diff --git a/target/linux/ramips/base-files/etc/board.d/02_network b/target/linux/ramips/base-files/etc/board.d/02_network
index b884373325..0400e58cda 100755
--- a/target/linux/ramips/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/base-files/etc/board.d/02_network
@@ -58,7 +58,6 @@ ramips_setup_interfaces()
 		ucidef_add_switch_attr "switch0" "enable" "false"
 		ucidef_set_interface_lan "eth0"
 		;;
-	3g-6200nl|\
 	mlw221|\
 	mr-102n)
 		ucidef_set_interface_lan "eth0.2"
diff --git a/target/linux/ramips/dts/3G-6200NL.dts b/target/linux/ramips/dts/3G-6200NL.dts
index 5ae43b81cb..7ef7618f68 100644
--- a/target/linux/ramips/dts/3G-6200NL.dts
+++ b/target/linux/ramips/dts/3G-6200NL.dts
@@ -81,7 +81,7 @@
 };
 
 &esw {
-	mediatek,portmap = <0x2f>;
+	mediatek,portdisable = <0x37>;
 };
 
 &wmac {