ip route

IP Routing table management subcommand. More information: https://manned.org/ip-route.

ip route show|list

sudo ip route add default via gateway_ip

sudo ip route add default dev eth0

sudo ip route add destination_ip via gateway_ip dev eth0

sudo ip route del destination_ip dev eth0

sudo ip route change|replace destination_ip via gateway_ip dev eth0

ip route get destination_ip