diff --git a/package/base-files/files/lib/functions/system.sh b/package/base-files/files/lib/functions/system.sh
index 7ed62804a0..5ec07bbea7 100755
--- a/package/base-files/files/lib/functions/system.sh
+++ b/package/base-files/files/lib/functions/system.sh
@@ -115,6 +115,18 @@ macaddr_setbit_la() {
 	printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:}
 }
 
+macaddr_unsetbit_mc() {
+	local mac=$1
+
+	printf "%02x:%s" $((0x${mac%%:*} & ~0x01)) ${mac#*:}
+}
+
+macaddr_random() {
+	local randsrc=$(get_mac_binary /dev/urandom 0)
+	
+	echo "$(macaddr_unsetbit_mc "$(macaddr_setbit_la "${randsrc}")")"
+}
+
 macaddr_2bin() {
 	local mac=$1