OMAPI Host Object and Duplicate MACs in different subnets

[Stéphane PURNELLE]

It's possible to have multiple same MAC address ?

-----------------------------------
Stéphane PURNELLE                         stephane.purnelle at corman.be
Service Informatique       Corman S.A.           Tel : 00 32 087/342467

dhcp-users-bounce at isc.org a écrit sur 08/07/2008 17:35:00 :

> Glenn,
> 
> It's not exactly what I need.
> 
> My problem is: different machines which have the same MAC address but
> are in different subnets. They may have different configurations.
> 
> Anyway, I tried to create a host entry with the parameter
> fixed-address using more than one IP, but it's not possible. OMAPI
> takes only the first argument.
> 
> Any ideas?
> 
> Thanks,
> Caciano Machado
> 
> On Tue, Jul 8, 2008 at 12:00 PM, Glenn Satchell
> <Glenn.Satchell at uniq.com.au> wrote:
> >
> >>Date: Tue, 8 Jul 2008 11:47:44 -0300
> >>From: "Caciano Machado" <caciano at gmail.com>
> >>To: dhcp-users at isc.org
> >>Subject: OMAPI Host Object and Duplicate MACs in different subnets
> >>
> >>Hi,
> >>
> >>I have a problem with the following scenario:
> >>
> >>A central DHCP server and many subnets which forward the DHCP requests
> >>through DHCP relays. The central server is managed via OMAPI. We
> >>manage static hosts configurations using it.
> >>
> >>The problem occurs when a subnet has a duplicate address interface...
> >>ISC DHCP don't permit this situation using OMAPI even if the
> >>interfaces are in different subnets. OMAPI doesn't have a way to tell
> >>to DHCP in which subnet the host is located.
> >>
> >>Anyone has a solution to this problem?
> >>
> >>Regards,
> >>Caciano Machado
> >>
> > In dhcpd.conf it is legal to have more than one address in the
> > fixed-address statement.
> >
> > For example if you have one host which might need fixed addresses in
> > more than one subnet you can use:
> >
> > host mylaptop {
> >  hardware ethernet c:0:f:f:e:e;
> >  fixed address 192.168.1.1, 192.168.2.20, 192.168.50.99;
> > }
> >
> > Can you do this with omapi commands? Select using the mac address, 
then
> > add multiuple IP addresses?
> >
> > set ip-address = 192.168.1.1, 192.168.2.20, 192.168.50.99
> >
> > I'm not able to test this here, but it might be worth trying.
> >
> > regards,
> > -glenn
> >
> >
> >
> 
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