Show ip address ip -br a Get all interface names ip -o l show | awk -F': ' '{print $2}' Start interface (up/down) ip l set <interface> up Add interface with specific IP address ip a add <XXX.XXX.XXX.XXX/XX> dev <interface> Remove ip address interface ip a del <XXX.XXX.XXX.XXX/XX> dev <interface> Add a route ip route add <XXX.XXX.XXX.XXX/XX> dev <interface> Add a route for specific gateway ip route add <XXX.XXX.XXX.XXX/XX> dev <interface> via <gatewayIp> Delete all routes ip route del 0/0 Delete specific default route ip route del default via <ip> Get gateways ip route | awk '/default/ { print $3 }' Show arp cache for interface ip neigh show dev <interface> Set mtu valu ip link set dev <interface> mtu <value>