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SLAAC and DHCPv6 - Coggle Diagram
SLAAC and DHCPv6
IPv6 GUA Assignment
IPv6 Host Configuration
manually configured using the ipv6
address ipv6-address/prefix-length interface configuration command
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Three RA Message Flags
A flag - The Address Autoconfiguration flag
signifies to use of Stateless Autoconfiguration (SLAAC) to create an Ipv6 GUA
O flag - The Other Configuration flag signifies
that additional information is available from a
stateless DHCPv6 server.
M flag - The Managed Address Configuration
flag signifies to use a stateful DHCPv6 server
to obtain an IPv6 GUA.
SLAAC
enables hosts to create their own unique IPv6 global
unicast address without the services of a DHCPv6 server
stateless service
no need server that maintains network
address information to know which IPv6 addresses are being used and which ones
are available.
can be deployed as SLAAC only, or SLAAC with DHCPv6.
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Stateless and Stateful
Stateful DHCpv6
Similar to DHCP for IPv4, assigns IPv6 addresses and other configuration parameters to devices.
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Stateless DHCPv6
Devices generate their own IPv6 addresses based on prefix information received through Router Advertisement (RA) messages
DHCPv6 is used for additional configuration parameters, not address assignment.
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DHCPv6 Router Role
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DHCPv6 Relay Agent - Router provides DHCPv6 forwarding services when the
client and the server are located on different networks.