Forcing expiration of DHCP lease

[Dan Jenkins]

On Thu, 3 Jun 2004, Cole Tuininga wrote:

> Note, the following is supposition and I'd appreciate that if anybody
> notices I'm wrong they would say so.
> 
> My understanding of DHCP is that the client does not *have* a mechanism
> to tell the server to release a lease for a different system.  Now, I
> understand that you've simply changed NIC's, but the DHCP server has no
> way to know that.  Hence, the only way to get the DHCP server to dole
> out that IP/host to you is to go to the DHCP server and manually expire
> the lease.

To the best of my knowledge, this is correct. I know of no way to accelerate 
the expiration of a lease.

> Not knowing a thing about Windows DHCP server, I wouldn't have the first
> clue how though.  8)

I ought to, but I do it so rarely, I'd have to look at the screens. It does 
vary too some from version to version of Windows server.

Generally, the first thing I do when faced with a Windows DHCP server is 
replace it with a Linux one. ;-)

-- 
Dan Jenkins (dan at rastech.com)
Rastech Inc., Bedford, NH, USA --- 603-624-7272
*** Technical Support Excellence for over a Quarter Century