[LARTC] Bridge and Router on the same device

["Net Cerebrum" <netcerebrum@gmail.com>]

I want to configure a device with three network interfaces where two of them would bridge two segments of the LAN subnet and the third one would be connected to the WAN link.

eth0 - 10.10.10.2/24
 to be connected to the internet gateway having IP 10.10.10.1/24 (also the default gateway for the device)
eth1 and eth2 bridged as br0 with IP address 
172.16.100.1 connected to different segments of the subnet 172.16.100.0/24.


                               WAN (10.10.10.1)
                                         |
                                         |
                                eth0 (10.10.10.2)



-----eth1                                                        eth2------
LAN (172.16.100.0/24)                                LAN (172.16.100.0/24)


I plan to configure the Bridge IP (
172.16.100.1) as the default gateway for the LAN and also regulate the traffic between the two bridged interfaces (eth1 and eth2) using a user space tool. Further since the traffic meant for internet would pass through eth0, there would be a need to regulate the traffic between eth1 and eth0 and also eth2 and eth0.

Is the above arrangement feasible ? Would it be possible to define static routes on this device itself involving hosts reachable through either of the interfaces.

Thank you in advance.



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