WANDEVICE=$(uci get network.wan.device 2>/dev/null)
DHCPC_EVENT="$1"
DHCPC_IF="${interface}"

if [ "$DHCPC_IF" = "$WANDEVICE" ] && { [ "$DHCPC_EVENT" = "bound" ] || [ "$DHCPC_EVENT" = "renew" ]; }; then
	/usr/bin/isptdns
fi
