Hello Rajiv, is there any relation between your draft and draft-ietf-dhc-addr-registration-00?
Thanks Regards, Roberta -----Original Message----- From: ipv6-boun...@ietf.org [mailto:ipv6-boun...@ietf.org] On Behalf Of Rajiv Asati (rajiva) Sent: Thursday, January 31, 2013 6:27 PM To: Philipp Kern; Brian Hamacher Cc: ipv6@ietf.org 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-tracking Cheers, Rajiv -----Original Message----- From: Philipp Kern <pk...@debian.org> Organization: The Debian Project (http://www.debian.org) Date: Wednesday, December 12, 2012 10:37 AM To: Brian Hamacher <bhamac...@westianet.com> Cc: "ipv6@ietf.org" <ipv6@ietf.org> 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 ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 -------------------------------------------------------------------- Questo messaggio e i suoi allegati sono indirizzati esclusivamente alle persone indicate. La diffusione, copia o qualsiasi altra azione derivante dalla conoscenza di queste informazioni sono rigorosamente vietate. Qualora abbiate ricevuto questo documento per errore siete cortesemente pregati di darne immediata comunicazione al mittente e di provvedere alla sua distruzione, Grazie. This e-mail and any attachments is confidential and may contain privileged information intended for the addressee(s) only. Dissemination, copying, printing or use by anybody else is unauthorised. If you are not the intended recipient, please delete this message and any attachments and advise the sender by return e-mail, Thanks. -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
