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Networking-05: IPv6 (Transition to IPv6 (Issues with NAT, Internet of…
Networking-05: IPv6
Transition to IPv6
Issues with NAT
Internet of Things (IoT)
Limited IPv4 address space
IPv6 Addressing
Technique for migration from IPv4 to IPv6
Tunneling
Translation
Dual Stack
Types of IPv6 addressing
Multicast
Assigned Multicast
All-routers multicast group
All-nodes multicast group
Solicited-node Multicast
Anycast
Unicast
Loopback
Unspecified address
Link-local
Unique local
Global unicast
Stateless Address Auto Configuration (SLAAC)
Obtain info from router
Prefix length
Default gateway address
Prefix
#
Steps
Device send RS to router using all-router multicast group address
#
#
Router respond with RA containing info
#
EUI-64
Address
Subnet ID
Interface ID
Global routing prefix
Embedded IPv4
Characteristics
Represented with hex values
4 bit = 1 hex
Total 32 hex digits
Use prefix length to indicate network portion
128-bit address space
ICMPv6
Neighbor Discovery Protocol
Router Advertisement (RA) message
Neighbor Solicitation (NS) message
Address resolution
Router Solicitation (RS) message
Neighbor Advertisement (NA) message
Duplicate address detection