Re: Proposal: remove IPv6-only RA draft bits to adopt DHCP option (RFC 8925)

From: Pouria Mousavizadeh Tehrani <pouria_at_FreeBSD.org>
Date: Thu, 02 Apr 2026 18:58:37 UTC
Hi,

On 4/2/26 10:06 PM, Bjoern A. Zeeb wrote:
> Most of the above isn't actually historically right but so be it.

I read the mailing list to understand why the draft wasn't adopted.
That was my impression from an outsider's view.
Thank you for the clarification.

> That said, it did and does.
> People keep forgetting that FreeBSD is (was) (probably still?) the only 
> non-router OS
> shipping with a working SeND implementation (kernel + net-mgmt/send, 
> which I think
> got removed unfortunately), which can secure your RAs.
> 
> Certificates are hard, the world is still not there...
I don't understand it either.
I still believe SeND was enough for that and it's a better place for it.

> Please do.  The one drawback DHCPv4 has, on a pure IPv6-only machine you 
> cannot
> run DHCPv4 properly anymore to even handle those "dual-stack clients" 
> not wanting
> IPv4 anymore but the world will need another decade to get there...
Make sense.

> Related to your request:
> 
> I have a window open here with the SVN sequence of commits which happened
> as I wanted to remove this and the EXPERIMENTAL option some time before 16
> anyway.  I wanted to do so before 15 but it didn't happen anymore.
> 
> Do you want me to do it myself or do you want to do it and just put me 
> on review?
> If the latter please try to catch it all in one go, including user space
> as you have outlined below.
I can do it myself.
However, if you already have the patches, IMHO, it's better to submit those.
I'll do whatever you think is best.

-- 
Pouria