WAN emulator capable of simulating links up to 1 Gbps designed for application development and customer demonstrations of networking products. Emulates WAN conditions of bandwidth, latency, and loss separately in each direction up to 1 Gbps. Offers fanless design and solid-state storage with silent operation. Intuitive, browser-based interface makes installation and configuration simple. A real-time traffic monitor displays throughput graphs and statistics, revealing the effects of WAN conditions on application performance. Together, the GUI allows users to grasp the test conditions and quickly view the results.