Win XP discover/offer/req/ack loop (Help!)

Jeff A. Earickson jaearick at
Thu Aug 24 18:20:00 UTC 2006

I'll add that we tried a Win 2000 box on this subnet with
the same results.

Jeff Earickson

On Thu, 24 Aug 2006, Jeff A. Earickson wrote:

> Date: Thu, 24 Aug 2006 12:08:16 -0400 (EDT)
> From: Jeff A. Earickson <jaearick at>
> Reply-To: dhcp-users at
> To: dhcp-users at
> Cc: Daniel S. Siff <dsiff at>
> Subject: Win XP discover/offer/req/ack loop (Help!)
> Help!
> Alex Moen posted a query just like mine to the list on 4/21/2006
> just like mine, but I didn't find an answer that helped him.
> I am having the same problem.
> My Setup: version 3.0.4 running on Solaris 9 (primary) and Solaris
> 10 (secondary) boxes.  Failover mode has been running great for
> months.
> Yesterday our network admin lowered the lease times on some
> networks and also reduced the pool sizes for some other networks.
> Today one network (not any that were changed yesterday) chokes
> if Win XP machine are plugged into it.  The loop looks like
> (for one MAC addr):
> magma dhcpd: DHCPREQUEST for ( from 00:14:22:f7:8f:76 (d620-015549) via
> magma dhcpd: DHCPACK on to 00:14:22:f7:8f:76 (d620-015549) via
> (repeats ad nauseum, quickly)
> Apple systems have no problems on this network.  If the network
> guy moves the switch ports to different subnets/vlans then the
> same machine nicely gets a IP number from the other subnet.
> The problem is only with one subnet.
> I stopped both DHCP servers, cleaned out all leases for subnet
> 137.146.202 from the lease file (I have a perl script to do this),
> copied the new lease file to the secondary, restarted the secondary,
> then restarted the primary.  Subnet 202 went right back to its
> bad behavior.
> What is the problem??  The fix??  Help!!
> Jeff Earickson
> Colby College

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