DHCPNAK

[Alaa Alamood]

Hi

I have problem between dhcp server and dhcp client windows 2k, that when 
the client has been used in onther network, can not get new IP
address and it try until it give op, the log file in the server side it 
look like the following


Jan 28 08:38:30 cluster1 dhcpd: DHCPNAK on 192.168.1.6 to 
00:d0:59:2a:e4:70 via tu1
Jan 28 08:38:34 cluster1 dhcpd: DHCPREQUEST for 192.168.1.6 from 
00:d0:59:2a:e4:70 via tu1: wrong network
.
Jan 28 08:38:34 cluster1 dhcpd: DHCPNAK on 192.168.1.6 to 
00:d0:59:2a:e4:70 via tu1
Jan 28 08:38:42 cluster1 dhcpd: DHCPREQUEST for 192.168.1.6 from 
00:d0:59:2a:e4:70 via tu1: wrong network
.
Jan 28 08:38:42 cluster1 dhcpd: DHCPNAK on 192.168.1.6 to 
00:d0:59:2a:e4:70 via tu1
Jan 28 08:39:04 cluster1 dhcpd: DHCPDISCOVER from 00:d0:59:2a:e4:70 
(MOBILE-CHP) via tu1
Jan 28 08:39:05 cluster1 dhcpd: DHCPOFFER on 172.16.0.189 to 
00:d0:59:2a:e4:70 (MOBILE-CHP) via tu1
Jan 28 08:39:08 cluster1 dhcpd: DHCPDISCOVER from 00:d0:59:2a:e4:70 
(MOBILE-CHP) via tu1
Jan 28 08:39:08 cluster1 dhcpd: DHCPOFFER on 172.16.0.189 to 
00:d0:59:2a:e4:70 (MOBILE-CHP) via tu1


does any one have a good idea what's going on and what should I do to 
solve the problem

regrads
Alaa