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.
On Fri, Feb 01, 2013 at 02:56:03PM +0000, Rajiv Asati (rajiva) wrote: > Hi Maglione, > > Thanks for your review and a good question. > > draft-ietf-dhc-addr-registration introduces a new IPv6 Neighbor Discovery > option and a > new DHCPv6 option to propagate the address registration information > from the hosts to the network. It requires the changes on the host. > > > > draft-asati-dhc-ipv6-autoconfig-address-tracking, on the other hand, > requires no changes to IPv6 Neighbor Discovery and no changes to the > hosts. It introduces changes in DHCPv6 specific to the last hop router and > the DHCP server, thereby keeping the changes within the network (and DHCP > server). > > > Cheers, > Rajiv > > -----Original Message----- > From: Maglione Roberta <[email protected]> > Date: Friday, February 1, 2013 3:26 AM > To: Rajiv Asati <[email protected]> > Cc: "[email protected]" <[email protected]>, Philipp Kern <[email protected]>, > Brian Hamacher <[email protected]> > Subject: RE: MAC Address Tracking via DHCP6 > > >Hello Rajiv, > > is there any relation between your draft and > >draft-ietf-dhc-addr-registration-00? > > > >Thanks > >Regards, > >Roberta > > > > > >-----Original Message----- > >From: [email protected] [mailto:[email protected]] On Behalf Of > >Rajiv Asati (rajiva) > >Sent: Thursday, January 31, 2013 6:27 PM > >To: Philipp Kern; Brian Hamacher > >Cc: [email protected] > >Subject: Re: MAC Address Tracking via DHCP6 > > > > > >There is a better way out to track the IPv6 addresses used by the hosts > >(via SLAAC or static) - > > > >http://tools.ietf.org/html/draft-asati-dhc-ipv6-autoconfig-address-trackin > >g > > > >Cheers, > >Rajiv > > > >-----Original Message----- > >From: Philipp Kern <[email protected]> > >Organization: The Debian Project (http://www.debian.org) > >Date: Wednesday, December 12, 2012 10:37 AM > >To: Brian Hamacher <[email protected]> > >Cc: "[email protected]" <[email protected]> > >Subject: Re: MAC Address Tracking > > > >>On Tue, Dec 11, 2012 at 04:04:14PM -0600, Brian Hamacher wrote: > >>> I am looking for a good way to track my users MAC Addresses. I have a > >>> test DHCPv6 server up and running ISC 4.1.1-P1. When I look through my > >>> DHCP logs as well as my leases file I do not see the client MAC Address > >>> anywhere. Do I need to enable an option to allow this to be logged? I > >>> am looking to figure out how I can track what user had what IP Address > >>> at any given time. The MAC Address is traditionally how I have done > >>> this. > >> > >>One way would be to poll your routers' ND tables (like fetching ARP > >>tables > >>in IPv4). As soon as you use relaying you most certainly won't get a > >>useable MAC address from your client, even though it might be possible in > >>the same network segment. (The MAC address is not copied from the wire > >>into the new relayed packet sent by the router to your server.) > >> > >>DHCPv6 uses the so-called client identifier extensively and not the MAC > >>address anymore. So you cannot do any static assignment based on MAC > >>addresses. > >> > >>Kind regards > >>Philipp Kern -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
