MAC NAT

Hi,

I have a question.

in the "simple examples" on the ebtables homepage there is a MAC NAT  
example with the following limitation " If the host with MAC address  
54:44:33:22:11:00 is on the same side of the bridge as where the  
packet arrived, this packet won't be sent out again.".

How can I do MAC NAT so that the paket can left the bridge on the  
same interface it arrives ?


My setup:

- two subnets on one physical network
- alle connected to one router with has two IP-Addresses on that  
interface (the default gateways for the two subnets)
- a transparent firewall before the router
- Goal: redirect traffic that goes from one of these subnets into the  
other directly on the transparent firewall WITHOUT sending that  
traffic to the router.


Thank you very much for your help !

regards
Sebastian


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