IPV6 EXTENSION HEADERS
This section reviews the headers used by the IPv6 protocol.
The Concept
IPv6 is using two distinct types of headers: Main/Regular IPv6 Header and IPv6 Extension Headers. The main IPv6 header is equivalent to the basic IPv4 one despite some field differences that are the result of lessons learned from operating IPv4.
Here is a non-admin comment.
It has multiple lines, some
code, and a bit more text.