diff --git a/net/mwan3/files/etc/hotplug.d/iface/15-mwan3 b/net/mwan3/files/etc/hotplug.d/iface/15-mwan3
index 7638dadbc..32bfa82a3 100644
--- a/net/mwan3/files/etc/hotplug.d/iface/15-mwan3
+++ b/net/mwan3/files/etc/hotplug.d/iface/15-mwan3
@@ -64,6 +64,7 @@ case "$ACTION" in
 		mwan3_delete_iface_iptables $INTERFACE
 		mwan3_delete_iface_route $INTERFACE
 		mwan3_delete_iface_ipset_entries $INTERFACE
+		mwan3_track_signal $INTERFACE $DEVICE
 		mwan3_set_policies_iptables
 		mwan3_set_user_rules
 		mwan3_flush_conntrack $INTERFACE $DEVICE "ifdown"
diff --git a/net/mwan3/files/lib/mwan3/mwan3.sh b/net/mwan3/files/lib/mwan3/mwan3.sh
index ed51b2223..f0ebcc42e 100644
--- a/net/mwan3/files/lib/mwan3/mwan3.sh
+++ b/net/mwan3/files/lib/mwan3/mwan3.sh
@@ -399,6 +399,23 @@ mwan3_track()
 	fi
 }
 
+mwan3_track_signal()
+{
+	local pid status
+
+	if [ -f "/var/run/mwan3track-${1}.pid" ]; then
+		pid="$(cat "/var/run/mwan3track-${1}.pid")"
+		status="$(pgrep -f mwan3track | grep "${pid}")"
+		if [ "${status}" != "" ]; then
+			kill -USR1 "${pid}"
+		else
+			$LOG warn "Unable to send signal USR1 to mwan3track on interface $1 with pid ${pid}"
+		fi
+	else
+		$LOG warn "Unable to find \"/var/run/mwan3track-${1}.pid\" file for mwan3track on interface $1"
+	fi
+}
+
 mwan3_set_policy()
 {
 	local iface_count id iface family metric probability weight
diff --git a/net/mwan3/files/usr/sbin/mwan3track b/net/mwan3/files/usr/sbin/mwan3track
index 4cf0409bc..a5c3a4272 100755
--- a/net/mwan3/files/usr/sbin/mwan3track
+++ b/net/mwan3/files/usr/sbin/mwan3track
@@ -4,6 +4,9 @@
 
 LOG="/usr/bin/logger -t $(basename "$0")[$$] -p"
 INTERFACE=""
+DEVICE=""
+
+IFDOWN_EVENT=0
 
 clean_up() {
 	$LOG notice "Stopping mwan3track for interface \"${INTERFACE}\""
@@ -15,6 +18,11 @@ clean_up() {
 	exit 0
 }
 
+if_down() {
+	$LOG info "Detect ifdown event on interface ${INTERFACE} (${DEVICE})"
+	IFDOWN_EVENT=1
+}
+
 main() {
 	local reliability count timeout interval failure_interval
 	local recovery_interval down up size
@@ -22,9 +30,11 @@ main() {
 	[ -z "$3" ] && echo "Error: should not be started manually" && exit 0
 
 	INTERFACE=$1
+	DEVICE=$2
 	echo "$$" > /var/run/mwan3track-$1.pid
 	mkdir -p /var/run/mwan3track/$1
 	trap clean_up SIGINT SIGTERM
+	trap if_down SIGUSR1
 
 	config_load mwan3
 	config_get reliability $1 reliability 1
@@ -106,6 +116,12 @@ main() {
 
 		host_up_count=0
 		sleep $sleep_time
+
+		if [ "${IFDOWN_EVENT}" -eq 1 ]; then
+			score=0
+			echo "offline" > /var/run/mwan3track/$1/STATUS
+			IFDOWN_EVENT=0
+		fi
 	done
 }