Interface up/donw
sudo ip link set <INTERFACE> up
sudo ip link set <INTERFACE> down
Show link details, can be used to show can interface parameters
ip -details link show <INTERFACE>
ip -details link show can0
Show all ip table info
ip rule list
ip route show table <table>
ip route show table all
Remove a default routing table
ip route del default via <GATEWAY IP>
ip route del default via 128.222.1.101
Add IP to interface
ip address add 192.168.1.100 dev eth0
Add route
ip route add 192.168.2.0/24 via 192.168.2.254 dev eth0
ip route add default via 192.168.1.254