Mellanox DCB:

{{{
   dcb priority-flow-control enable force
   dcb priority-flow-control priority 3 enable
   interface ethernet 1/1 dcb priority-flow-control mode on force
   interface ethernet 1/2 dcb priority-flow-control mode on force
   interface ethernet 1/3 dcb priority-flow-control mode on force
   interface ethernet 1/4 dcb priority-flow-control mode on force
   interface ethernet 1/5 dcb priority-flow-control mode on force
   interface ethernet 1/6 dcb priority-flow-control mode on force
   interface ethernet 1/7 dcb priority-flow-control mode on force
   interface ethernet 1/8 dcb priority-flow-control mode on force
   interface ethernet 1/9 dcb priority-flow-control mode on force
   interface ethernet 1/10 dcb priority-flow-control mode on force
   interface ethernet 1/11 dcb priority-flow-control mode on force
   interface ethernet 1/12 dcb priority-flow-control mode on force
   interface ethernet 1/13 dcb priority-flow-control mode on force
   interface ethernet 1/14 dcb priority-flow-control mode on force
   interface ethernet 1/15 dcb priority-flow-control mode on force
   interface ethernet 1/16 dcb priority-flow-control mode on force
   interface ethernet 1/17 dcb priority-flow-control mode on force
   interface ethernet 1/18 dcb priority-flow-control mode on force
   interface ethernet 1/36 dcb priority-flow-control mode on force
   interface ethernet 1/53 dcb priority-flow-control mode on force
   interface ethernet 1/54 dcb priority-flow-control mode on force
   interface ethernet 1/55 dcb priority-flow-control mode on force
   interface ethernet 1/56 dcb priority-flow-control mode on force
   interface ethernet 1/57 dcb priority-flow-control mode on force
   interface ethernet 1/58 dcb priority-flow-control mode on force
   interface ethernet 1/59 dcb priority-flow-control mode on force
   interface ethernet 1/60 dcb priority-flow-control mode on force
   interface ethernet 1/61 dcb priority-flow-control mode on force
   interface ethernet 1/62 dcb priority-flow-control mode on force
   interface ethernet 1/63 dcb priority-flow-control mode on force
   interface ethernet 1/64 dcb priority-flow-control mode on force
   dcb application-priority ethertype 0x8906 3
}}}