DHCPv6 and MAC Address inclusion

[Walter Andrew Scott]

I realize I'm coming in late to this discussion, but I thought I'd throw in my personal experience with a question.. We're running the ISC dhcpv6 server v4.1.1-P1 that comes pre-packaged with Redhat 6. We use the phrase "hardware ethernet" to denote MAC addresses in our reservation tables and the clients get recognized. Is this behavior not part of the RFC and/or removed in newer versions of the server?

I realize that using the MAC address limits us to one assignment per interface, but we don't have any cases where we dynamically assign more than one address per physical NIC so we don't lose anything. I'm just wondering if our current approach is a kluge and we should be trying to figure out a clean way to get the server to tell us which link-local addresses and/or MAC addresses match to which DUIDs that are being used by clients (we haven't been able to find one yet) or if we can expect to keep going with MACs as the client-ids.

Walter A. Scott
Web Application Developer
Center for High Performance Computing
University of Utah
walter.scott at utah.edu
________________________________
From: dhcp-users-bounces+walter.scott=utah.edu at lists.isc.org [dhcp-users-bounces+walter.scott=utah.edu at lists.isc.org] on behalf of perl-list [perl-list at network1.net]
Sent: Tuesday, January 24, 2012 07:27
To: Users of ISC DHCP
Subject: Re: DHCPv6 and MAC Address inclusion

A convincing case for the need of the MAC address in the DHCP packet:

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