Re: [dhcwg] recommendation on DHCP6 source port numbers

David Farmer <farmer@umn.edu> Thu, 29 February 2024 16:35 UTC

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From: David Farmer <farmer@umn.edu>
Date: Thu, 29 Feb 2024 10:35:20 -0600
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To: Ole Troan <otroan=40employees.org@dmarc.ietf.org>
Cc: Bernie Volz <bevolz@gmail.com>, dhcwg <dhcwg@ietf.org>
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Subject: Re: [dhcwg] recommendation on DHCP6 source port numbers
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Substitute "DHCP messages" for traffic in the last paragraph.

On Thu, Feb 29, 2024 at 10:24 AM David Farmer <farmer@umn.edu> wrote:

> Would this text clarify things?
>
> Clients receive DHCP messages on UDP (destination) port 546.  Servers and
> relay agents receive DHCP messages on UDP (destination) port 547.
>
> Clients, servers, and relay agents MAY send DHCP messages from any UDP
> (source) port they are allowed to use, including their designated
> destination ports. Nevertheless, regardless of the source port the client
> uses, the server or relay agent MUST send traffic to the designated
> destination port of the client. And vice versa, regardless of the source
> port used by the server or relay agent, the client MUST send traffic to the
> designated destination port of the server or relay agent.
>
>
> Thanks
>
> On Thu, Feb 29, 2024 at 10:03 AM Ole Troan <otroan=
> 40employees.org@dmarc.ietf.org> wrote:
>
>> Bernie,
>>
>> > DHCPv6 has been successfully deployed and this is the first I recall of
>> this kind of discussion/issue.
>> > You would likely also invalidate a lot of implementations with such a
>> change, which is not really in line with advancing this to Full Standard.
>>
>> It’s a lot more important to have the specification clear and
>> unambiguous. I think it has been shown that it isn’t.
>> Happy with whatever solution there is consensus for, but the ambiguity
>> has to be resolved I think.
>>
>> O.
>> _______________________________________________
>> dhcwg mailing list
>> dhcwg@ietf.org
>> https://www.ietf.org/mailman/listinfo/dhcwg
>>
>
>
> --
> ===============================================
> David Farmer               Email:farmer@umn.edu
> Networking & Telecommunication Services
> Office of Information Technology
> University of Minnesota
> 2218 University Ave SE        Phone: 612-626-0815
> Minneapolis, MN 55414-3029   Cell: 612-812-9952
> ===============================================
>


-- 
===============================================
David Farmer               Email:farmer@umn.edu
Networking & Telecommunication Services
Office of Information Technology
University of Minnesota
2218 University Ave SE        Phone: 612-626-0815
Minneapolis, MN 55414-3029   Cell: 612-812-9952
===============================================