Bit of help / guidance with a dhcpd.conf file

Japhy Bartlett japhy at pearachute.com
Fri Jul 4 04:19:41 UTC 2008


Thanks to everyone who responded - with your help I've got things
working proper.

If you're ever in Benton Harbor, MI, I owe you all a beer :)

- Japhy

On Thu, Jul 3, 2008 at 5:18 PM, Bruce Hudson <Bruce.Hudson at dal.ca> wrote:
>
>> When I connect a laptop with the matching MAC address, I receive the
>> IP 192.168.2.2.  So - how come it isn't matching?
>
>    The "remote-id" sub-option is part of the "relay-agent-information"
> option. If MAY be set by a relay agent to provide additional information
> about the source of the request. You are then extracting characters 3
> through 8 (starting at 1) from this value.
>
>    You normally would want to look at packet dumps of your DHCP requests
> before playing with this type of option unless you know what your gear is
> adding; and probably even then just to be sure.
>
>    If all you want to match is the MAC address, you are doing far more
> work than necessary.
>
>          class "known" {
>             match hardware;
>          }
>
>          subclass "known" 1:00:1b:38:75:a5:ea;
>
> Note the "1" prepended to the client's addresses. This is the hardware
> type (1 == ethernet).
> --
> Bruce A. Hudson                         | Bruce.Hudson at Dal.CA
> UCIS, Networks and Systems              |
> Dalhousie University                    |
> Halifax, Nova Scotia, Canada            | (902) 494-3405
>
>


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