DHCPv6 and MAC Address inclusion

[perl-list]

ahh - so it still isn't there if the client didn't included it in the DUID. Sadly, not all clients do (windows / linux do - D-Link does not - I suspect that many router manufacturers will not). 

----- Original Message -----

> From: "Casey Deccio" <casey at deccio.net>
> To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> Cc: "Tom Ammon" <tom.ammon at utah.edu>
> Sent: Tuesday, January 24, 2012 12:33:56 PM
> Subject: Re: DHCPv6 and MAC Address inclusion

> On Tue, Jan 24, 2012 at 6:53 AM, perl-list < perl-list at network1.net >
> wrote:

> > I for one would love to see your config to see how you are doing
> > this. The hardware ethernet isn't included in the DHCPv6 packet (at
> > least as far as I can see from packet captures) other than as part
> > of the client-id (DUID) on *SOME* clients (ie: NOT d-link). Would
> > love to see your configs... Didn't know the DHCP server decoded the
> > DUID to know what the hardware ethernet is.
> 

> From DHCP 4.2.3-P2 release notes [1]:

> "Changes since 4.1.0 (new features)
> ...
> - The 'hardware [ethernet|etc] ...;' parameter in host records has
> been
> extended to attempt to match DHCPv6 clients by the last octets of a
> DUID-LL or DUID-LLT provided by the client."

> This feature was added in DHCP 4.2.0, but RedHat has backported this
> change to the 4.1.x version distributed with RHEL6.2.

> Casey

> [1] https://deepthought.isc.org/article/AA-00595

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