diff --git a/target/linux/ar7/base-files/etc/uci-defaults/network b/target/linux/ar7/base-files/etc/uci-defaults/network
new file mode 100644
index 0000000000..2d35c56b14
--- /dev/null
+++ b/target/linux/ar7/base-files/etc/uci-defaults/network
@@ -0,0 +1,30 @@
+#!/bin/sh
+if [ -e "/sys/bus/mdio_bus/drivers/IC+ IP175A/1:00" -o \
+     -e "/sys/bus/mdio_bus/drivers/IC+ IP17xx/1:00" ] && \
+   [ -x /sbin/swconfig ];
+then
+	uci batch <<EOF
+set network.eth0=switch
+set network.eth0.name=eth0
+set network.eth0.reset=1
+set network.eth0.enable_vlan=1
+set network.eth0_1=switch_vlan
+set network.eth0_1.device=eth0
+set network.eth0_1.vlan=1
+set network.eth0_1.ports="0 1 2 3 4t"
+commit network
+EOF
+	HAS_SWITCH=1
+fi
+
+if [ -n "$HAS_SWITCH" -o \
+	-e "/sys/bus/mdio_bus/drivers/Infineon ADM6996/1:00" -o \
+	-e "/sys/bus/mdio_bus/drivers/Marvell 88E6060/1:10" ]; then
+	uci batch <<EOF
+set network.lan.ifname=eth0.1
+commit network
+EOF
+	HAS_SWITCH=1
+fi
+
+uci commit network