On June 28, 2020 17:45, R.Wieser wrote:

> Lew,
>
>> but it might not suit your criteria.
>> Nevertheless, here it is.
>>
>> 1) the Linux networking stack can support multiple IP addresses on
>> a single physical ethernet interface. These addresses /do not/ need to
>> belong to  the same subnet, or even the same network.
>
> So, all of those 'puters are than electrically connected ?  In that case,
> how does that stop a 'puter from one "subnet" to try to talk to a 'puter
> of another "subnet" ?

Nominally, your (secured) configuration on each system would ensure that
systems neither add themselves to the other subnet nor modify the existing
routing that keeps each subnet logically isolated.

> It just needs to stop or bypass its default gateway, and away it goes !

Implying that your system configurations aren't very secure, I guess.

> Which is pretty-much exactly why I maintain an electrical seperation for
> my subnets.
>
> Thanks for the suggestion though.

C'est la vie. It was a suggestion, nothing more.

Regards
--
Lew Pitcher
"In Skills, We Trust"

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