Date: Sat, 01 Sep 2007 23:30:27 +0200 From: Peter Boosten <peter@boosten.org> To: Joe <josepha48@yahoo.com> Cc: FreeBSD Questioins <freebsd-questions@freebsd.org> Subject: Re: how to change isc-dhcp3-server replies? (was: isc-dhcp3-server issues with windows 2000 client) Message-ID: <46D9D9F3.3090306@boosten.org> In-Reply-To: <620471.13542.qm@web34613.mail.mud.yahoo.com> References: <620471.13542.qm@web34613.mail.mud.yahoo.com>
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Joe wrote: > Hello, after running tcpdump for a while I discoverd what is going on with my dhcpd server and why some clients are not able to get an IP address from it, in particular windows clients. It turns out it is not just win2k but any windows. > > It seems that the dhcpd server is replying to the subnet and not the broadcast net. So the reply that should be sent to 255.255.255.255:68 is sent to 192.168.0.255:68. Then, because the client has no IP address or has defaulted it to a 169.x.x.x(MS defaults) it does not seem to be getting the reply and thus never gets an address assigned. I have no problems running dhcp3 with windows clients at all... As far as I can tell the broadcast address of a subnet *never* is 255.255.255.255. Peter -- http://www.boosten.org
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