def METHOD_NAME(self, dvs):
    dpb = DPB()
    port_names = []
    for i in range(maxRootPorts):
        pname = "Ethernet" + str(i*maxBreakOut)
        port_names.append(pname)
    for pname in port_names:
        dpb.breakout(dvs, pname, maxBreakOut)
    child_port_names = []
    for i in range(maxPorts):
        cpname = "Ethernet" + str(i)
        child_port_names.append(cpname)
    for i in range(32):
        start = i*maxBreakOut
        end = start+maxBreakOut
        dpb.breakin(dvs, child_port_names[start:end])