Install IWD
pacman -S iwd
Enable services
A comprehensive list of installation methods can be found here https://www.wireguard.com/install/
WAN = eth0
LAN = eth1 (192.168.1.1)
Ensure devices are active with ip a
. Directly after the name of each interface there is a section which will look something along the lines of <BROADCAST,MULTICAST,UP>. If UP is not included within this, enter the following. Replace <dev name> with the respective interface.