diff --git a/set-ixgbe-vfmacs-enp4s0.sh b/set-ixgbe-vfmacs-enp4s0.sh
new file mode 100755
index 0000000..7fe210e
--- /dev/null
+++ b/set-ixgbe-vfmacs-enp4s0.sh
@@ -0,0 +1,9 @@
+#!/bin/sh -e
+#ip link set dev enp4s0f0 vf 0 mac b4:96:91:ed:63:40 trust on promisc on allmulticast on
+#ip link set dev enp4s0f0 vf 1 mac b4:96:91:ed:63:41 trust on promisc on allmulticast on
+#ip link set dev enp4s0f0 vf 2 mac b4:96:91:ed:63:42 trust on promisc on allmulticast on
+#ip link set dev enp4s0f0 vf 3 mac b4:96:91:ed:63:43 trust on promisc on allmulticast on
+#ip link set dev enp4s0f1 vf 0 mac b4:96:91:ed:63:50 trust on promisc on allmulticast on
+#ip link set dev enp4s0f1 vf 1 mac b4:96:91:ed:63:51 trust on promisc on allmulticast on
+#ip link set dev enp4s0f1 vf 2 mac b4:96:91:ed:63:52 trust on promisc on allmulticast on
+#ip link set dev enp4s0f1 vf 3 mac b4:96:91:ed:63:53 trust on promisc on allmulticast on
diff --git a/systemd-system/nic-performance-tweaks.service b/systemd-system/nic-performance-tweaks.service
new file mode 100644
index 0000000..57cc5d0
--- /dev/null
+++ b/systemd-system/nic-performance-tweaks.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=NIC performance tuning for enp4s0f0np0, enp4s1f12np12 and vmbr0
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/sbin/ethtool -G enp4s1f12np12 rx 4096 tx 4096
+ExecStart=/sbin/ip link set enp4s1f12np12 txqueuelen 10000
+ExecStart=/usr/sbin/ethtool -G enp4s0f0np0 rx 4096 tx 4096
+ExecStart=/sbin/ip link set enp4s0f0np0 txqueuelen 10000
+ExecStart=/sbin/ip link set vmbr0 txqueuelen 10000
+RemainAfterExit=true
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd-system/sriov-enp4s0.service b/systemd-system/sriov-enp4s0.service
new file mode 100644
index 0000000..00fc244
--- /dev/null
+++ b/systemd-system/sriov-enp4s0.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Script to enable SR-IOV on boot for enp4s0
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/bash -c '/usr/bin/echo 0 > /sys/class/net/enp4s0f0np0/device/sriov_numvfs'
+ExecStart=/usr/bin/bash -c '/usr/bin/echo 4 > /sys/class/net/enp4s0f1np1/device/sriov_numvfs'
+ExecStart=/opt/ergosteur/set-ixgbe-vfmacs-enp4s0.sh 
+[Install]
+WantedBy=multi-user.target
diff --git a/unused/set-ixgbe-vfmacs-enp130s0.sh b/unused/set-ixgbe-vfmacs-enp130s0.sh
new file mode 100755
index 0000000..9ff7966
--- /dev/null
+++ b/unused/set-ixgbe-vfmacs-enp130s0.sh
@@ -0,0 +1,9 @@
+#!/bin/sh -e
+ip link set dev enp130s0f0 vf 0 mac a0:36:9f:5d:3f:40 trust on promisc on allmulticast on
+ip link set dev enp130s0f0 vf 1 mac a0:36:9f:5d:3f:41 trust on promisc on allmulticast on
+ip link set dev enp130s0f0 vf 2 mac a0:36:9f:5d:3f:42 trust on promisc on allmulticast on
+ip link set dev enp130s0f0 vf 3 mac a0:36:9f:5d:3f:43 trust on promisc on allmulticast on
+ip link set dev enp130s0f1 vf 0 mac a0:36:9f:5d:3f:50 trust on promisc on allmulticast on
+ip link set dev enp130s0f1 vf 1 mac a0:36:9f:5d:3f:51 trust on promisc on allmulticast on
+ip link set dev enp130s0f1 vf 2 mac a0:36:9f:5d:3f:52 trust on promisc on allmulticast on
+ip link set dev enp130s0f1 vf 3 mac a0:36:9f:5d:3f:53 trust on promisc on allmulticast on
diff --git a/unused/sriov-enp130s0.service b/unused/sriov-enp130s0.service
new file mode 100644
index 0000000..b9d8e65
--- /dev/null
+++ b/unused/sriov-enp130s0.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Script to enable SR-IOV on boot for enp130s0
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/bash -c '/usr/bin/echo 4 > /sys/class/net/enp130s0f0/device/sriov_numvfs'
+ExecStart=/usr/bin/bash -c '/usr/bin/echo 4 > /sys/class/net/enp130s0f1/device/sriov_numvfs'
+ExecStart=/opt/ergosteur/set-ixgbe-vfmacs-enp130s0.sh 
+[Install]
+WantedBy=multi-user.target