IPv6 Neighbor Discovery

IPv6 Neighbor Discovery

• What is the "host auto configuration"?

In IPv6 a host can automatically great a local (link-local) address and a world-wide (global) address

• Which ICMPv6 types are used for neighbour discovery?

135 Neighbour Solicitation
136 Neighbour Advertisement

• What is a "tentative address" and what is it used for?

The address is in the process of being verified as unique. Verification occurs through duplicate address detection. The Router Advertisement message specifies the period of time that an address can remain in this state. 

• Which kind of IPv6-address is "FF02::1"?

It´s the Multicast address.

• Which steps are necessary before two hosts can exchange messages? 

First Host A has to send out a multicast message an icmp6 value of 135.
Then Host B answers with a neighbour advertisement of the icmpv6 value of 136