XP clients sometimes ignore DHCPOFFERs
David W. Hankins
David_Hankins at isc.org
Wed Mar 15 21:14:13 UTC 2006
On Wed, Mar 15, 2006 at 05:09:51PM +0100, Sebastian Hagedorn wrote:
> We have noticed problems with at least some Windows XP SP2 clients. Users
> report that they were unable to get leases from our dhcpd 3.0.3 server. In
> our logs we can see DHCPDISCOVER and DHCPOFFER lines for those clients, but
> the clients never send a DHCPREQUEST. Most of the time this situation can
> be remedied by rebooting the client, but apparently not always. Repairing
> the network connection doesn't seem to do any good, whereas a cycle of
> "ipconfig release / ipconfig renew" in cmd.exe seems to be successful.
We have several XP SP2 boxes here at ISC and have never witnessed this.
If it's not taking one of the OFFERs, I don't know that there's a lot we
> We have pcap files of the sniffed sessions if that would help. I'd be
> grateful for any suggestions.
Fire them at dhcp-bugs at isc.org as a regular attachment (if they're not
huge). I'm a bit stretched this week and next but I might have a moment
David W. Hankins "If you don't do it right the first time,
Software Engineer you'll just have to do it again."
Internet Systems Consortium, Inc. -- Jack T. Hankins
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