IPv6 has specific addressing requirements. In this section, we'll examine the last two fields, along with an overview of IPv6 address types:

• Source and destination address 128-bit: The source and destination addresses are 128-bit fields to accommodate the IPv6 address. Wireshark displays the address in hexadecimal numbers separated by colons, as opposed to dotted decimal notation, which is used in IPv4.

With IPv6, there are various address types, as opposed to classes. Let's now take a look at the different types you may encounter.