dhcpcd-discuss

>> Renumbering is not as smooth -- it appears to be impossible to
>> remove a set of addresses wholesale, retracting a set of PIOs merely
>> causes the old addresses to become deprecated

> You don't remove the address from the RA, you set it's valid and
> preferred lifetimes to 0.
> This has the effect of removing the address from the client.

Hmm, that's not what I've seen.  I'm probably doing something wrong, I'll
check my code.

>> The situation with DHCPv4 is not as satisfactory.  It is not possible to
>> force the clients to either pick a different default router or to renew
>> their lease (FORCERENEW is not useful).

> Why is FORCERENEW not useful?

Needs authentication.

> If you're thinking of authentication, there is
> https://tools.ietf.org/html/rfc6704 which dhcpcd supports to make this
> much easier.

Thanks, I'll have a look.

-- Juliusz