
Configuring IPv6 Services
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In stateful autoconfiguration, the host contacts a DHCP or similar address server,
which assigns an address from a manually administered list.
In stateless autoconfiguration, a host can automatically configure its own IPv6
address without the help of a stateful address server. The host uses the globally
valid address prefix information in the router advertisement message to create its
own IPv6 address. The host concatenates the valid prefix with its link layer
address (or a similar unique token) to create an IPv6 address.
RIPv6
RIPv6 -- the Routing Information Protocol for IPv6 -- is a distance-vector
protocol that enables IPv6 routers in the same autonomous system to exchange
routing information by means of periodic RIP updates. Routers transmit their own
RIPv6 updates to neighboring networks and listen for RIPv6 updates from the
routers on those neighboring networks. Routers use the information in the RIPv6
updates to keep their internal routing tables current. For RIPv6, the “best” path to
a destination is the shortest path (the path with the fewest hops). RIPv6 computes
distance as a metric, usually the number of hops (or routers) from the origin
network to the target network.
RIPv6 is described in Cha
pter 4.
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