Compare IPv6 address types

Question 1

IPv6 Unicast Addresses

Answer 1

Is a single interface

n bits for the prefix and 128 - n bits for interface ID

Packet only goes to the one interface

Types:

Global Unicast

Link-Local

Loopback

Unspecified address

Question 2

IPv6 Global Unicast

Answer 2

Is Unicast Address

Unique IPv6 address assigned to a host interface

Have a global scope - same as IPv4 public IP

Routable on the internet

Question 3

Link-Local IPv6 Address

Answer 3

Is Unicast Address

IPv6 address that allows communication btw neighboring hosts on same local link

Are local and cannot be used outside the local link

Always have prefix FE80::/10

Question 4

Loopback IPv6

Answer 4

Is Unicast Address

Used on loopbacks

0:0:0:0:0:0:0:1 OR ::1/128

Question 5

Unspecified IPv6

Answer 5

Is a unicast address

Is 0:0:0:0:0:0:0:0 OR ::/128

Question 6

IPv6 Multicast Addresses

Answer 6

Interfaces that belong to different nodes

Broadcasts to all packet interfaces indentified with that address