ULA prefix lifetime

Michael Richardson mcr at sandelman.ca
Thu Nov 21 13:01:13 PST 2024


Michael Richardson <mcr at sandelman.ca> wrote:
    > chriss <chriss-lists at posteo.mx> wrote:
    >> I happens that I have to reconnect my VDSL (update of router, tripped over
    >> cable, whatever) - with that I get a new IPv6 prefix delegated. Now my
    >> clients have 2 prefixes/addresses. The old one (before the router

    > :-(
    > {Your ISP should avoid that kind of thing; IPv6 being plentiful there is no
    > reason not to just statically allocate them all into the (radius) database,
    > and just renumber people when there are major re-balancing.}

DHCPv6-PD lets the client say if they want new things, or they want to renew
what's there.   So ISPs and regulators can comply to the end-user's wish.
(Co-author of DHCPv6 RFC)

Regardless, as was said, RFC9096 is how it should be done, and we don't do
that well, and this is the direction we need to go in.

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