diff --git a/target/linux/mediatek/mt7622/base-files/etc/board.d/02_network b/target/linux/mediatek/mt7622/base-files/etc/board.d/02_network
index 3a409c8..4b19c0d 100755
--- a/target/linux/mediatek/mt7622/base-files/etc/board.d/02_network
+++ b/target/linux/mediatek/mt7622/base-files/etc/board.d/02_network
@@ -29,9 +29,25 @@ mediatek_setup_interfaces()
 mediatek_setup_macs()
 {
 	local board="$1"
+	local part_name="Factory"
+	local lan_mac=""
+	local wan_mac=""
+	local lan_mac_offset=""
+	local wan_mac_offset=""
 
 	case $board in
+	*)
+		#512k - 12 byte
+		lan_mac_offset="0x7FFF4"
+		wan_mac_offset="0x7FFFA"
+		;;
 	esac
+
+	lan_mac=$(mtd_get_mac_binary $part_name $lan_mac_offset)
+	wan_mac=$(mtd_get_mac_binary $part_name $wan_mac_offset)
+
+	[ -n "$lan_mac" ] && ucidef_set_interface_macaddr "lan" "$lan_mac"
+	[ -n "$wan_mac" ] && ucidef_set_interface_macaddr "wan" "$wan_mac"
 }
 
 board_config_update