.TH IFCONFIG "1" "December 2013" "GNU inetutils" "User Commands"
.SH NAME
ifconfig \- configure network interfaces
.SH SYNOPSIS
.B ifconfig
[\fIOPTION\fR...]
.SH DESCRIPTION
.IP
NAME [ADDR] [broadcast BRDADDR] [pointopoint|dstaddr DSTADDR]
.IP
[netmask MASK] [metric N] [mtu N] [txqueuelen N] [up|down] [FLAGS]
.PP
Configure network interfaces.
.IP
Linux\-specific options
.TP
\fB\-T\fR, \fB\-\-txqlen\fR=\fIN\fR
set transmit queue length to N
.TP
\fB\-a\fR, \fB\-\-all\fR
display all available interfaces
.TP
\fB\-A\fR, \fB\-\-address\fR=\fIADDR\fR
set interface address to ADDR
.TP
\fB\-B\fR, \fB\-b\fR, \fB\-\-broadcast\fR=\fIADDR\fR, \fB\-\-brdaddr\fR=\fIADDR\fR
set broadcast address to ADDR
.TP
\fB\-d\fR, \fB\-p\fR, \fB\-\-dstaddr\fR=\fIADDR\fR, \fB\-\-peer\fR=\fIADDR\fR
set destination (peer) address to ADDR
.TP
\fB\-\-down\fR
shut the interface down
.TP
\fB\-\-format\fR=\fIFORMAT\fR
select output format; set to `help' for info
.HP
\fB\-F\fR, \fB\-\-flags\fR=\fIFLAG[\fR,FLAG...] set interface flags
.TP
\fB\-i\fR, \fB\-\-interface\fR=\fINAME\fR
configure network interface NAME
.TP
\fB\-l\fR, \fB\-\-list\fR
list available or selected interfaces
.TP
\fB\-m\fR, \fB\-\-netmask\fR=\fIMASK\fR
set netmask to MASK
.TP
\fB\-\-metric\fR=\fIN\fR
set metric of interface to N
.TP
\fB\-M\fR, \fB\-\-mtu\fR=\fIN\fR
set mtu of interface to N
.TP
\fB\-s\fR, \fB\-\-short\fR
short output format
.TP
\fB\-\-up\fR
activate the interface (default if address is
given)
.TP
\fB\-v\fR, \fB\-\-verbose\fR
output information when configuring interface
.TP
\-?, \fB\-\-help\fR
give this help list
.TP
\fB\-\-usage\fR
give a short usage message
.TP
\fB\-V\fR, \fB\-\-version\fR
print program version
.PP
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
.PP
Known flags are: allmulti, automedia, debug, loopback, multicast, portsel,
running, trailers, up
.SH AUTHOR
Written by Marcus Brinkmann.
.SH "REPORTING BUGS"
Report bugs to <bug\-inetutils@gnu.org>.
.SH COPYRIGHT
Copyright \(co 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.