dhcp discover => new ip

wouter.debie wouter.debie at excentis.com
Tue Nov 13 08:07:25 UTC 2007


Simon Hobson wrote:
> wouter.debie wrote:
>
>> I have a bit of an odd question. I have a dhcp server and some 
>> clients (cable modems) connected on a network. Now i would like to 
>> configure the dhcp server so that every time a client performs a dhcp 
>> it gets a new IP-address and not the same address it use to have 
>> before.  Even if it performs a dhcp renew it must receive an other ip 
>> addres. So every dhcp from a clients results in a new address for 
>> this client and no
>>
>> Is this possible ( by an option in the configuration file dhcp.conf)??
>
> No, it is explicitly against the requirements of the RFC.
>
> Could you clarify what you mean by "every dhcp from a clients" ? Do 
> you mean every time the client comes online and does a DHCP Discover, 
> or when it does a DHCP Request (ie a renewal) ?
>
> If it's the latter then you would break your clients on a regular 
> business, and few would be prepared to help you - many have said you 
> (or rather your employer) deserves to go out of business when you 
> customers find out the tricks you are playing on them.
>
> If it's the latter, then you could simulate it (but not very well) - 
> check the archives and you'll find a number of threads on the subject. 
> `but ultimately, you are wanting to do exactly the opposite of what 
> the server is designed to do !
>
>
>
Thanks for the help. I found the threads in the archives. We knew it 
isn't the correct thing to do but it's for testing aims. 

greetings

Wouter


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