Does DHCP server take IPs back from sleeping systems before its lease expires?

Caines, Max Max.Caines at wlv.ac.uk
Fri Dec 7 16:48:36 UTC 2007


Yes. It will never take back unexpired leases

Max 

> -----Original Message-----
> From: dhcp-users-bounce at isc.org 
> [mailto:dhcp-users-bounce at isc.org] On Behalf Of Alex
> Sent: 07 December 2007 16:13
> To: dhcp-server at isc.org
> Subject: Does DHCP server take IPs back from sleeping systems 
> before its lease expires?
> 
> Hello,
> 
> I have a quick question here: If the IP addresses of a
> certain scope are exhausted, how does DHCP server
> handle new requests? In such situations, will DHCP
> server checks if there are any inactive systems, and
> if so, get IPs from these sleeping systems? I don't
> think this is the case. I believe if a lease is not
> expired, DHCP server won't take the IP back for a new
> request, even if the IP owner is sleeping at current
> time. Is it true?
> 
> Thank you in advance!
> 
> nz
> 
> 
> 
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