No subject

specify them in the dhcpd.conf file using man dhcpd-options and man
dhcpd.conf.

regards,
-glenn

>Date: Thu, 08 Feb 2007 18:49:17 +1300
>From: Tim Philips <timp at rndgroup.co.nz>
>To: dhcp-users at isc.org
>Subject: Re: Clients not recieving IP's via DHCP
>
>Hi All,
>
>
>[sorry for the lengthy e-mail below]
>
>
>
>I'm trying to diagnose a very weird problem for a client.  They several
>Windows Vista clients on their network and they are having problems
>obtaining an IP address via DHCP (all other Windows XP and Linux clients
>are working fine).
>
>To try and diagnose this outside of the clients production network I
>have managed to replicate the problem in my personal network using my
>XBOX and Nintendo Wii (based on the information below) (all other Linux,
>Mac OSX and Windows clients work like a charm).
>
>The ISC DHCP version is 3.0.1-58.EL4 (installed from RPM on CentOS 4.4).
>The basic configuration for the DHCP server is as follows:
>
>server-identifier router;
>option domain-name-servers 192.168.2.1;
>option routers 192.168.2.1;
>option subnet-mask 255.255.255.0;
>option broadcast-address 192.168.2.255;
>default-lease-time 7200;
>max-lease-time 50000;
>ignore client-updates;
>ddns-update-style none;
>next-server 192.168.2.1;
>authoritative;
>
>subnet 192.168.2.0 netmask 255.255.255.0 {
>        range 192.168.2.100 192.168.2.150;
>}
>
>host xbox {
>        hardware ethernet 00:0D:3A:4E:F4:DA;
>        fixed-address 192.168.2.252;
>}
>
>When I enable DHCP on the XBOX and bring up the clients Ethernet
>interface I see the following (as example) loops 12 times in the
>messages file:
>
>Feb  8 18:28:37 thinktank1 dhcpd: DHCPDISCOVER from 00:0d:3a:4e:f4:da
>via eth0
>Feb  8 18:28:37 thinktank1 dhcpd: DHCPOFFER on 192.168.2.252 to
>00:0d:3a:4e:f4:da via eth0
>
>There is no firewall between the XBOX and the DHCP server.
>
>I have put another client (Linux) on the network and executed tcpdump
>and I don't see anything coming back from the client after the DHCPOFFER
>has been sent.  Looking on several mailing lists and google (and
>friends) it indicates that the client may be expecting some additional
>options that the DHCP server isn't sending but I can't for the life of
>me figure out what.
>
>I have downloaded a Win32 DHCP client and installed that on a spare
>Windows XP computer and right away the client was able to obtain an IP
>address from the DHCP server, so I'm picking I have miss configured
>something with the options for the given clients under ISC. I have even
>attempted to set a static IP address on the client (which works fine).
>
>
>Any clues that would help me solve the problem would be much appreciated!
>
>
>Cheers ;)
>
>-- 
>
>
>Thanks
>Tim Philips (RHCE)
>RND GROUP LIMITED
>
>