Re: [dhcwg] MAC Address Tracking via DHCP6

"Rajiv Asati (rajiva)" <rajiva@cisco.com> Fri, 01 February 2013 15:57 UTC

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From: "Rajiv Asati (rajiva)" <rajiva@cisco.com>
To: Ted Lemon <Ted.Lemon@nominum.com>, Chuck Anderson <cra@WPI.EDU>
Thread-Topic: [dhcwg] MAC Address Tracking via DHCP6
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Date: Fri, 01 Feb 2013 15:57:38 +0000
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Cc: "dhcwg@ietf.org" <dhcwg@ietf.org>, Brian Hamacher <bhamacher@westianet.com>, "ipv6@ietf.org" <ipv6@ietf.org>, Philipp Kern <pkern@debian.org>
Subject: Re: [dhcwg] MAC Address Tracking via DHCP6
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I agree, Ted. 

-----Original Message-----
From: Ted Lemon <Ted.Lemon@nominum.com>
Date: Friday, February 1, 2013 10:49 AM
To: Chuck Anderson <cra@WPI.EDU>
Cc: Rajiv Asati <rajiva@cisco.com>, "dhcwg@ietf.org" <dhcwg@ietf.org>,
Brian Hamacher <bhamacher@westianet.com>, Philipp Kern <pkern@debian.org>,
"ipv6@ietf.org" <ipv6@ietf.org>
Subject: Re: [dhcwg] MAC Address Tracking via DHCP6

>On Feb 1, 2013, at 10:42 AM, Chuck Anderson <cra@WPI.EDU> wrote:
>> There is also draft-ietf-dhc-dhcpv6-client-link-layer-addr-opt-04
>> which handles the case for DHCPv6 clients.  That also requires no
>> changes to clients--only the DHCPv6 Relay Agent.
>
>This document doesn't apply to SLAAC or CGA addresses, though‹just
>stateful addresses acquired through DHCPv6.   Admittedly, we could also
>snoop DHCPINFORM traffic, but there's no guarantee that all devices on
>the network will do a DHCPINFORM, even if the O bit is set.
>