diff --git a/feeds/qca-wifi-7/ipq53xx/base-files/etc/board.d/02_network b/feeds/qca-wifi-7/ipq53xx/base-files/etc/board.d/02_network
index 2d56985c8..8872b1b27 100755
--- a/feeds/qca-wifi-7/ipq53xx/base-files/etc/board.d/02_network
+++ b/feeds/qca-wifi-7/ipq53xx/base-files/etc/board.d/02_network
@@ -14,9 +14,12 @@ ipq53xx_setup_interfaces()
 		;;
 	cig,wf189|\
 	edgecore,eap105|\
-	sercomm,ap72tip|\
+	sercomm,ap72tip)
+		ucidef_set_interfaces_lan_wan "eth1" "eth0"
+		;;
 	sonicfi,rap750w-311a)
 		ucidef_set_interfaces_lan_wan "eth1" "eth0"
+		ucidef_add_switch "switch1" "0u@eth1" "3:lan" "2:lan" "1:lan"
 		;;
 	sonicfi,rap7110c-341x|\
 	sonicfi,rap750e-h|\