Can Ethernet and wi-fi be used concurrently?

[Mel Pilgrim]

On 2019-06-22 18:24, Thomas Mueller wrote:
> I would like to know if it is possible to have both Ethernet and
> wi-fi running concurrently?
> 
> Purpose would be, if the cable service is down, meaning no internet
> access but intranet OK, to continue to have intranet access while
> using wi-fi with a mobile phone as hotspot to aceess the internet.

If you can keep the mobile hotspot disconnected until you need it, 
configure the wired interface with a higher metric than the wireless 
interface and routing will do the rest for you.