RE: [dhcwg] Conflicting information regarding DHCP options 82 and 83.

At one point, I did some work on an option code cleanup.  I still have the 
basic information if anyone is interested in picking it up and finishing 
the review, or I can move it forward.  Options 83 and 84 are on the list as 
"returnable".

- Ralph

At 01:31 PM 10/9/2002 -0400, John Schnizlein wrote:
>And DHCP option 83 should also be part of this IANA cleanup.
>I recall a remark in an IETF plenary that IANA was still planning
>to clean up the assignments, and that DHCP options was recognized
>as needing work.
>
>Thanks for the historical explanation of the (erroneous) option 84.
>
>John
>
>At 01:10 PM 10/9/2002, Woundy, Richard wrote:
> >IANA seems to be a little more confused than we realize.
> >
> >Looking at http://www.iana.org/assignments/bootp-dhcp-parameters, I see:
> >
> >   82      Agent Circuit ID         N    Agent Circuit ID
> >   83      Agent Remote ID          N    Agent Remote ID
> >   84      Agent Subnet Mask        N    Agent Subnet Mask
> >
> >And then later on the same page:
> >
> >DHCP Agent Sub-Option Codes  per [RFC3046]
> >
> >Code    Sub-Option Description                 Reference
> >-----   -----------------------                ---------
> >   1    Agent Circuit ID Sub-option            [RFC3046]
> >   2    Agent Remote ID Sub-option             [RFC3046]
> >   3    Sub-option 3 is reserved and should      [Droms]
> >        not be assigned at this time;
> >        proprietary and incompatible usages
> >        of this sub-option value have been
> >        seen limited deployment.
> >   4    DOCSIS Device Class Suboption          [RFC3256]
> >
> >It appears that IANA assigned three DHCP option codes (82-84) when only one
> >DHCP option code was assigned in RFC 3046 (82).
> >
> >Note that an earlier draft of RFC 3046 had a third suboption, "Agent Subnet
> >Mask Sub-option", that was removed prior to RFC publication -- this is why
> >suboption 3 is "reserved". That's why I think option 84 should be part of
> >this IANA cleanup.
> >
> >-- Rich
>
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