AI, ML, Development + Cisco Learning Blog Learning about Machine Learning, Artificial Intelligence, related devlopment topics and formerly Routing and Switching, Datacenter, Security and other topics, CCIE #23664, Frank Wagner

A device can have multiple adressess

• Unspecified/llpback/compatible-IPv4 address, ::0/96
• Mapped IPv4 addresses, ::ffff:0.0.0.0/96
• Reserved for NSAP Allocation (RFC 18888), 200::/7
• Reserved for IPS Allocation, 400::/7
• Link Local Address, fe80::/10
• Site Local Address, fec0::/10
• Global Unicast Address, 2000::/3
• similar to IPv$ address space.
• Local IPv& Unicast addresses (proposed), fc00::/7
• Multicast, ff00::/8

And can send one of these Packet Types

• Unicast
• Multicast
• Anycast

Header is 128 bits in comparision to 32 bit in IPv4.
Source:

http://www.ipv6tf.org

http://www.iana.org

http://www.iana.org/ipaddress/ip-addresses.htm