Riverbed Exam 830-01 Topic 1 Question 11 Discussion

You deploy a pair of SteelHead appliances in-path. At the server-side, there is a firewall inspecting traffic between the SteelHeads. The firewall must see the original client and server IPs and is configured to drop packets where the same host pairs and port pairs are reused within 30 seconds of termination. Which addressing mode would workaround this issue?