MT7688平台生成随机MAC地址源码

random_mac(){
local i; for i in wireless.@wifi-iface[0] network.lan; do
local mac; while [ "${#mac}" != "17" ]; do
mac=00$(hexdump -n5 -e '/1 ":%02x"' /dev/urandom)
done
echo ${mac}
uci set ${i}.macaddr=${mac}
uci commit ${i%%.*}
unset mac
done
}; random_mac

在package/base-files/files/etc/rc.local   文件内