Network IPs and FTP

[kukalikuk]

Hi @rom1v , first of all, thanks for your great work 👍 my issues, I run FTP server on my PC, while my tablet connected via gnirehtet-rust on that PC I'm able to access the FTP with my tablet using local IP of the server, which is great. But I'm unable to do the reverse, FTP server on my tablet can't be accessed by the same PC, that means android can connect to local IP but my PC can't connect to android's IP (10.0.0.2 in my case) How does the IP networking works in gnirehtet? FYI, gnirehtet VPN was the only connection while this happen, no other wifi/mobile connection in the tablet. Thanks

[rom1v]

FTP server on my tablet can't be accessed by the same PC, that means android can connect to local IP but my PC can't connect to android's IP (10.0.0.2 in my case)

Corrext. The tablet and pc are not on the same network, so the PC can't reach the tablet.

Only the tablet connections are forwarded to the PC.

How does the IP networking works in gnirehtet?

https://blog.rom1v.com/2017/03/introducing-gnirehtet/

[Serphentas]

My guess is that outgoing packets get properly NAT'd but when you try to go the other way around it's not going to work because the remote host has no idea how to reach your (new) subnet. Indeed, it will try via the default router instead of your computer, which will not work. You either have to specify the route inside the remote host's table or make your router send such packets to your computer, which will have to route them as well.

[JetErorr]

You either have to specify the route inside the remote host's table or make your router send such packets to your computer, which will have to route them as well.

Hey there, any suggestions on how to achieve the latter of these? I'm just starting out with networking stuff, even names / keywords would help.

For context: I'm trying to create a wired local network between SteamVR (running on Windows 10) <-> Quest 2 (an Android HMD), with a USB 3.0 cable. Quest 2 can only connect to SteamVR if they are both on a local network (possible via WiFi currently), but I would like to further cut down latency if possible. Gnirehtet has been the only reverse-tether app that has worked on the Quest 2 so far (can access internet through the USB cable, with WiFi turned off), so I'm trying to figure out a way to add this reverse-reverse-tether on top of it somehow. I have access to other PCs, the current router, and a spare router.

Thanks!