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 From:  sai <sonicsai at gmail dot com>
 To:  Dave Corder <dcorder at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: dhcp out of ip addresses
 Date:  Wed, 1 Jun 2005 15:16:06 +0500
I see (on the DHCP log on the m0n0 machine) that the XP machine
requests its old IP address (wrong subnet), and that m0n0 offers a new
IP address to the XP.  However the XP seems to ignore this.
Any help from XP users would be appreciated...

sai


On 6/1/05, Dave Corder <dcorder at gmail dot com> wrote:
> Most likely, the 192.168.102.x IP address is the last DHCP lease
> obtained by Windows. IIRC, Windows will try to renew the previous
> lease from the DHCP server. When machines (especially laptops) move
> between networks with different address ranges, they'll request an
> address from the old network, the DHCP server will deny the request,
> and then the DHCP server will offer a new address in the correct
> network. I see this all the time with my laptop, which moves between
> home, school, and work daily.
> 
> -Dave
> 
> On 5/31/05, sai <sonicsai at gmail dot com> wrote:
> > I have a network of Windows XP machines. The problem is that the DHCP
> > server gets to the end of the range allowed and no new PCs can get on
> > the net.
> > Allowed Range is 192.168.10.50 - 192.168.10.253
> > 
> > There are only about 30 PCs on the net so it should not run out of ip
> addresses.
> > 
> > I have the following on the DHCP log:
> > May 31 19:31:30 dhcpd: DHCPOFFER on 192.168.10.248 to
> > 00:c0:4f:4c:9e:68 (D8) via rl0
> > May 31 19:31:29 dhcpd: DHCPNAK on 192.168.102.109 to 00:c0:4f:4c:9e:68 via
> rl0
> > May 31 19:31:29 dhcpd: DHCPREQUEST for 192.168.102.109 (192.168.102.1)
> > from 00:c0:4f:4c:9e:68 via rl0: wrong network.
> > May 31 19:31:29 dhcpd: DHCPDISCOVER from 00:c0:4f:4c:9e:68 via rl0
> > 
> > Where is this 192.168.102.x IP address coming from?
> > 
> > sai
> > 
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> >
>