Re: IPV4 to IPv6 migration

* Gert Doering wrote:
> And this is actually where IPv6 could make renumbering a lot easier, as
> IPv6 hosts are expected to cope with multiple addresses in parallel.

Renumbering the LAN hosts is the most simple action. Changing a lot of
firewalls, dns registrar entries, remote access-list for extranets, customer
VPNs, and reorder licences is the hard part.

> So it's not "renumber *now*", but "add new prefix, wait a few days,
> deprecate old prefix, wait a few days, remove old prefix".  Which should
> be far less disruptive.

Set up a secondary address on the LAN router and change DHCP. Wait a few
days and replace the primary address of the router by the secondary.
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