# ip
**ip** is a utility for managing network configuration.


`ip link show <device>` shows the link status for a device.

# ip link
Manage network devices.

`ip link {show | add | del | set} dev IFNAME ...` manipulate devices, tab-completion is handy

`ip link set dev eth0 {up | down}` bring an interface up down


# ip addr
Work with IP addreses.

`ip addr {add | del} IFADDR dev IFNAME` manipulate addreses 

`ip `


# ip route
Manipulate the host routing table.

`ip route` gives routing info.
`ip route {add | del} ROUTE` to manipulate routes.