyar sadarwa tsaro da kuma yi. Mafi na kowa dalilin subnetting IP networks ne don sarrafa cibiyar sadarwa da zirga-zirga.

A bisa ga al'ada, a wani Ethernet cibiyar sadarwa, yana da matukar kowa ga dukkan nodes a kan wani sashi don ganin duk fakitoci daukar kwayar cutar ta hanyar duk sauran nodes a kan cewa kashi, wanda ya gabatar da collisions, da kuma sakamakonsa retransmissions karkashin Cunkoso lodi. Domin ƙarin bayani a kan subnetting, ganin RFC 1817, kuma RFC 1812.

Kalkuleta lissafi da subnet mask don amfani, ba wani TCP / IP cibiyar sadarwa adireshin da yawan subnets ko nodes da subnet ake bukata. Don ƙirƙirar subnet mask, farko tuna cewa manufar da subnet mask ne ka raba da (32 bit) Adireshin IP a cikin cibiyar sadarwa prefix da rundunar yawan. Idan wani bit a cikin subnet mask ne 1, da m bit a cikin IP address ne wani ɓangare na cibiyar sadarwa adireshin; idan bit a cikin subnet mask ne 0, da m bit a cikin IP address ne wani ɓangare daga cikin rundunar adireshin.


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