--- a/target/linux/ipq40xx/base-files/etc/board.d/02_network
+++ b/target/linux/ipq40xx/base-files/etc/board.d/02_network
@@ -26,7 +26,9 @@
 	pakedge,wr-1|\
 	teltonika,rutx50|\
 	zyxel,nbg6617)
-		ucidef_set_interfaces_lan_wan "lan1 lan2 lan3 lan4" "wan"
+		ucidef_set_interfaces_lan_wan "lan1 lan2 lan3" "wan"
+		ucidef_set_interface "dtdlink" device "lan4.2" protocol "static"
+		ucidef_set_interface "wifi" device "wlan0" protocol "static"
 		;;
 	8dev,jalapeno|\
 	alfa-network,ap120c-ac|\
@@ -54,11 +56,15 @@
 	meraki,mr33|\
 	meraki,mr74|\
 	mikrotik,lhgg-60ad|\
-	mikrotik,sxtsq-5-ac|\
 	netgear,ex6100v2|\
 	netgear,ex6150v2)
 		ucidef_set_interface_lan "lan"
 		;;
+	mikrotik,sxtsq-5-ac)
+		ucidef_set_interfaces_lan_wan "lan" "lan.1"
+		ucidef_set_interface "wifi" device "wlan0" protocol "static"
+		ucidef_set_interface "dtdlink" device "lan.2" protocol "static"
+		;;
 	avm,fritzbox-7530)
 		ucidef_set_interface_lan "lan1 lan2 lan3 lan4"
 		;;
@@ -83,7 +83,9 @@
 	glinet,gl-a1300|\
 	glinet,gl-b1300|\
 	mobipromo,cm520-79f)
-		ucidef_set_interfaces_lan_wan "lan1 lan2" "wan"
+		ucidef_set_interfaces_lan_wan "lan1" "wan"
+		ucidef_set_interface "dtdlink" device "lan2.2" protocol "static"
+		ucidef_set_interface "wifi" device "wlan0" protocol "static"
 		;;
 	mikrotik,wap-ac|\
 	mikrotik,wap-ac-lte|\