matinrco/usbLTEtoEthernet.md

Last active April 11, 2020 12:26

Star (0) You must be signed in to star a gist
Fork (0) You must be signed in to fork a gist

Select an option

Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/matinrco/b438b0e3880925baf8cadfd9d1e6b31e.js"></script>
Save matinrco/b438b0e3880925baf8cadfd9d1e6b31e to your computer and use it in GitHub Desktop.

Download ZIP

Raspberry pi - Huawei HiLink (E8372 LTE usb dongle) to ethernet adapter - tested on raspbian buster

Raw

usbLTEtoEthernet.md

Set static ip address to raspberry pi eth0 (ethernet) in /etc/network/interfaces.d/eth0 :
```
auto eth0
iface eth0 inet static
    address 192.168.1.20/24
```
Uncomment IP forwarding from /etc/sysctl.conf :

net.ipv4.ip_forward=1

save & reboot.

Enable nat with iptables:

sudo iptables -t nat -A POSTROUTING -j MASQUERADE

Now connect raspberry pi ethernet cable to your computer or switch device then assign ip like this :
```
ip : 192.168.1.21/24
gw : 192.168.1.20
dns: 1.1.1.1,1.0.0.1
```
You can also automate ip address assignment by setting up an dhcp server!
Save iptables config & make it persistent by installing iptables-persistent package.
```
sudo apt install iptables-persistent
```
during installation process it will ask you by prompting a dialog to save previous iptables config. Answer yes. if you forgot you can run this process again by running :
```
sudo dpkg-reconfigure iptables-persistent
```
iptables-persistent package will save iptables configs in /etc/iptables/rules.v4 & /etc/iptables/rules.v6 and it will automatic loading of the saved iptables rules on boot time.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment