IP version 6: Comtd..

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IP version 6:

Now the decimal value of these will have to be calculated as old method, i.e. on the basis of their place values. Here the place values in group of each 4 bits will be – 8 4 2 1, now we will have to add the place values of 1s in every group. This is shown as follows:

1100 0000 1010 1000 0000 0001 0100 1000

= 8+4 0 8+2 8 0 1 4 8

= 12 0 10 8 0 1 4 8

= C 0 A 8 0 1 4 8 (write A - F in place of 10 - 15)

OK, this is the desired hexadecimal number. We will have to write this in groups of 4:

C0A8 : 0148

And this hexadecimal number can be used in IPv6 format as follows:

0000 : 0000 : 0000 : 0000 : 0000 : 0000 : C0A8 : 0148

IP version 6: Contd..

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IP version 6

The way IPv6 has been configured; accordingly IPv4 address is easy to be converted into IPv6 address. For example, equivalent IPv6 address for IPv4 address 192.168.1.72, will be ::192.168.1.72.

IPv6 addresses are described in hexadecimal numbers also. The hexadecimal number has 16 numbers, viz: 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F (where A=10, B=11, C=12, D=13, E=14, F=15). The example of Hexadecimal notation is give hereunder:

59A2 : 2C13 : 5218 : 0000 : 0F84 : 0001 : EB9C : 1D57

We can easily change IPv4 decimal notation to hexadecimal notation. For this, first we will have to write IPv4 address in binary notation, as following:

11000000 10101000 0000001 01001000

Now instead of 8 bit group we will have to write these in group of 4 bits. This is as under:

1100 0000 1010 1000 0000 0001 0100 1000