something like 
https://www.chelsio.com/wp-content/uploads/2012/02/B420-021412.pdf
?

On Wed, Jun 17, 2020 at 1:16 PM Dovid Bender <do...@telecurve.com> wrote:
>
> Hi,
>
> I am sorry if this is off topic.I was once demoed a network device that had 
> two interfaces. The traffic would go through the device. If there was a power 
> cut or some other malfunction there would be a relay that would physically 
> bridge the two network interfaces so the traffic would flow as if it was just 
> a network cable. Is anyone aware of such a network card or device?
>
> TIA.
>
>

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