ip

modern Linux networking command for showing and manipulating routing

TLDR

List interfaces with detailed info

$ ip address

List interfaces with brief network layer info

$ ip -br address

List interfaces with brief link layer info

$ ip -br link

Display the routing table

$ ip route

Show neighbors (ARP table)

$ ip neighbour

Make an interface up/down

$ sudo ip link set [ethX] up

$ sudo ip link set [ethX] down

Add/Delete an IP address to an interface

$ sudo ip address add [ip_address]/[mask] dev [ethX]

$ sudo ip address delete [ip_address]/[mask] dev [ethX]

Add a default route

$ sudo ip route add default via [ip_address] dev [ethX]

SYNOPSIS

ip [-br] [-c] [-4|-6] object [command]

DESCRIPTION

ip is the modern Linux networking command for showing and manipulating routing, devices, policy routing, and tunnels. It replaces the older ifconfig, route, and arp commands.

PARAMETERS

address, a

Display and manage IP addresses

link, l

Display and manage network interfaces

route, r

Display and manage routing table

neighbour, n

Display and manage ARP/neighbor cache

tunnel

Display and manage IP tunnels

maddr

Display and manage multicast addresses

rule

Display and manage routing policy database

-br, -brief

Print output in brief format

-c, -color

Use color output

-4

IPv4 only

-6

IPv6 only

-s, -stats

Output more statistics

-o, -oneline

Output each record on a single line

INSTALL

sudo apt install iproute2

sudo pacman -S iproute2

sudo apk add iproute2-minimal

sudo zypper install iproute2

brew install iproute2

nix profile install nixpkgs#iproute2

CAVEATS

Changes made with ip are not persistent across reboots. Use network configuration files or NetworkManager for persistent changes.

HISTORY

Part of the iproute2 package, introduced in Linux 2.2 as a replacement for the older net-tools package (ifconfig, route, arp).