Sharing LTE connection over Ethernet?

Raspberry Pi Network HATs 3G/4G&LTE Base HAT
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Would the Sixfab Raspberry Pi 4G/LTE Cellular Modem Kit make for a potentially good LTE failover or mobile hotspot over Ethernet solution? (Failover WAN on a UniFi Dream Machine)

The Sixfab PAYG rates are pretty reasonable for low data usage, and I think the PAYG model makes more sense for a failover application versus paying for data per month as the outages will only happen for a couple hours at a time every couple of months. The next cheapest alternative I can think of would be something like a tello monthly plan with an LTE modem.

Would you guys recommend sticking with Ubuntu Server 20.04 or trying something like OpenWRT for that kind of application?

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@Yangorang
Are you still looking to get an RPi / BaseHAT setup as a WAN failover solution? (LTE → eth0)
I have done exactly that very simply and it seems to be working!

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Can you share how you set it up? Or share a tutorial? I’ve been trying with pi4 and EC25 and can’t get it to work.

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Hi,

You can do this with NetworkManager. The following guides will help you:

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