Switch a client to fixed pool after dynamic ip delegation

[AJH]

It's me again...

I read about that:

"duplicates – this declaration enables or disables the assignment of multiple IP addresses to a given host (MAC address). If deny duplicates is configured, when a client requests a lease from a server that has a host declaration matching the client’s MAC address , the server will assign the address but all other leases associated with that MAC address will be discarded. ignore duplicates is not defined."

http://www.ipamworldwide.com/declarations-topological/declarations-allowdenyignore.htm

Yes of course, we are working with the option 82 but...
the MAC adress is known, by the request, by the server.

Will this work?

thank you

ajh

[ AJH <ajh4711 at gmx.de> - 01.03.2013      07:53:49 ]:

> Hello together,
> 
> I have the same problem...
> 
> How work that deny/accept rules?
> 
> In my case I have the same ip range for both (dynamic and fixed).
> 
> For me it's no posibility to work with MAC adresses.
> 
> I am also happy about every idea...
> 
> thanks ajh
> 
> [ Denis Laventure <Denis_Laventure at uqac.ca> - 28.02.2013      19:22:13 ]:
> 
> > Hi,
> > 
> > I think it's because you use a static via agent circuit id. When the client send a DHCPREQUEST it goes right to the DHCP server without passing by your DHCP relay (no broadcast), so the option-82 (circuit id) doesn't exist in the request from the client, it's added by the relay. 
> > 
> > I know it doesn't fix your problem, but if you use a static via a MAC address it will work.
> > 
> >  Denis
> > 
> > -----Message d'origine-----
> > De : dhcp-users-bounces+denis_laventure=uqac.ca at lists.isc.org [mailto:dhcp-users-bounces+denis_laventure=uqac.ca at lists.isc.org] De la part de Andreas Hanke
> > Envoyé : 28 février 2013 11:34
> > À : dhcp-users at lists.isc.org
> > Objet : Switch a client to fixed pool after dynamic ip delegation
> > 
> > Hello everyone,
> > 
> > I have an isc dhcp server.
> > 
> > The configuration is mixed between a dynamic pool and some static fixed pools (with option agent circuit id).
> > 
> > That means:
> > a lot of clients get there ip from the pool dynamic.
> > a lot of clients get there ip "fixed" via the agent circuit id option of the static fixed pool configuration.
> > 
> > My problem:
> > If I switch a client from the dynamic pool into the fixed "area" the client send his next DHCPREQUEST with the "old ip from the pool".
> > 
> > and...the dhcp server says "OK you could have that"
> > altough a fixed pool entry exists...
> > 
> > Is there any posiblity to tell the DHCP server if a static fixed pool exists only use this?
> > 
> > thanks...
> > 
> > Have anyone, any idea?
> > --
> > 
> > thanks a lot andy
> > _______________________________________________
> > dhcp-users mailing list
> > dhcp-users at lists.isc.org
> > https://lists.isc.org/mailman/listinfo/dhcp-users
> > 
> --
> 
> thanks + bye ajh 
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--

thanks + bye ajh