.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.40.4. .TH IFCONFIG "1" "December 2011" "GNU inetutils 1.9" "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. .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 (or set back to default) .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\-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 .IP Linux\-specific options .TP \fB\-T\fR, \fB\-\-txqlen\fR=\fIN\fR set transmit queue length to N .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 . .SH COPYRIGHT Copyright \(co 2011 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . .br This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. .SH "SEE ALSO" The full documentation for .B ifconfig is maintained as a Texinfo manual. If the .B info and .B ifconfig programs are properly installed at your site, the command .IP .B info ifconfig .PP should give you access to the complete manual.