How to configure linux routing/filtering to send packets out one interface, over a bridge and into another interface on the same box

Posted by rj75 on Server Fault See other posts from Server Fault or by rj75
Published on 2012-07-27T17:39:25Z Indexed on 2013/06/27 22:23 UTC
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I'm trying to test a ethernet bridging device. I have multiple ethernet ports on a linux box. I would like to send packets out one interface, say eth0 with IP 192.168.1.1, to another interface, say eth1 with IP 192.168.1.2, on the same subnet.

I realize that normally you don't configure two interfaces on the same subnet, and if you do the kernel routes directly to each interface, rather than over the wire. How can I override this behavior, so that traffic to 192.168.1.2 goes out the 192.168.1.1 interface, and visa-versa?

Thanks in advance!

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