i know mac

[Fabian Pacheco]

2007/7/25, Frank Bulk <frnkblk at iname.com>:
>
> Fabian:
>
> Can I recommend you look at ISC's DHCP server?  It's free and supports
> self-created extended options, such as sub-option 122, for PacketCable
> VoIP.
>
> But to your question, the CPE DHCP request/renewal will never show the IP
> address of the CM, unless the CMTS vendor included that in the relay.
>
> Frank
>
> -----Original Message-----
> From: dhcp-hackers-bounce at isc.org [mailto:dhcp-hackers-bounce at isc.org] On
> Behalf Of Fabian Pacheco
> Sent: Wednesday, July 25, 2007 1:12 PM
> To: dhcp-hackers at isc.org
> Subject: i know mac
>
> Hi I'm developing a DHCP Server for DOCSIS and Packet Cable, And I want to
> know the Mac-Address from the cable-modem, the problem is that in the dhcp
> message from CPE (computer)I just see the ip address from CMTS (Relay
> agent
> giaddr field) but I can't see  the ip from the Cable Modem.
> How do I know the Mac-Address from Cable Modem and the Mac-Address from
> CMTS?


Hi Frank:

thanks for your help, the solution is with the CMTS, I activated the dhcp
relay information option in cisco case.
thank you very much again. ;-)

Fabian