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I have IP camera and printer that is accessible via internet. They can be connected via wifi or LAN (both have this rj45 port). I wonder if it's possible to share my 4g android connection through LAN?

I have tried using the following setup

OTG (microusb to usb) - usb to LAN port - LAN cable

But it doesnt seem to work ("USB tethering" option remain disabled)

Any suggestion?

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    USB tethering usually makes the phone simulate an Ethernet adapter via USB to a connected PC, so I don't think it can work via OTG and a connected Ethernet USB adapter.
    – Robert
    Oct 19, 2022 at 5:15
  • OTG (microusb to usb) - usb to LAN port - LAN cable No, this can't possibly work unless for some weird reason your Android supports an USB Ethernet adapter (the wrongly called "usb to LAN port" here) and if it does then "USB tethering" has nothing to do with it. This feature is the phone's internal Ethernet over USB and you tied to add ANOTHER Ethernet device that, assuming the best case scenario (device recognized) it can only be used for the phone to get internet, never to share it.
    – ChanganAuto
    Oct 19, 2022 at 5:47
  • And for what purpose you want to do this? It's unlikely that your mobile ISP allows access to the devices from outside your LAN anyway due to CG-NAT and other mobile-only quirks. If however you only need the devices to access the internet, as opposed to be accessed from, then just enable WiFi tethering and connect them with WiFi.
    – ChanganAuto
    Oct 19, 2022 at 5:53
  • @Robert i used to share my 4g connection smoothly to my laptop when working in rural areas with USB tethering. So i am doing this under assumption if sharing internet to PC is possible, then why wouldnt in another LAN supported peripherals. I always prefer wired over wifi for security and performance reason
    – cyanide
    Oct 19, 2022 at 7:09
  • @ChanganAuto so are you suggesting there is no way to share internet from android to LAN supported devices?
    – cyanide
    Oct 19, 2022 at 7:12

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