On 04/23/08 10:24, Jan Engelhardt wrote:
Often layer-2 transparency is not needed, but what do I know. If you just log layer-3 (IP addrs) and up without caring about MAC addresses, make a standard routing setup, i.e. 192.168.1.0/22 on eth0, 192.168.2.0/22 on eth1, and enable forwarding; kinda like that. And let hosts use 192.168.1.1/192.168.2.1 as a default gw (as they already should do).
If it was not for the fact that the OP wanted layer 3 transparency, I would agree with you. However the desire to insert this between a router and one or more systems with out changing the IP addressing necessitates the use of layer 2 technology, i.e. bridging.
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