Yes, that would be the solution with a "box" that needs to have at least 4 ethernet ports, to which this or that Linux mini distro is installed and configured, I was looking for something already made and tested/easily configurable.
As you detailed, the way of working of this hypothetical device is simple enough (maybe too simple) and I thought that something like that existed and I was simply unable to find it.
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Yes, that would be the solution with a "box" that needs to have at least 4 ethernet ports, to which this or that Linux mini distro is installed and configured, I was looking for something already made and tested/easily configurable.
As you detailed, the way of working of this hypothetical device is simple enough (maybe too simple) and I thought that something like that existed and I was simply unable to find it.