ip

Show/manipulate routing, devices, policy routing and tunnels. Some subcommands such as ip address have their own usage documentation. More information: https://www.man7.org/linux/man-pages/man8/ip.8.html.

ip address

ip -brief address

ip -brief link

ip route

ip neighbour

ip link set interface up|down

ip addr add/del ip/mask dev interface

ip route add default via ip dev interface