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