[dhcwg] Re: dhcpv4-over-dhcpv6-ra: source addrs / server I D

These are definitely important considerations…but for v4 to be available to the clients, router (likely also relay) would need an IPv4 address anyway. And, we have existing mechanisms such as server-id override (added to v4 dhcp request in option 82) that could be used should the clients not be able to directly communicate with the dhcp server itself.

- Bernie

> On Jul 24, 2024, at 8:01 PM, David 'equinox' Lamparter <[email protected]> wrote:
> 
> Hi all,
> 
> 
> after a quick read of draft-porfiri-dhc-dhcpv4-over-dhcpv6-ra-00, I have
> 2 things that are not "immediately obvious" to me:
> 
> - what IPv4 source address does the 4o6 relay use to forward replies
>  from the DHCP server to the legacy client? (P2 in the section 5
>  diagram)
> 
> - how does this interact with the DHCP (v4) Server Identifier option
>  (and related client behavior)?
> 
> Input appreciated,
> 
> 
> equi
> (David)
> 
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