Ok, finally got time to test this with m0n0 1.2 and I can confirm that this 
is no issue with 1.2 any more. I was using 1.11 before for some reason that
doesn't matter in this kind of configuration, so I'll move to 1.2 for this 
installation. Thanks for pointing out the solution Chris! :-)

Holger

> -----Ursprüngliche Nachricht-----
> Von: Chris Buechler [mailto:cbuechler at gmail dot com]
> Gesendet: Donnerstag, 15. Dezember 2005 15:42
> Cc: m0n0wall at lists dot m0n0 dot ch
> Betreff: Re: [m0n0wall] Filtering Bridge blocking traffic for clients
> with multiple IP/subnets
> 
> 
> On 12/14/05, Holger Bauer <Holger dot Bauer at citec dash ag dot de> wrote:
> > I want to setup a transparent filtering bridge. This device 
> only should provide
> > trafficshaping and nothing else. I have set up this in the 
> past with success and
> > I'm running multiple locations with that kind of setup. 
> However I now have to
> > install filtering bridges at a location where Clients have 
> multiple IP adresses
> > (at the same physical NIC) from different subnets:
> >
> > Example:
> >
> > ClientA--------bridged m0n0--------ClientB
> >
> >
> > ClientA IPs:
> > 192.168.1.1/24
> > 10.1.1.1/24
> >
> > ClientB IPs:
> > 192.168.1.2/24
> > 10.1.1.2/24
> >
> 
> What m0n0wall version, and what hardware?  Firewall log 
> showing anything?
> 
> Versions prior to one of the 1.2 betas had a bug in the antispoofing
> rules as related to bridged interfaces that would pop up in situations
> like this.  It's since been fixed though.
> 
> -Chris
> 
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