Re: DHCP slow renewal, actually times out but mysteriously still gets an IP

[Shaul Karl <shaulk@actcom.net.il>]

On Sat, May 22, 2004 at 10:26:43AM -0400, Roberto Sanchez wrote:
> Steve Allison wrote:
> >On Sat, 22 May 2004 00:20:08 +0200, in linux.debian.user you wrote:
> >
> >
> >>Stalks wrote:
> >>
> >>>I have a small network with 6 public IP addresses. The debian server 
> >>>runs a DHCP server. I've tried
> >>>with the 'apt-get install dhcp' and am now using 'apt-get install 
> >>>dhcp3-server'.
> >>>
> >>>When my XP SP1a machine (PC4800 Deluxe with onboard 3COM Gigabit 
> >>>Ethernet) attempts to get an IP via
> >>>DHCP, windows actually times out. *but* it *does* get an IP.
> >>>
> >>
> >>By default, if a DHCP attempt times out, the client will normally
> >>use the last known good address it was given.
> >>
> >>-Roberto Sanchez
> >
> >
> >Does WindowsXP hold onto the last known IP even with a reboot? I
> >havent a clue about the internal workings of the DHCP protocol.
> >Looking at the logs,
> 
> I don't know about XP.  But, Debian stores its DHCP leases in a
> file.  When I have shut all my machines down and brought up only
> one or two clients, with no DHCP server on the network, the clients
> pickup their previous addresses even after the reboot.
> 
> -Roberto Sanchez


  If you are using a

    default-lease-time 0;

in /etc/dhcp3/dhcpd.conf then increase it to see if the problem will go
away. Otherwise I haven't a clue.

-- 
"If you have an apple and I have  an apple and we  exchange apples then
you and I will still each have  one apple. But  if you have an idea and I
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