Wido den Hollander af9fefc6b4 ipv6: Calculate IPv6 address instead of fetching one from a pool (#3077)
With IPv6 we are not using DHCP to allocate addresses, but using
StateLess Address Auto Configuration (SLAAC) a Instance will calculate
it's own address based on the Router Advertisements send out by the
routers in the network.

This Advertisement contains the IPv6 Subnet in use in that subnet and
allows to calculate the stable Address the Instance will obtain based
on it's MAC Address.

The existing code is 'dead code' as it has been written, but was never
used by any production code.

SLAAC only works properly with subnets of exactly 64-bits large.

Signed-off-by: Wido den Hollander <wido@widodh.nl>
2019-01-16 16:49:02 -02:00
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