[1mifconfig[m	configure network interface parameters

	Usage:

	ifconfig -a [ -d ] [ -u ] [ af ]
	ifconfig -l [ -d ] [ -u ]
		[ af [ address [ dest_addr ] ] [ netmask mask ]
		[ broadcast addr ]

		[ alias ] [ delete ] ]
		[ up ] [ down ]
		[ metric n ]
		[ mtu n ]
		[ arp | -arp ]
		[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]
		[ media mtype ]
		[ mediaopt mopts ]
		[ -mediaopt mopts ]
