diff --git a/target/linux/realtek/base-files/etc/hotplug.d/net/21-rtd129x-packet-steering b/target/linux/realtek/base-files/etc/hotplug.d/net/21-rtd129x-packet-steering
new file mode 100644
index 0000000000..3be50a646f
--- /dev/null
+++ b/target/linux/realtek/base-files/etc/hotplug.d/net/21-rtd129x-packet-steering
@@ -0,0 +1,30 @@
+#!/bin/sh
+[ "$ACTION" = add ] || [ "$ACTION" = remove -a "$DEVTYPE" = ppp ] || exit
+
+NPROCS="$(grep -c "^processor.*:" /proc/cpuinfo)"
+[ "$NPROCS" -eq 4 ] || exit
+
+grep -Fq rtd-1296 /proc/device-tree/compatible || exit
+
+cd /sys/class/net || exit
+
+[ -e eth0 -a -e eth1 ] || exit
+
+exec 512>/var/lock/smp_tune.lock
+flock 512 || exit 1
+
+PROTO=`uci get network.wan.proto`
+logger -t 'rtd129x-packet-steering' "current proto $PROTO"
+if echo " none static dhcp dhcpv6 " | grep -Fq " $PROTO "; then
+	[ "`cat eth0/queues/rx-0/rps_cpus`" = "0" ] && exit
+	echo 0 > eth1/queues/rx-0/rps_cpus
+	echo 0 > eth1/queues/tx-0/xps_cpus
+	echo 0 > eth0/queues/rx-0/rps_cpus
+	echo 0 > eth0/queues/tx-0/xps_cpus
+else
+	[ "`cat eth0/queues/rx-0/rps_cpus`" = "a" ] && exit
+	echo a > eth1/queues/rx-0/rps_cpus
+	echo 5 > eth1/queues/tx-0/xps_cpus
+	echo a > eth0/queues/rx-0/rps_cpus
+	echo 5 > eth0/queues/tx-0/xps_cpus
+fi