ip-address

manages IP addresses on network interfaces

TLDR

List all addresses

$ ip address show

Show only active interfaces

$ ip address show up

Show addresses for a specific interface

$ ip address show dev [eth0]

Show only IPv4 addresses

$ ip -4 address show

Add an IP address to an interface

$ sudo ip address add [192.168.1.100/24] dev [eth0]

Delete an IP address from an interface

$ sudo ip address delete [192.168.1.100/24] dev [eth0]

Flush all addresses on an interface

$ sudo ip address flush dev [eth0]

SYNOPSIS

ip [OPTIONS] address {command|help}

DESCRIPTION

ip address manages IP addresses on network interfaces. It can display, add, delete, and flush addresses for both IPv4 and IPv6 protocols.

PARAMETERS

show [dev device]

Display IP addresses (default action).

add address/prefix dev device

Add an IP address to an interface.

change address/prefix dev device

Change properties of an existing address.

replace address/prefix dev device

Add or update an address on an interface.

delete address/prefix dev device

Remove an IP address from an interface.

flush [dev device]

Remove all addresses matching criteria.

save

Save address configuration to stdout.

restore

Restore address configuration from stdin.

dev device

Interface name to operate on.

scope global|link|host

Filter or set address scope.

label label

Set address label (must start with device name).

broadcast address

Set broadcast address.

metric number

Set priority of the prefix route for the address.

valid_lft lft

Valid lifetime of the address (default: forever).

preferred_lft lft

Preferred lifetime of the address (default: forever).

Filter to show only active (UP) interfaces.

permanent

Filter to show only permanent (static) addresses.

dynamic

Filter to show only dynamically assigned addresses.

to prefix

Filter addresses matching a prefix.

CAVEATS

Addresses added are not persistent across reboots. Use network configuration files or NetworkManager for persistence. An interface can have multiple IP addresses.

HISTORY

ip address is part of iproute2, replacing the deprecated ifconfig command.