diff --git a/target/linux/ipq806x/base-files/etc/diag.sh b/target/linux/ipq806x/base-files/etc/diag.sh
new file mode 100755
index 0000000000..b19012c4e5
--- /dev/null
+++ b/target/linux/ipq806x/base-files/etc/diag.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+. /lib/functions/leds.sh
+. /lib/ipq806x.sh
+
+get_status_led() {
+	case $(ipq806x_board_name) in
+	c2600)
+		status_led="status:blue"
+		;;
+	esac
+}
+
+set_state() {
+	get_status_led
+
+	case "$1" in
+	preinit)
+		status_led_blink_preinit
+		;;
+	failsafe)
+		status_led_blink_failsafe
+		;;
+	preinit_regular)
+		status_led_blink_preinit_regular
+		;;
+	done)
+		status_led_on
+		;;
+	esac
+}