Re: IP address depending on the MAC
On Thu, Oct 06, 2011 at 07:30:00PM BST, Ireneusz Szcześniak wrote:
> On 06.10.2011 08:56, Raf Czlonka wrote:
> > What do you mean by "falls back to a random IP address"?
>
> The interface is assigned an address in the range 169.254.0.0/16.
Remove the package which assigns those IP addresses, e.g.
network-manager or avahi-autoipd.
> > What purpose unplugging the PC from the network has?
> > Is it part of the lab?
>
> Student bring their laptops and get the ethernet cable from the lab
> computers. They do it frantically a few times, and the desktop
> interface gets this address.
With static leases you wouldn't have that problem as now they're getting
dynamic IP addresses. Configure your DHCP server not to assign IP
addresses for MACs not in the database.
> Not only dhclient might be setting this random address, but also the
> Network Manager.
Don't use Network Manger ;^)
Regards,
--
Raf
Reply to: