inetutils-ifconfig(1)

IFCONFIG(1) User’s Reference Manual IFCONFIG(1)

NAME

ifconfig — configure network interfaces

SYNOPSIS

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

DESCRIPTION

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. GNU Network Utilities February 9, 2019 IFCONFIG(1)