ip route add

Add a new networking route. More information: https://manned.org/ip-route.

• Add a default route using gateway forwarding:

sudo ip {{[r|route]}} {{[a|add]}} default via {{gateway_ip}}

• Add a default route using ethX:

sudo ip {{[r|route]}} {{[a|add]}} default dev {{ethX}}

• Add a static route:

sudo ip {{[r|route]}} {{[a|add]}} {{destination_ip}} via {{gateway_ip}} dev {{ethX}}

• Add a route to a specific routing table:

sudo ip {{[r|route]}} {{[a|add]}} {{destination_ip}} dev {{ethX}} {{[t|table]}} {{ip}}