6. CCNA IPv6.1.00.pdf - Internet Protocol Version 6(IPv6 1...

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1 I n t erne t Pr otoco l Versi o n 6 ( I Pv6)
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2 Why IPv6? Main motivation for IPv6 is lack of IPv4 address space IPv4 uses 32-bits – 2 32 = 4,294,967,296 max addresses IPv6 uses 128-bits – 2 128 = 34,028,236,692,938,463,463,374,607,431,770,00 0,000+ IPv4 vs. IPv6 Addressing Format IPv4 Dotted Decimal – 1.2.3.4 – Each place denotes 1 byte IPv6 Hexadecimal – XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX – Two characters = one byte
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