+if [ -n "$HAS_SWITCH" -o \
+ -e "/sys/bus/mdio_bus/drivers/Infineon ADM6996/0:00" -o \
+ -e "/sys/bus/mdio_bus/drivers/Marvell 88E6060/0:10" ]; then
+ uci batch <<EOF
+set network.lan.ifname=eth0.1
+set network.wan=interface
+set network.wan.ifname=eth0.2
+set network.wan.proto=dhcp
+commit network
+EOF
+ HAS_SWITCH=1
+fi
+
+[ -z "$HAS_SWITCH" -a -d /sys/class/net/eth1 ] && {
+ uci batch <<EOF
+set network.wan=interface
+set network.wan.ifname=eth1
+set network.wan.proto=dhcp
+commit network
+EOF
+}
+