Same MAC address on two VLANs & subnets

Simon Hobson dhcp1 at thehobsons.co.uk
Fri Feb 17 08:01:41 UTC 2012


Gerald Vogt wrote:

>DHCP requests from Windows on either VLANs come from the same MAC
>address with the same hardware address and the same client identifier.

------------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^

>There is no server side solution to this problem at this time. The
>only possible solution would be on the client side to make it send
>different client identifiers.
>
>Am I understanding this correctly?

Do you have "one lease per client" set ? If so then that is probably 
your problem. Otherwise, the server should not be releasing one lease 
when the client "moves network" which is how this will appear from 
the server POV.

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.


More information about the dhcp-users mailing list