[geeks] in which Windows shoots itself in the foot (again)

[Nick B.]

At my current job we have no end of trouble with Win 2k and 2k3 on multihomed
setups.  Our eventual solution was "never multihome windows".
	Nick
On Fri, Mar 06, 2009 at 12:20:57PM -0800, velociraptor wrote:
> On Thu, Mar 5, 2009 at 11:08 AM, Phil Stracchino <alaric at metrocast.net>
> wrote:
> > OK ...  we were recently given a Dell Inspiron 4100 laptop.  It has a
> > built-in wired Ethernet interface (a 3C920) and an 11b PCMCIA wireless
> > interface (an Orinoco WaveLAN Silver).  I had hell's own game getting
> > networking to work correctly on it ... until I thought to look at the
> > routing tables.
> >
> >
> > Now, the two interfaces are on different subnets.  The wired interface
> > is 10.24.32.51; the wireless interface is 10.24.33.51.  Both are
> > assigned via DHCP.  Windows creates sane default routes, etc, etc ... it
> > creates routes to its own interfaces via loopback, which is a bit weird,
> > but doesn't actually seem to harm anything ... and then it creates
> > static routes to the 10.24.32.0 and 10.24.33.0 subnets pointing straight
> > back at the respective interfaces, which cause EVERYTHING to break.
> > Delete those two routes, and networking all Just Works.  Packets
> > correctly go in and out via the correct interfaces and get where they're
> > supposed to go, no problem.  Leave'em in place, and the machine is
> > catatonic.
> >
> >
> > Does anyone know a Secret Win2K Admin Trick to either automatically
> > delete those two routes as soon as they're created, or better yet, stop
> > Windows from ever creating them in the first place?
> 
> Don't have an answer for that, but I will say that I've tried dual
> interfacing on XP tablet (Pro, SP3), and it did similar dumb stuff.
> You might try automating and using manual route priority settings to
> fix it.
> 
> =Nadine=
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