Posts Tagged ‘Ipv6 VLSM’

IPv6 Subnetting

Posted: February 21, 2014 in IPv6
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An Ipv6 address is written using 8 nibbles each nibble consisting of 4 hexadecimal digits each digit having 4 bits resulting 128 bits for an ipv6 address

Ipv6 addresses are unicast , multicast and anycast

Traditionally an ipv6 address consisted of 64 bits for the network id and 64 bits for the host id .

eg Having 2001:DA:3D::/48 we borrow 4 bits to obtain 16 networks (2^4) which will result in /52 network ids

2001:DA:3D:0000::/48

0000 (in hex) = 0000 0000 0000 0000 (in binary)

and finally the networks will be :

2001:DA:3D:C000::/52

2001:DA:3D:1000::/52

2001:DA:3D:A000::/52

2001:DA:3D:F000::/52

2001:DA:3D:0000::/52

2001:DA:3D:D000::52