diff --git a/iopsys-ramips/base-files/etc/board.d/02_network b/iopsys-ramips/base-files/etc/board.d/02_network
index 060b84002f5bda6a7fb0a695081e31929e57032f..df71df7124e84ad0d57ff940d199821571e8d917 100755
--- a/iopsys-ramips/base-files/etc/board.d/02_network
+++ b/iopsys-ramips/base-files/etc/board.d/02_network
@@ -99,7 +99,7 @@ ramips_setup_interfaces()
 		;;
 	ex400)
 		ucidef_add_switch "switch0" \
-			"1:lan" "0:wan" "6@eth0"
+		    "1:lan" "0:wan" "6t@eth0" "5t@eth0"
 		;;
 	ar670w|\
 	ar725w|\