Vista doesn't ack dhcp offer

Doug Tucker tuckerd at
Thu Sep 20 18:46:24 UTC 2007

Gents!  No, no, I didn't just go away :).  Here is the requested clients
sniff, sorry it took so long to get it.  Long story, and I did have to
wire connect directly to the vlan in question to even perform a sniff,
but it's done.  Please see it here:

Thanks to everyone!!

On Wed, 2007-09-19 at 13:48 -0700, Matt Cowger wrote:
> Do you have an equivalent sniff for the client side?  It might be
> useful.
> -----Original Message-----
> From: dhcp-users-bounce at [mailto:dhcp-users-bounce at] On
> Behalf Of Doug Tucker
> Sent: Wednesday, September 19, 2007 1:41 PM
> To: dhcp-users at
> Subject: Re: Vista doesn't ack dhcp offer
> Well, yes, we are running iptables on the box as well...we use the nocat
> package for redirecting the wireless clients to an auth system.  I don't
> see anything unusual happen during these requests in the tables output
> though fwiw, but, it's possible I guess to be the problem...but even
> then, wouldn't we see the attempt in the dump?  It literally looks like
> after the offer, it's dropped on the client side.  Doesn't look like the
> client ever comes back?
> On Wed, 2007-09-19 at 12:55 -0700, David W. Hankins wrote:
> > On Wed, Sep 19, 2007 at 01:40:50PM -0500, Doug Tucker wrote:
> > >
> > 
> > These offers look correct to me, and what any client that sets the
> > broadcast bit should need and expect.
> > 
> > Are you using any kind of l2 security technology, to limit address
> > spoofing and so forth?  These sometimes trigger false positives and
> > drop the server or client packets.
> > 
> > -- 
> > Ash bugud-gul durbatuluk agh burzum-ishi krimpatul.
> > Why settle for the lesser evil?

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