11.října 2004

PC a internet Rezervované IP adresy

IP adresy se dělí na veřejné, soukromé a rezervované.

Soukromé (privátní) IP adresy jsou v RFC 1918 rezervovány tímto rozsahem:

OdDoPočet bitů masky
10.0.0.0 10.255.255.2558
172.16.0.0172.31.255.25512
192.168.0.0192.168.255.25516

APIPA

APIPA je automaticky vygenerované IP adresa, kterou si počítač přiřadí, pokud nemá implicitně žádnou definovanou a DHCP server není dostupný. Má definován tento rozsah adres:

OdDoPočet bitů masky
169.254.0.1169.254.255.25416

Jak zakázat APIPA

Zakázat přidělování APIPA lze v registry ve stromu:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters

vytvoříte novou hodnotu typu DWORD (pozor, registry jsou Case-Sensitive, takže dodržovat velká a malá písmena):

IPAutoconfigurationEnabled=0

MULTICAST

Multicast slouží pro hromadné rozesílání na jednoho a více příjemců. (Fungují tak např. internetová rádia.) Má definován tento rozsah adres:

OdDoPočet bitů masky
224.0.0.1234.255.255.2548

Rozdělování IP adres má na starosti společnost IANA


Hledáte-li správce sítě nebo prostě nekoho kdo umí spravovat servery, hledejte na www.petr-hladis.cz

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