Pete:
Understood that the Raspberry Pi isn't the best fit for a "Net44 VPN router". It's a general purpose computer, kind-of underpowered (until the RPi 4s) and adding a second Ethernet port via USB isn't ideal.
There are, of course, "Raspberry Pi" systems like this with dual "real" Ethernet ports - https://www.seeedstudio.com/Rapberry-Pi-CM4-Dual-GbE-Carrier-Board-p-4874.ht..., but that kind of negates the "training wheels" aspect of the Raspberry Pi solution. At the point you're considering such a system, there are real routers.
But there's a lot of us (and I count myself among them) for which the "training wheels" aspect of a Net44 router on a RPi would be a decent starting point.
Steve N8GNJ
On Mon, Aug 9, 2021 at 1:59 PM pete M via 44Net 44net@mailman.ampr.org wrote:
My experience with usb to ethernet has never been great. They do make good sidekick device to debug or for temporary things. But over the long run they fail more than we can hope it not.
And the USB stack of the RPI is not that fast. So if the CPUis already busy with decrpting a tunnel packet the flow will drop pretty fast.