This script was created to support the procedure outlined in the article "New VMware Fling to improve Network/CPU performance when using Promiscuous Mode for Nested ESXi" by William Lam. (http://www.virtuallyghetto.com/2014/08/new-vmware-fling-to-improve-networkcpu-performance-when-using-promiscuous-mode-for-nested-esxi.html)