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)