inetutils-ifconfig1

Configure network interfaces

Usage

ifconfig [option ...] name [addr] [broadcast brdaddr] [{pointopoint | dstaddr} dstaddr] [netmask mask] [{ether | hwaddr | lladdr} macaddr] [metric n] [mtu n] [txqueuelen n] [{up | down}] [flags]

Overview

Configure network interfaces.

Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

Known flags are: allmulti, arp, automedia, broadcast, debug, dynamic, master, multicast, pointopoint, portsel, promisc, slave, trailers, up. Prepending no to any of these flags will negate their effect.

Options

-a, --all: Display all available interfaces.
-A, --address addr: Set the interface address to addr.
-B, --broadcast addr
-b, --brdaddr addr: Set the broadcast address to addr.
-d, --dstaddr addr
-p, --peer addr: Set the destination (peer) address to addr.
--up: Activate the interface (default if address is given).
--down: Shut the interface down.
-F, --flags flag,[flag ...]: Set the interface flags.
-i, --interface name: Configure the network interface name.
-l, --list: List the available or selected interfaces.
-m, --netmask mask: Set the netmask to mask.
--metric n: Set the interface metric to n.
-M, --mtu n: Set the interface MTU to n.
--format format: Select the output format; set to help for information.
-s, --short: Short output format.
-v, --verbose: Output information when configuring the interface.
?, --help: Give this help list.
--usage: Give a short usage message.
-V, --version: Print program version.

Linux-specific options:

-T, --txqlen n: Set the transmit queue length to n.

History

Debian 13 (Trixie): the text shown here
Debian 12 (Bookworm) to Debian 11 (Bullseye)
Debian 10 (Buster)
Debian 9 (Stretch) to Debian 8 (Jessie)
Debian 7 (Wheezy)

--list since Debian 8 (Jessie); -l since Debian 8 (Jessie).

--flags until Debian 10 (Buster); --help until Debian 10 (Buster); -? until Debian 10 (Buster); -F until Debian 10 (Buster).