# Interface settings
config_get mtu "$config" mtu
config_get macaddr "$config" macaddr
+ macaddr="${macaddr:-$3}"
grep "$iface:" /proc/net/dev > /dev/null && \
$DEBUG ifconfig "$iface" down && \
$DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up