diff --git a/debian/rules b/debian/rules
index e353627..49186e4 100755
--- a/debian/rules
+++ b/debian/rules
@@ -40,6 +40,7 @@ override_dh_auto_install:
 	install -m 0755 ofed_scripts/setup_mr_cache.sh  debian/$(pname)/usr/sbin
 	install -m 0755 ofed_scripts/odp_stat.sh        debian/$(pname)/usr/sbin
 	install -m 0755 ofed_scripts/show_counters      debian/$(pname)/usr/sbin
+	install -m 0755 ofed_scripts/mlnx*hlk           debian/$(pname)/usr/sbin
 	install -m 0755 ofed_scripts/roce_config.sh     debian/$(pname)/usr/bin/roce_config
 	install -m 0644 kernel-boot/mlnx-bf.conf   debian/$(pname)/etc/modprobe.d
 
diff --git a/mlnx-tools.spec b/mlnx-tools.spec
index 2b996fa..e92a978 100644
--- a/mlnx-tools.spec
+++ b/mlnx-tools.spec
@@ -84,6 +84,7 @@ install -m 0755 ofed_scripts/setup_mr_cache.sh      %{buildroot}%{_sbindir}
 install -m 0755 ofed_scripts/odp_stat.sh            %{buildroot}%{_sbindir}
 install -m 0755 ofed_scripts/show_counters          %{buildroot}%{_sbindir}
 install -m 0755 ofed_scripts/show_gids              %{buildroot}%{_sbindir}
+install -m 0755 ofed_scripts/mlnx*hlk               %{buildroot}%{_sbindir}
 install -m 0755 ofed_scripts/ibdev2netdev           %{buildroot}%{_bindir}
 install -m 0755 ofed_scripts/roce_config.sh         %{buildroot}%{_bindir}/roce_config
 install -m 0755 kernel-boot/vf-net-link-name.sh     %{buildroot}/lib/udev/
diff --git a/ofed_scripts/mlnx-post-hlk b/ofed_scripts/mlnx-post-hlk
new file mode 100755
index 0000000..60e679b
--- /dev/null
+++ b/ofed_scripts/mlnx-post-hlk
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+export PATH=/opt/mellanox/iproute2/sbin:$PATH
+
+tc qdisc del dev p0 handle ffff: ingress
+tc qdisc del dev pf0hpf handle ffff: ingress
+tc qdisc del dev p1 handle ffff: ingress
+tc qdisc del dev pf1hpf handle ffff: ingress
+ifconfig p0 mtu 1500
+ifconfig pf0hpf mtu 1500
+ifconfig p1 mtu 1500
+ifconfig pf1hpf mtu 1500
+
+if [ -e /etc/debian_version ]; then
+	/etc/init.d/openvswitch-switch start
+else
+	/usr/bin/systemctl start openvswitch.service
+fi
diff --git a/ofed_scripts/mlnx-pre-hlk b/ofed_scripts/mlnx-pre-hlk
new file mode 100755
index 0000000..145ac23
--- /dev/null
+++ b/ofed_scripts/mlnx-pre-hlk
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+export PATH=/opt/mellanox/iproute2/sbin:$PATH
+
+if [ -e /etc/debian_version ]; then
+	/etc/init.d/openvswitch-switch stop
+else
+	/usr/bin/systemctl stop openvswitch.service
+fi
+
+tc qdisc del dev p0 handle ffff: ingress
+tc qdisc del dev pf0hpf handle ffff: ingress
+tc qdisc del dev p1 handle ffff: ingress
+tc qdisc del dev pf1hpf handle ffff: ingress
+
+
+tc qdisc add dev p0 handle ffff: ingress
+tc qdisc add dev pf0hpf handle ffff: ingress
+tc qdisc add dev p1 handle ffff: ingress
+tc qdisc add dev pf1hpf handle ffff: ingress
+
+tc filter add dev p0 ingress  protocol all flower skip_sw action mirred egress redirect dev pf0hpf
+tc filter add dev pf0hpf ingress  protocol all flower skip_sw action mirred egress redirect dev p0
+tc filter add dev p1 ingress  protocol all flower skip_sw action mirred egress redirect dev pf1hpf
+tc filter add dev pf1hpf ingress  protocol all flower skip_sw action mirred egress redirect dev p1
+
+ifconfig p0 mtu 9614
+ifconfig pf0hpf mtu 9614
+ifconfig p1 mtu 9614
+ifconfig pf1hpf mtu 9614