On Tue, Dec 13, 2022 at 4:58 PM John Lemonovich
<[email protected]> wrote:
>
> Thanks for the replies.  Yes David, it's also my understanding per the spec, 
> that the client's link-local address must be included for the solicit message.

Where does it say that in https://www.rfc-editor.org/rfc/rfc3315 ?

>  The reply from the server is unicast.  What do you mean by the proper IPv6 
> version of the script...to which script are you referring to?  Can you 
> possibly show an example?
>
> Just out of curiosity, has it ever been tested or known to work with a DHCPv6 
> server then?

I wrote the code based on IPv4. Couldn't test it.
Surprisingly, people reported that it did work on the first try
(with a number of bugs quickly discovered and hopefully fixed).

I have no doubt it still has obvious bugs due to limited exposure.

> I've tried with 3 different DHCP servers and they all seem to NOT want to 
> reply with a broadcast and are expecting to receive an address (e.g.: the 
> link local address) for a reply.  My windows machines and my Ubuntu/Cent-OS 
> machines are doing it this way - they are not sending all 0's for the source 
> address for their requests.

Here you mean "source address of the IPv6 packet", or some DHCPv6 option?

Can you tcpdump clients which do acquire a lease from these servers?
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