Bud Spencer  wrote:
> On Sat, 17 Aug 2019, Computer Nerd Kev wrote:
>
>> With WiFi sure, with ethernet cables the number of ethernet ports
>> (one) is a pretty obvious limitiation. For that it would be better
>> to buy a real router with USB than mess about with multiple
>> USB-Ethernet adapters on the rPi, in my opinion.
>
> But why would I need multiple ethernet adapters?
>
> If the setup is like this:
>
> Mobile wifi internet hotspot (phone or what ever)
>   |
> connecting to rpi via wifi

I misinterpreted that in the OP, assuming a dedicated mobile
broadband modem connected via USB, which is what I use for my home
internet.

> rpi connected to ethenet switch via cable
>   |
> other devices are connected to this switch

Also assumed a single-device solution rather than wanting to connect
with a switch, that would be better than the USB-Ethernet adapters
certainly. If you could save needing the switch by using a router
board with sufficient ethernet ports, that would still be my
recommendation from the perspective of reliability and power
consumption though (cost too, if you don't already have the switch).

If using a Raspberry Pi model other than the Pi4, note the speed
limitations of the Ethernet because even the onboard port is actually
connected via USB.

> I see only one ethernet from rpi or I'm I missing something here?
>
> There might be other devices that can connect directly to the wifi but
> that's nothing to do with rpi though, since it's job is only direct
> trafic from lan to the wifi hotspot, right?

Sure.

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