Re: IP address depending on the MAC
On 2011-10-05, Raf Czlonka <rjc@linuxstuff.pl> wrote:
> On Wed, Oct 05, 2011 at 08:59:08PM BST, Ireneusz Szcześniak wrote:
>> The computers are in a university laboratory, where students often
>> unplug the lan cable. Then they plug the cable again after some
>> time, and unplug again.
>>
>> The problem with this plugging and unplugging is that when the
>> dhclient doesn't receive a lease in time, it randomly picks an
>> address and stays with it even then the cable is plugged later.
>> With this random address I can't connect to the computer remotely.
>> And so the idea of a static address came to my mind. But now I
>> think I should look into the configuration of dhclient to resolve
>> the problem.
>
> You can resolve this issue by setting up a long lease time and set up
> static leases only - it's trivial.
>
> Regards,
> --
> Raf
Yet another option is to configure clients to send their hostname in the
DHCP request. The hostnames will register with dnsmasq's DNS resolver,
so you can connect to the clients by hostname rather than IP address.
That is my preferred configuration.
--
Liam O'Toole
Cork, Ireland
Reply to: