Two NICS with same IP and same client IP

[Hervé]

> Hervé wrote:
>>
>> In my case, the point is to help the routing by modifying the source
>> address. For example, you give eth0 two addresses: 192.168.100.1 and
>> 192.168.101.1, and eth1: 192.168.100.1 (yes, the same) and
>> 192.168.102.1.
>
> what's the point ???
>
I have two identical test benches, in which one box has a fixed IP
address, hence I can't change the subnets.
What is more, this box always accesses the same IP address for the server.

Yeah, not so easy, but hey, it's Linux, so it's possible!

Cheers,
Hervé.