Diff client IDs -> multiple leases
rcblach at blach.dnsalias.org
Sun Mar 12 19:46:49 UTC 2006
Linux can send a client ID. Just send the same client ID that windows
This is configurable.
Jesse Saletan wrote:
> I run a lab of about 250 systems and have been using ISC's DHCP ever since
> I replaced the MS DHCP server set up by my predecessor. It's been working
> beautifully, but now I find myself coming up against a problem that has
> been discussed on this list before.
> There are a number of systems on my network that multiboot between Windows
> and Linux. When a Windows system requests a lease it sends its MAC
> address as the client ID. When that same system is rebooted into linux
> the DHCP client does not send a client ID, and it is therefore issued a
> new lease with a different IP address. I would like to limit clients
> to a single lease and IP address.
> Back in 2004/2005 a guy named Didi posted some patches to change the way
> the dhcp server handles client IDs in order to address this problem. Some
> discussion followed about whether it was proper to violate the the RFC to
> produce the desired result, and it was proposed that an option be added to
> dhcpd.conf to control this behavior, with appropriate warnings that it was
> not RFC compliant.
> Can anyone bring me up to date on the status of this issue? Does the
> current dhcp server include any option for how to handle client IDs? Or
> is there some other way to produce the desired result, other than
> modifying all the dhcp clients' settings?
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