[Unit] Description=Sets SKB kernel priorities to user priority 3 for Mellanox ConnectX DCB PFC Before=fcoe.service iscsi.service After=sys-subsystem-net-devices-mlnx0p2.device [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/bin/bash -c "echo 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 > /sys/class/net/mlnx0p2/qos/skprio2up" [Install] WantedBy=multi-user.target